Amazon.com: CHINS LiFePO4 Battery 12V 300Ah Lithium Battery - Built-in 200A BMS, 2000~5000 Cycles, Perfect for Replacing Most of Backup Power, Home Energy Storage and Off-Grid etc. : Automotive
BULL 12.8-300P: Lithium-Akku, LiFePO4, 12,8 V, 300 Ah, Polar at reichelt elektronik