Most: - Time delivery - Size of the original - 1900 instead of 1650 mha mha - The charger can prepare spare batteries during intensive use of IBS (Wifi, bluetooth, games, music, ..) and thus avoids stop his SII to recharge less: - The battery heats up more than the original during intensive use of the SII sometimes requiring discontinuation functions such as WiFi or mobile data, large energy consumers, to allow cooling.
