30W 12V Solar Battery Charger Maintainer, Built-In Smart MPPT Charge Controller,
As we all know, batteries naturally drain power and if allowed to go flat, may never regain their full power. The adjustable joint ball make it possible to adjust the angle of solar panel to get as much as sunshine, increase 2%-3%more power.
30W 12V Solar Panel Battery Charger Maintainer with MPPT Controller for Car Boat
Smart Solar Charging • MPPT Efficiency • All-Weather Protection. ⚡ Ultra-Smart MPPT Technology. Type Solar Panel. Compatibility 12V Sealed Lead-Acid, Flooded, Gel, AGM, SLA, Maintenance-Free, LiFePO4 Lithium Batteries.