Technology Limited was founded in 2000 in Hong Kong, over 15 years battery manufacturing experience, and sell well in Europe and America. ?Compatible models? 4EH45, 4EH51, 4EH52, 4EJ41, 4EJ51, 4ER41, 4ER5, 4ER5.001.01, 4ER51, G0 825, Go 1530, Go 820, Go Live 1530, Go Live 820, Go Live 825, Go Live Top Gear, Go Top Gear ?Compatible Part Number? AHL03711022, VF6M ?Better Quality?: Each of our batteries has strict standard quality inspection, high capacity and high voltage make the battery more stable and durable.?After-sales Service?Your satisfaction is important to us, please feel free to contact us with any question, 24*7 Email support. ?Quality Certification?ROSH, CE and UL triple certification. No memory effect, over-charge, over-discharge, over-heat, over-current and short-circuit protection. ?Battery Parameters? Dimension:43.80 x 35.80 x 6.70mm GrossWeight:47g. ?Battery Parameters? Volts:3.7V Type:Li-ion Capacity:1000mAh / 3.70Wh. ?Compatible Replacement Model? 4EH45, 4EH51, 4EH52, 4EJ41, 4EJ51, 4ER41, 4ER5, 4ER5.001.01, 4ER51, G0 825, Go 1530, Go 820, Go Live 1530, Go Live 820, Go Live 825, Go Live Top Gear, Go Top Gear.