Tandefio Solar Panel Mounting Kit for 4 Solar Panels or 5 Smaller Solar Panel…
Tandefio Solar Panel Mounting Kit for 4 Solar Panels or 5 Smaller Solar Panels, Panel Kit for Shingle Roof, Adjustable with Clamps, L Shape Brackets, 88 Inch Rails Product Details Style: 4-5 Solar Panels Brand: Tandefio MPN: CLO-Tandefio-1096 UPC: Does not apply EAN: Does not apply Color: [Refer to product images for color] Brand: Tandefio Material: Aluminum Finish Type: Powder Coated Item Depth: 5-10 inches Item Depth: 5-10 inches Manufacturer: Tandefio Brand Name: Tandefio Finish Types: Powder Coated Color: [Refer to product images for color] Material Type: Aluminum Package Contents: this solar panel mounting kit includes 4 Number 2 rails, 4 connectors, 4 adjustable solar end clamps, 8 adjustable solar middle clamps, 8 L shaped brackets, 8 square head bolts and rubber gaskets, 8 bolts and nuts, 4 ground lugs, 8 wire clamps, it can fit 4 solar panels (42 inches wide) or 5 smaller solar panels (26 inches wide Durable Construction with Aluminum Alloy: constructed from robust and weather resistant aluminum alloy, these solar panel accessories offer you the longevity and resistance to inclement weather, ensuring a secure and lifelong mount for your solar system Versatile Adjustability Features: our solar panel brackets feature adjustable solar mid clamps and end clamps, for fixing solar panels 30-45mm thick; This adjustability enhances the kit's versatility, allowing you to DIY it to fit various solar panel setups and making it suitable for a broad range of applications Ease of Operation and Installation: our solar panel mounting brackets are ease of operation and installation; With a straightforward setup process, installing and operating your solar panels becomes a simple and efficient process, saving you time and effort Broad Applications: these solar panel mounting rails can cater to an array of places, suitable for ground, open space, cabins and backyard, or you can install solar panels on flat and pitched roofs made of tiles, asphalt shingles, ceramic tiles Features: Our solar panel brackets for mounting are suitable for most home, RV and marine solar panel installations, convenient and handy, an ideal choice regardless of your specific solar installation needs. You can adjust our solar panels kit according weather, to provide a maximum surface area for solar exposure, enhancing your ability to harness solar energy efficiently. Specifications: Material: aluminum alloy Color: as the pictures shown Size: Number 2 rails: about 88 inches/ 2250 mm Connectors: about 5.91 inches/ 150 mm Package includes: 1 Set of solar panels kit Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Pointed items are included, please be careful when using and please keep them away from kids. Payment Back to Top We accept Paypal and All Major Credit Cards. Shipping & Handling Back to Top Item will be shipped FREE standard shipping in 1 business day after payment is received. Express Shipping services are available. Tracking number will be provided. Return Policy Back to Top Items can be returned for exchange or full refund within 30 days from the date you receive your merchandise. Please contact us before starting a return request, so we can resolve any issues and provide free returns if needed. Return shipping is the responsibility of buyer unless the return is a result of our mistake (i.e., your receive the wrong item). Contact Us Back to Top If you have any questions please contact us. We will respond within 1 business day or less.
