2S 7A for 18650 2S1P li ion BMS PCM battery protection board for lithium li ion battery pack SH02008009 2S7A|for 18650|board boardboard bms - AliExpress
2S1P Battery Pack with Panasonic B Cells, 3.35Ah, 4.87A, 7.2V, Line Shape, Customizable - 18650 Battery Pack - Lithium Ion Battery Pack - Voltaplex
JETI Model Power Ion 2900 2S1P Rx Battery pack, 49,90 €