Here’s a collection of Lithium DEEP CYCLE battery 7.5Ah to 100Ah.
Same casing sizes as Lead-acid (Yuasa NP / Group-31/-51) Same 12V system & Pos/Neg terminals Cells are of Low Impedance and well-matched. Packs are assembled with lowest IR. BMS of high engineering spec. are being equipped. Pulse current draw (for motor / inverter / etc.) is also well addressed.