1/2/3/4/5/10X Small Polycrystalline Solar Panel Cell Module For Garden Lights
Aspect Solar’s DUO-Flex2 SP-138 Solar Charger + SB-30A Battery Pack BRAND NEW
Aspect Solar – Solar Panel Charger Set:(1)- Sunsocket DUO-Flex 2Dual Configuration Solar Charger(1)- Battery Pack SP-30AHigh Capacity Portable Battery Pack———————————————————-Brand New – Unopened Blister Packs(See Pictures For Brand New Condition)Set of Two: Sunsocket DUO Flex 2 Charger + SB-30A Battery Pack================================Power your life with Aspect Solar’s DUO-Flex2 portable solar panel charger. The DUO-Flex2 13 Watt Solar Charger provides the most power and versatility of any portable solar charger.The flexible, mono-crystalline silicon panels allow for multiple configurations including vertical, horizontal, L-Shape and V-Shape in a lightweight, durable, weather resistant design. You will never be without a charge. Aspect Solar offers the world’s best, most reliable portable solar power products.Enjoy the freedom of being fully charged everywhere you go and whatever you do. It’s guaranteed power when you need it the most—for your phone, tablet and other digital devices. Aspect Solar’s SunSocket DUO-Flex2 is a compact 13 Watt USB-based Solar Panel featuring multiple innovations that provide exceptional solar power and versatility. The Duo-Flex2 panels power devices directly using a built-in MicroUSB connector, or you can also charge any external USB battery packs to save the power for use anytime day or night. Of course we recommend using a proper solar storage battery packs, like the ones we sell, since they offer pass-through charging of your devices, unlike box store brands.Duo-Flex 2 Specifications…Rated Power : 13W (±5%)Cell Type : Mono-crystaline Silicon, 21.4% Efficiency… The Best AvailableOutputInterface : USB MicroDC Output : 5V 2.0A MaxDimensions Packed : 12.60 x 6.89 x 1.57 in.Rectangle Configuration : 12.60 x 13.78 x 0.50 in.Square Configuration : 25.20 x 6.89 x 0.50 in.Weight : 440g / 15.5 oz. Best Operating Temp. : -10 – 60C / 14°F – 140°F Aspect Solar SB-30 Portable Power PackAspect Solar SB-30 Portable Power Pack is a high-capacity, 8000 mAh portable battery pack that has enough portable power to charge a smart phone up to 6 times, a tablet once, or a point and shoot or action camera up to 6.5 times. These are great to use as an extra back-up battery pack that may be charged by your DUO-Flex2 solar panels or as a stand-alone battery pack that can be charged by the supplied AC charging adapter. These portable battery packs are fully transportable, which makes charging on the go easier than ever. Never worry about losing your charge again. Just charge up one of these battery packs before heading out and you’ll have the power boost your electronics need.You can buy with complete confidence as I have a 100% positive feedback rating. I mail all items out within 24 hours of receipt of payment. SHIPPING: I ship USPS Ground Advantage Service (3-6 days). This solar panel charging set will be packed and boxed securely to assure safe delivery. Tracking information is provided.
Aspect Solar’s SB-30A Battery Pack BRAND NEW
Aspect SolarHigh Capacity Portable Battery Pack———————————————————-Brand New – Unopened Blister Pack(See Pictures For Brand New Condition)SB-30A Battery Pack 8,000 mAH================================Aspect Solar SB-30 Portable Power PackAspect Solar SB-30 Portable Power Pack is a high-capacity, 8000 mAh portable battery pack that has enough portable power to charge a smart phone up to 6 times, a tablet once, or a point and shoot or action camera up to 6.5 times. These are great to use as an extra back-up battery pack that may be charged by your DUO-Flex2 solar panels or as a stand-alone battery pack that can be charged by the supplied AC charging adapter. These portable battery packs are fully transportable, which makes charging on the go easier than ever. Never worry about losing your charge again. Just charge up one of these battery packs before heading out and you’ll have the power boost your electronics need.You can buy with complete confidence as I have a 100% positive feedback rating. I mail all items out within 24 hours of receipt of payment. SHIPPING: I ship USPS Ground Advantage Service (3-6 days). This SB-30A Portable Battery Pack will be packed and boxed securely to assure safe delivery. Tracking information is provided.
