Lithium iron phosphate battery LiFePO4 24v (25.6v) 18Ah The best replacement for lead-acid batteries, there is no need to buy a new charger (if it works). Fireproof. They work at low temperatures. LiFePO4 type Rated voltage - 25.6v Operating voltage range - 20 - 29.2v Charging voltage - 28.8 -29.2v Maximum charging current - 0.5C (9A) Rated charging current - 0.2C (3.6A) Maximum short-term discharge current - 40A Nominal discharge current - 1C (18A) Charging temperature range - (0 + 45 ° C) Discharge temperature range - (-10 + 60 ° C) Internal resistance ≤ 30 mΩ (AC 1000Hz) Weight 4kg Charging type CC / CV There is a protection board (overcharge, overdischarge, balancing). The body is pulled together by PVC. XT90 connector Dimensions 220 * 151 * 75mm Lithium Iron Phosphate (LiFePO4) batteries are compatible with most lead acid battery chargers. Cyclic service life after 2000 cycles (full) at rated charge and discharge currents 70% residual capacity. Store at 50% charge. There are other batteries, see my ads.