DC HOUSE Bluetooth Battery Capacity Monitor for 12V/24V/36V/48V Systems, DC 8–90
Applicable Type: Only for DC HOUSE Bluetooth lithium batteries (12V, 24V, 36V, 48V) within DC8-90V. Bluetooth Pairing Instructions: When the screen shows “88” and flashes, Bluetooth is not connected and the device is in pairing mode.