Thermostat for DC Water Heater Element 175 Degrees Fahrenheit Water Overheat
See our video on our high efficiency water heating elements and run video on our new LifePo 4 Bettery Thermostat for DC Water Heater Element 175 Degrees Fahrenheit Water Overheat Automatic resetting thermostat for DC water heating 175 Degree Fahrenheit Hurricane Wind Power 2019Corporate America Today2019 Best Off-Grid Renewable Energy Product Supplier – USAUP TO 50% DISCOUNTSTOP BRANDSPaymentShippingReturnsPaymentShippingReturns We accept payment by any of the following methods: PayPal Please pay as soon as possible after winning an auction, as that will allow us to post your item to you sooner! We offer Fast shipping on all orders! Your order will be dispatched within 1-3 working day of receiving payment (Monday-Friday) and you should expect to receive it one or two days after dispatch (for orders sent RM 1st Class). In the very unlikely event that your item is lost or damaged during post, then WE are responsible and will issue either a full refund or replacement. If you are not 100% satisfied with your purchase, you can return the product and get a full refund or exchange the product for another one, be it similar or not. You can return a product for up to 14 days from the date you purchased it. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. See our other itemsThank you for visiting our Ebay store!Automatic resetting thermostat for DC water heating 175 Degree Fahrenheit Thermostat for DC Water Heater Element 175 Degrees Fahrenheit Water OverheatSee our video on our high efficiency water heating elements and run video on our new LifePo 4 Bettery Automatic resetting thermostat for DC water heating 175 Degree Fahrenheit Hurricane Wind Power 2019Corporate America Today2019 Best Off-Grid Renewable Energy Product Supplier – USAUP TO 50% DISCOUNTSTOP BRANDSPayment We accept payment by any of the following methods: PayPal Please pay as soon as possible after winning an auction, as that will allow us to post your item to you sooner! Shipping We offer Fast shipping on all orders! Your order will be dispatched within 1-3 working day of receiving payment (Monday-Friday) and you should expect to receive it one or two days after dispatch (for orders sent RM 1st Class). In the very unlikely event that your item is lost or damaged during post, then WE are responsible and will issue either a full refund or replacement.Returns If you are not 100% satisfied with your purchase, you can return the product and get a full refund or exchange the product for another one, be it similar or not. You can return a product for up to 14 days from the date you purchased it. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. See our other itemsThank you for visiting our Ebay store! Automatic resetting thermostat for DC water heating 175 Degree Fahrenheit
Cleantite Solar Panel Cleaner Solar Sheen (Makes 512 Gallons) – Super Concent…
Brand New Cleantite Solar Panel Cleaner Solar Sheen (Makes 512 Gallons) – Super Concentrated Glass & Solar Panel Cleaning, Remove Oils, Fingerprints & Water Spots – 1 Gallon Makes 512 Gallons of RTU Product (1 Gallon) Manufacturer model: C-6200 #1 CLEANER FOR SOLAR PANELS: This ultra concentrated value formula is the best way to restore photovoltaic efficiency for solar panels.SUPER CONCENTRATED FORMULA: The most value concentrated solar cleaner formula available. 1 Gallon of concentrate makes up to 512 gallons of ready-to-spray solution! Solar Sheen gives you the best value and the strongest clean.GREEN SAFE TECHNOLOGY: Solar Sheen uses a super safe & environmentally friendly formula. Free from ammonia, phosphates and other harmful ingredients. Unlike other leading cleaners, Solar Sheen is the natural formula you are looking for.WORKS ON CONTACTS: Simply spray and wipe panels to quickly remove oils, fingerprints, soil & water spots. It's safe for all types of glass, panels, plastics & metals making it one of the most versatile cleaners you can get!MADE IN THE USA & AMERICAN FAMILY-OWNED COMPANY: Cleantite is a USA-based company located in Carlisle, Pennsylvania. All Cleantite products have a 100% satisfaction guarantee and excellent USA customer service members waiting by the phones to answer any questions you may have. Description Shipping and Handling Please allow 5-7 business days for the package to arrive, regardless of buyer location within the US. We will provide an online tracking number to you once the item has been shipped. It may take a few business days for our automated system to process the tracking number onto eBay. However, this will not affect the shipping times. Return Policy All our products are brand new and sealed. All items qualify for returns within 30 days of receipt. Feedback We take our reputation seriously. If you have any questions or concerns, please contact us and we will respond back to your message within 24 hours.
