12v litium batterier med Bluetooth overvåking - billig pris
Amazon.com: Litime 12V 100Ah Mini LiFePO4 Lithium Battery, Upgraded 100A BMS, 10-Year Lifespan with Up to 15000 Cycles, Max. 1280Wh Energy LiFePO4 Battery in Small Size, Perfect for RV, Solar, Trolling Motor. :