General description vhbw offers a high-quality replacement battery designed specifically for the Fitbit Charge HR smartwatch and fitness bracelet. This battery features a high capacity and comes with all the necessary tools for installation, ensuring a seamless replacement process. Technical specifications Battery type: Li-polymer Capacity: 70 mAh Voltage: 3.7 V Energy: 0.25 Wh Number of cells: 1 Compatibility and accessories Compatible with Fitbit Charge HR Replacement for Fitbit LSSP031420AB Included tools: 2x suction cup, 2x sticky pad, 1x plectrum, 1x SIM card tray opener, 3x plastic holder/lever, 1x tweezers, 1x T3 screwdriver, 1x T4 screwdriver, 1x T5 screwdriver, 1x T6 screwdriver, 1x Pentalobe TS1 screwdriver, 1x Pentalobe TS4 screwdriver, 1x cross-head screwdriver, 1x split handle screwdriver