The 6600mAh sony vgp-bps5 battery is known as a replacement for the original Sony vgp-bps5 laptop pc batteries. Our Sony vgp-bps5 electric, made with the premier cells, are 100% best with the Manufacturer Part and definately will even meet or go over OEM requirements. The fresh vgp-bps5 battery adopts Li-ion engineering, which ensures maximum power supply life and maximum battery power performance. Furthermore, all vgp-bps5 batteries for Sony notebook enjoy the built-in auto-rehabilitation function, which sometimes fully charge and discharge the battery to adjust the error message. The high-capacity sony vgp-bps5 battery power running time is 4-6 hours or longer(also this could depending on different operation system mode and different notebook computer model), and charging time require 4-5 hours (also this would depending on different business system mode and portable computers model). Features: Chemistry: Li-ion Volts: 7. 4V Quantity: 6600mAh Color: Dark Dull Net Weight: 309. 00 Measurements: 205. 90 x 47. 00 x 15. 80 mm For you to prolong the Sony vgp-bps5 wide variety life, please pay close awareness of battery maintenance. Rechargeable battery will undertake self-discharging when left unused for years of time. Thus, it will always be stored in the 50% charging state and kept within a cool, dry and clear place. To maintain the optimum performance of your battery pack, it is highly advised to cycle (fully discharging and recharging) it one or more times a month. If the particular laptop runs on adapter, perhaps you may take out the battery power. A new vgp-bps5 battery usually is supplied in a discharged condition sufficient reason for a very low capacity. It is generally endorsed to discharge the battery first and charge the battery. New sony vgp-bps5 batteries are hard to remain charged. Sometimes, your electronic device may indicate a fully charged condition about 10 to quarter-hour when the new battery power is being charged for to start with. When this happens, get rid of the battery pack and allow it cool down for about 10 to 15 minutes then repeat the getting procedure. Sometimes, a new battery will suddenly won't allow be charged. If this kind of happens, it is then suggested to cut out the battery from it and reinsert it.