【Wide compatibility】: The size of this battery is 2.63*0.7inch, it can be well compatible with 3.7V universal AAA battery charger slot, will not be loose, fit for all kinds of household battery powered devices.
【Intelligent Protection】：Our 3.7volt rechargeable battery is equipped with intelligent protection chip to make sure no leakage or expansion.
【Long Cycle Life】Our rechargeable batteries use high energy polymerization technology and can be charged and discharged up to 1500 times.
【Warranty and Service】Each battery is tested through 3 layers before shipment, if you have any questions feel free to contact us to give you a satisfactory answer
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