Solar Panel Cleaner (Makes 512 Gal) Concentrated Glass & Solar Panel Cleaning
Solar Panel Cleaner (Makes 512 Gal) Concentrated Glass & Solar Panel Cleaning #1 CLEANER FOR SOLAR PANELS: This ultra concentrated value formula is the best way to restore photovoltaic efficiency for solar panels.SUPER CONCENTRATED FORMULA: The most value concentrated solar cleaner formula available. 1 Gallon of concentrate makes up to 512 gallons of ready-to-spray solution! Solar Sheen gives you the best value and the strongest clean.GREEN SAFE TECHNOLOGY: Solar Sheen uses a super safe & environmentally friendly formula. Free from ammonia, phosphates and other harmful ingredients. Unlike other leading cleaners, Solar Sheen is the natural formula you are looking for.WORKS ON CONTACTS: Perfect for use with solar panel cleaning brush and solar panel cleaning kit. With this solar panels cleaning equipment, simply spray and wipe panels to quickly remove oils, fingerprints, soil & water spots. It’s safe for all types of glass, panels, plastics & metals making it one of the most versatile cleaners you can get!MADE IN THE USA & AMERICAN FAMILY-OWNED COMPANY: Cleantite is a USA-based company located in Carlisle, Pennsylvania. All Cleantite products have a 100% satisfaction guarantee and excellent USA customer service members waiting by the phones to answer any questions you may have. Product Description 13.0 inches x 4.0 inches x 9.5 inches. Weight: 8.51 lb Item model number C-6200 Product Dimensions 4 x 13 x 9.5 inches; 8.51 Pounds Country of Origin USA Material Feature Natural Item Form Liquid Specific Uses For Product Solar Panel Size 1 Gallon (Pack of 1)
SOLAR PANEL KIT «ADVANCED PROTECTION» SELF CLEANING CERAMIC CLEAR COAT SPRAY
SUPERMAXX SPRAY ON & POLISH OFF 8-10 PANELS45% HIGH-STRENGTH CERAMIC COATING 8oz/237ml AVAILABLE TO CONSUMERS KEY BENEFITSProtects against Stains, Grime, Water Spots, etc.Super-Hydrophobic Water Repelling PropertiesLeaves a Silky-Smooth finishLong-Lasting Results with two applicationsQuick & Easy to Apply, Just Spray & Wipe IMPROVE EFFICIENCY AND LOWER MAINTENANCE WITH SELF-CLEANING SUPERMAXX CERAMIC COATINGSUPERMAXX Ceramic Coating offers the best protection for solar panels. SUPERMAXX Solar Panel Coating is a Super Hydrophobic Spray on Clear Coating and lasts up to 2 years! SUPERMAXX is your best choice when lowering maintenance & cleaning of your solar panels and boosting energy efficiency.SUPERMAXX Ceramic Coating provides self-cleaning benefits and allows water runoff, carrying dirt with it while cleaning the surface.SUPERMAXX is a 100% optically clear coating, that does not wash off and allows the full benefits of maximum energy transmission.According to The US Department of Energy dirty solar panels, reflecting less sunlight means a 3 to 6 percent decrease in light-to-electricity conversion efficiency and power output of the solar cells.SUPERMAXX Ceramic Coating provides maximum energy transmission, superior water-repelling, and self-cleaning properties that substantially reduce the maintenance and operating costs of all solar panels.SUPERMAXX Solar Panel Coating repels water, soil, and stains for improved efficiency. SUPERMAXX Ceramic Coating offers long-lasting protection and keeps solar panels cleaner and more efficient in between washings and is suitable for application during manufacture or after installation. This solution is safe on glass, plastic, or thin-film panels. Our solar panel ceramic coatings prevent water, soil, and mineral deposit buildup for reduced costs of cleaning, care, and replacement.SUPERMAXX Solar Panel Coating is a hard glass-like coating, super hydrophobic, self-cleaning barrier protection with an efficient, dust accumulation-reducing function. Our solutions are highly UV resistant, heat, chemical resistant, and ultra-thin (< 2 microns).SUPERMAXX Ceramic Coating offers impact and scratch resistance, higher power output, and more consistent energy efficiency. This ceramic solar panel coating protects panel glass from erosion and staining from salt spray or mineral deposits. Able to endure harsh conditions from sub-zero to scorching environments, these coatings can be used on solar mirrors as well.SUPERMAXX Ceramic Coating for Solar Panels offers real maintenance and free professional-grade protection.SUPERMAXX Ceramic Coating for Solar Panels