Upgraded Replacement Battery Li-Polymer 3.85V 400mAh Compatible with Samsung Gear S3 Classic (SM-R775V) Verizon

You do not need a special back cover to use this battery This package is specifically designed for the cellphones we list here, if your cellphone is not in the list , then it's not for you. ====================================================================== 1)400mAh Excellent Replacement Li_ion Battery: * Brand: Unbranded/Generic . * High quality Li-Ion battery. * Battery Type: Lithium Ion. * Battery Capacity: 400mAh . * Voltage: 3.85V. * This battery is internal battery with pipe line,it has an integrated microchip that prevents overcharging and lengthens battery life. * Best Replacement for the original battery with comparable standby and talk time . * Our battery is sent out with little or no power, so please charge it for about 6 - 12 hours before using. * Each battery comes with a special chip to protect your smart watch from over-heating, short-circuit, over charging or over discharging. * Integrated microchip prevents overcharging and lengthens battery life. * When using the battery, please notice that use up all the power of battery for the first three times before charging, and then take a full charge, thus the battery can be reached the optimum effect of using.Please remember that its full performance and longevity is only achieved after 3 to 5 complete charge and discharge cycles. * Replace your existing smart watch battery with a stronger.(The battery operation time depends on conditions .such as: Transmitting power level, Signal (distance between the watch and the base station),Network parameters defined by the operator.)

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