You should be avoid using up the battery power before charging the SONY Vgp-bps2 battery, because this will give the battery a lot of pressure and resulting in damage. A more feasible approach is to charge the battery when the battery remain about 20-30% of power. In fact, the notebook lithium battery in the number of "use up / charge" times is limited, all used up and then charge will greatly shorten the battery life. At the same time, the battery should be charged in a dry place, and you should also pay attention to the heart problem.
Hot to store the SONY Vgp-bps2 battery, use up the battery power or full charged the battery ? Store the battery with full discharged will make the batteries lose activity, even lead to the control circuit protection self-locking and no longer available. Store the battery with full charged will bring the safety risks, the best preservation method is store it in a cool and dry place with about 40% power, about 20 temperature is the best store temperature, of course you had better use the battery once a month, this can guarantee the battery a good state of preservation, and will not let the battery power completely loss and damage to the battery.
Sony VGP-BPS13 battery compatible with: Sony VGP-BPS13A/B, Sony VGP-BPS13B/B, Sony VGP-BSP13/S.
Sony VGP-BPS9 battery - Chemistry: Li-ion, Volts: 11.1V, Capacity: 8800mAh
Chemistry: Li-ion, Volts: 11.1V, Capacity: 8800mAh - Sony VGP-BPS8 laptop battery
High Capacity Sony VGP-BPS11 battery fits model: Sony VGN-TZ13, Sony VGN-TZ18N
Hot Sale! Sony VGP-BPS10 battery fits model: Sony VAIO VGN-SZ56, Sony VAIO VGN-SZ780
Chemistry: Li-ion, Volts: 7.4V, Capacity: 6600mAh - Sony VGP-BPS5 battery.