offers real maintenance-free advantages and professional-grade protection.Have you ever treated your windshield with water repellent or bought eyeglasses with an anti-reflective coating?SUPERMAXX combines the benefits of both in a unique glass coating that can improve tomorrow’s solar panels, lenses, detectors, windows, and many other products.Scientists at the Department of Energy’s Oak Ridge National Laboratory looked to some surprising sources of inspiration when developing new technology: "Inspired by Nature…Perfected by Science"Water bounces off, carrying dirt with it and cleaning the surface. For solar panels, reflecting less sunlight means a 3 to 6 percent reduction in light-to-electricity conversion efficiency and power output of the solar cells. The water-repelling and self-cleaning properties could also substantially reduce the maintenance and operating costs of solar panels. Other potential benefits include reducing corrosion, and aging, and preventing ice and snow buildup.SUPERMAXX Ceramic Coating is applied by first depositing a thin layer of liquid glass on another glass surface. Then chemical self-bonds and hardens like a diamond. The three-dimensional network of high-strength glass resembles a diamond.The coating can be fabricated through standard industry techniques, making it easy and inexpensive to scale up and apply to many types of glass. And it’s much more durable than existing glass coatings. Other methods involve waxes, sealants, polishes, and powders, which aren’t very durable.SUPERMAXX Ceramic Coating is made from Polysilazane polymers and resins which can withstand much more abuse from impact, bird droppings, pollution, acid rain, and temperature.Directions:1. Shake Well before using. 2. Spray in sections on all Clean & Dry Solar Panel surfaces. 3. Polish with a clean microfiber towel.CAN BE USED OVER & OVER AGAIN FOR ADDED PROTECTION!
SOLAR PANEL PROTECTION SELF CLEANING TRICURE CERAMIC CLEAR COAT SPRAY – KIT
SUPERMAXX POLYSILAZANE CERAMIC COATING SPRAY ON & POLISH OFF 45% HIGH-STRENGTH CERAMIC COATING AVAILABLE TO CONSUMERS KEY BENEFITSProtects against Stains, Grime, Water Spots, etc.Super-Hydrophobic Water Repelling PropertiesLeaves a Silky-Smooth finishLong-Lasting Results with two applicationsQuick & Easy to Apply, Just Spray & Wipe IMPROVE EFFICIENCY AND LOWER MAINTENANCE WITH SELF-CLEANING SUPERMAXX CERAMIC COATINGSUPERMAXX Ceramic Coating offers the best protection for solar panels. SUPERMAXX Solar Panel Coating is a Super Hydrophobic Spray on Clear Coating and lasts up to 2 years! SUPERMAXX is your best choice when lowering maintenance & cleaning of your solar panels and boosting energy efficiency.SUPERMAXX Ceramic Coating provides self-cleaning benefits and allows water runoff, carrying dirt with it while cleaning the surface.SUPERMAXX is a 100% optically clear coating, that does not wash off and allows the full benefits of maximum energy transmission.According to The US Department of Energy dirty solar panels, reflecting less sunlight means a 3 to 6 percent decrease in light-to-electricity conversion efficiency and power output of the solar cells.SUPERMAXX Ceramic Coating provides maximum energy transmission, superior water-repelling, and self-cleaning properties that substantially reduce the maintenance and operating costs of all solar panels.SUPERMAXX Solar Panel Coating repels water, soil, and stains for improved efficiency. SUPERMAXX Ceramic Coating offers long-lasting protection and keeps solar panels cleaner and more efficient in between washings and is suitable for application during manufacture or after installation. This solution is safe on glass, plastic, or thin-film panels. Our solar panel ceramic coatings prevent water, soil, and mineral deposit buildup for reduced costs of cleaning, care, and replacement.SUPERMAXX Solar Panel Coating is a hard glass-like coating, super hydrophobic, self-cleaning barrier protection with an efficient, dust accumulation-reducing function. Our solutions are highly UV resistant, heat, chemical resistant, and ultra-thin (< 2 microns).SUPERMAXX Ceramic Coating offers impact and scratch resistance, higher power output, and more consistent energy efficiency. This ceramic solar panel coating protects panel glass from erosion and staining from salt spray or mineral deposits. Able to endure harsh conditions