Amazon.com: 12V 300AH Low Temp Cutoff LiFePO4 Battery, Built in 200A BMS, Max 2560W Power Output, 5000+ Cycles Rechargeable Lithium Deep Cycle Battery, Perfect for RV/Camper, Backup Power, Solar and Off Grid :
Lithium Battery Smart 12,8V & 25,6V - Victron Energy