High Capacity Battery for Samsung Galaxy Tab S4 10.5\" SM-T830N Wi-Fi Tablet Replacement Internal 8550mAh Battery for Samsung Galaxy Tab S4 10.5" * This package is specifically designed for Samsung Galaxy Tab S4 10.5" Model SM-T830N from Wi-Fi as we stated in our listing. * There are many Samsung Galaxy Tab S4 in the market,they all use different battery. * If you do not have Samsung Galaxy Tab S4 10.5" SM-T830N, this package is not for you. * This battery has the same dimension as your stock battery. * Brand :Unbranded/Generic * Voltage: 3.85V. * Battery Capacity : 8550mAh * High quality Li-Ion battery. * Battery Type: Lithium Ion. * Integrated microchip prevents overcharging and lengthens battery life. * The best replacement spare battery for your tablet. * Our battery is sent out with little or no power, so please charge it for about 6 - 12 hours before using. * The battery operation time depends on conditions such as: Transmitting power level, Signal (distance between the tablet and the base station), Network parameters defined by the operator.