Grepow

Its name comes from "Green Power"; it began with nickel-metal hydride batteries and now makes lithium polymer, LiFePO4, NiMH and rechargeable lithium button cells, including shaped cells, -50°C low-temperature cells, 50C high-discharge cells, 4.45 V high-voltage cells, 5C fast-charge cells and semi-solid-state cells rated at 450 Wh/kg or more. It started making stacked pouch cells in 2007. Its batteries go into drones, RC models, medical and wearable devices, robotics and industrial uses.

The 2025 Battery Report lists Grepow among high-performance battery cell suppliers and emerging lithium-ion cell makers.