Bl-53yh 3800mah High Capacity Gold Business Battery for Lg G3 / D855 / Vs985 / D830 / D851 / F400 / D850 High Quality and brand new High Capacity Replacement Battery Battery for LG G3 / D855 / VS985 / D830 / D851 / F400 / D850 It is recommended to fully drain and fully charge the battery especially during the first 3 charging and discharging cycles, doing so may greatly improve the overall life of the battery