RKL-ESS is the Lithium (LiFePO4) Energy Storage Systems series from Rekoser. Lithium Iron Phosphate (LiFePO4) Battery offers up to 20 times longer cycle life and five times longer float/calendar life than lead acid battery. About 40% of the weight of a comparable lead acid battery. BMS built-in.
Rekoser manufactures custom lithium battery packs.
2V to 600V from 2Ah to 3000Ah
20 years full maintenance free design life.