【NOTE】Please fully charge the battery before use, the original charger is required to charge.
【Compatible models】High quality replacement battery for QLN220,QLN320,ZQ510,ZQ520,ZQ500,ZR628,ZR638,ZQ610.
【Battery Parameters】Volts:7.4V,Capacity:3400mAh/25.16Wh,Type:Li-ion,Net Weight:122.2g / 4.31oz,Size:73.24 x 55.80 x 24.73mm.
【Quality Certification】ROSH, CE and UL triple certification. No memory effect, over-charge, over-discharge, over-heat, over-current and short-circuit protection.
【After-sales Service】12-month Warranty and 14-day Money Back Guarantee.Your satisfaction is important to us, please feel free to contact us with any question, 24*7 Email support.