from sub-zero to scorching environments, these coatings can be used on solar mirrors as well.SUPERMAXX Ceramic Coating for Solar Panels offers real maintenance and free professional-grade protection.SUPERMAXX Ceramic Coating for Solar Panels offers real maintenance-free advantages and professional-grade protection.Have you ever treated your windshield with water repellent or bought eyeglasses with an anti-reflective coating?SUPERMAXX combines the benefits of both in a unique glass coating that can improve tomorrow’s solar panels, lenses, detectors, windows, and many other products.Scientists at the Department of Energy’s Oak Ridge National Laboratory looked to some surprising sources of inspiration when developing new technology: "Inspired by Nature…Perfected by Science"Water bounces off, carrying dirt with it and cleaning the surface. For solar panels, reflecting less sunlight means a 3 to 6 percent reduction in light-to-electricity conversion efficiency and power output of the solar cells. The water-repelling and self-cleaning properties could also substantially reduce the maintenance and operating costs of solar panels. Other potential benefits include reducing corrosion, and aging, and preventing ice and snow buildup.SUPERMAXX Ceramic Coating is applied by first depositing a thin layer of liquid glass on another glass surface. Then chemical self-bonds and hardens like a diamond. The three-dimensional network of high-strength glass resembles a diamond.The coating can be fabricated through standard industry techniques, making it easy and inexpensive to scale up and apply to many types of glass. And it’s much more durable than existing glass coatings. Other methods involve waxes, sealants, polishes, and powders, which aren’t very durable.SUPERMAXX Ceramic Coating is made from Polysilazane polymers and resins which can withstand much more abuse from impact, bird droppings, pollution, acid rain, and temperature.Directions:1. Shake Well before using. 2. Spray in sections on all Clean & Dry Solar Panel surfaces. 3. Polish with a clean microfiber towel.CAN BE USED OVER & OVER AGAIN FOR ADDED PROTECTION!
10W Solar Panel Kit Trickle Charger Battery Controller Maintainer Boat RV Car US
10W Solar Panel Kit Trickle Charger Battery Controller Maintainer Boat RV Car US Features of Solar Panel: It can be used as an alternative charger for cars, trucks, caravans, boats, motorcycles, RV batteries or any 12V lead acid battery. It is waterproof and can be placed outdoors. There are built-in diodes in the alligator clip to help prevent reverse charging. You can install this item in your car and keep charging during the day. Provides 2 alligator clips and charging cable for all kinds of equipment, emergency lights, advertising lights, traffic lights, electric fans, solar water pumps, motorcycles, boats, etc. Specification: Color: Black Panel: Monocrystalline silicon Maximum Power (Pmax): 10W Maximum Power Voltage (Vmp): 18V Maximum Power Current (Imp): 4A Output: USB DC 5V & DC 12V(Control Unit adjust the voltage to 14.4V output) Waterproof: IP65 Size: 7.25 inch width and 8.5 inch length Package include: 1 X Solar Panel 1 X Crocodile Clip 1 X Car Plugs Tips: 1. Please do not scratch the surface of the solar panel with a sharp object. 2. When charging the charger with solar energy, please place the solar panel upwards in direct sunlight to ensure the charging effect. 3. Please do not put the charger outdoors on rainy days to avoid short circuit. The front of the solar panel is waterproof, but it is best not to enter the water at the USB and DC interfacesFeature of 30A Battery Controller: 100% brand new and high quality guaranteed.Build-in industrial micro controller, automatically manage the working of solar panel and battery in solar system.Big LCD display, adjustable parameter.Fully 3-stage PWM charge management, improve system efficiency and prolong the life span of the battery.Build-in short-circuit protection, open-circuit protection, reverse protection, over-load protection.Dual USB output, the maximum current of 2.5A, to support Apple mobile phone charging.Dual mosfet Reverse current protection, low heat production.Easy to set up and operate, suitable for home, industrial, commercial etc.Product Specification:Type:Solar Power MetersMaterial:ABS+componentPower:12V/24VDisplay Type:LCD DisplayInterface:Dual USB Package Included:1 x Solar Charge Controller1 x User Manual LCD display/key and Operations: MENU:Switch between different display,or to enter/exit setting by long press. UP: Press to increase value. DOWN:Press to decrease value. System Connection: 1.Connect the battery to the charge regulator – plus and minus. 