... density4.long lifespan· we Hipower can offer cylindrical battery 18650,26650,32880,32107,42107,42127 and prismatic battery 20Ah,30ah, 40ah, 50ah, 60ah, ... . · Long lifespan, 6-7years, 4 times of lead acid battery. · Safe, high-power, and environment-friendly,have no heavy ... ISO 9001:2000, CE, RoHS, and UL certifications · Hipower offer Battery pack + BMS + Charger as a whole solution. Engineers would ...