Amazon.com: HWE 12V 7Ah Battery, 12V Lithium Battery, Deep Cycle 12V LiFePO4 Battery Built-in BMS with F2 Terminal Offer 4000 Cycles Life, for Small UPS, Solar Power, Fish Finder, and Speaker :
12V 7Ah Battery, Sealed Lead Acid battery (AGM), B.B. Battery BP7-12, VdS, 151x65x93 mm (LxWxH),