2.Connect the photovoltaic module to the regulator – plus and minus. 3.Connect the consumer to the charge regulator – plus and minus. *The reverse order applies when deinstalling! *An improper sequence order can damage the controller! Attention: 1.press the [Down] button to ON/OFF load manully at main display. 2.the work mode is working as below: [24H] load output 24hours [1-23H] load on after sunset and closed after setting hours [0H] Dusk to dawn 3.Batteries:Only fit for OPEN, AGM, GEL 4.The charge regulator is only suitable for,regulating solar modules Never connect another charging source to the charge regulator. 5.Please make sure your battery has enough voltage for the controller to recognize the battery type before first installation.Common Problem Q: How to install it? A:(1)Battery —>(2)solar panel —> (3) load The disassembly sequence is contrary to the wiring order. Q: Why the LCD screen become blank? A: When the battery voltage is too low, the controller will stop to output(≦ 8V, controller turns itself off, LCD is blank, ≦ 10.7V, 12V output ports are not available); after the solar panels charging, it will re-output when the battery will return to 12.6V. Q: What battery type is this controller supported? A:The regulator is only suitable for lead-acid batteries(OPEN, AGM, GEL),it is not suited for nickel metal hydride, lithium ions or other batteries. Q:How is it set to charge battery during the day and turn on at dusk? A: Just simply hit the «menu» button to go to work mode selection. And scroll up/down(use+,-) to select you preferred mode as below options. There are 3 options for the working mode. Mode 1 : [24HR] >> Discharge 24 hr or until the battery voltage is below setting point. Mode 2 : [1-23HR] >> Discharge after sunset until the setting hour or until the battery voltage is below setting point. Mode 3 : [0H] >> Discharge Dusk to Dawn PaymentShippingReturn & Refund policyFeedbackContact usPaymentWe accept payment via PayPal. Use PayPal at checkout to pay with credit or debit. Immediate payment is required. Shipping will be arranged within 1 -3 business day once payment is cleared.Shipping1.Item will be shipped same business day if paid 4 pm EST 1 pm PDT(except weekends and holidays) and shipped from US. 2. Orders from the United States will all be shipped out via starnding shipping or economy shipping. The shipment usually takes 3-7 business days(Saturday and Sunday excluded), if you need the item urgently, please contact us for detail before purchase. Orders from overseas will be shipped via DHL Express, 3-5 business days. 3. Local pick up is not available.Return & Refund policy1.We stand behind our items and offer 60 days warranty. All items are in new and working condition unless specified otherwise elsewhere in the description. 2.All Returns – defective or otherwise – MUST BE PREAUTHORIZED to guarantee refund or exchange. Please contact us to get an authorization and return address. 3.Buyer agrees to pay for the cost of re-shipment for undeliverable or wrong addresses. 4.Buyer is responsible for Return Postage as well as a 20% restocking fee if return/replacement is not a result of our mistake such as wrong item. 5.Replacement or Refund will be made upon receipt of the returned item. Please include tracking number so we can process ASAP. If you do not wish to wait for a replacement, please repurchase the item. 6.ALL REFUNDS will be processed via PayPal. Please double check via PayPal history and transaction for confirmation. PayPal will send it back to whatever you used to pay within 3-5 days.FeedbackWe strive to provide the best products and services. If anything about your transaction did not meet expectations, please CONTACT US and give us the opportunity to make things right. We are always here to help.Contact usWe have always been trying to provide the best service and reliable products for every customer, however, accident may happen sometimes, please contact us to resolve any issue before leaving a negative feedback.