Gonghe 18650 Battery Rechargeable Lithium-ion Cell 2.7V 3000F 3Wh 1250mAh features long cycle life up to 20,000 cycles, high capacitance and stable performance. Designed for energy storage, telecom, solar systems, e-bikes and electric forklifts, this hybrid super capacitor battery delivers reliable power with low ESR (<17mΩ) and wide operating temperature (-40~65°C). Compact 18*65mm size, lightweight 0.039kg, ideal for demanding industrial and renewable energy applications.More