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1. New battery for Sony VAIO VGN-FS21B usually maintains a discharged condition with very low capacity. It is highly recommended to fully charge new battery packs before using.
2. The new Sony VAIO VGN-FS21B battery pack needs to be circled (fully discharged and recharged) three to five times to reach its optimum performance.
3. Sony VAIO VGN-FS21B battery will undergo self-discharging when left unused for a long period of time. Thus, it should always be stored in a fully charged state and kept in a cool, dry and clean place.
4. To maintain the optimum performance of Sony VAIO VGN-FS21B battery pack, it is highly recommended to circle (fully discharging and recharging) it at least once a month.
5. It is normal if the new Sony VAIO VGN-FS21B battery gets warm when being charged or used. However, please pay special attention if the battery pack becomes excessively hot. This may indicate there is a problem with the charging circuit of the electronic device. Please consult a qualified technician if necessary.
6. New batteries are hard to be charged. Sometimes, your electronic device may indicate a fully charged condition about 10 to 15 minutes when Sony VAIO VGN-FS21B battery pack is being charged for the first time. When this happens, remove the battery pack and let it cool down for about 10 to 15 minutes then repeat the charging procedure. Sometimes, the new VAIO VGN-FS21B battery will suddenly refuse to be charged. If this happens, a suggested solution is trying to remove the battery from the device and insert it again.
Sony pcga-bp2e battery. Fits laptop models: Sony a17gp , Sony Vaio pcg-gr100 / gr200 / gr300. Brand new!
Sony pcga-bp2nx laptop battery uses the highest quality cell, Chemistry:Li-ion , Volts:14.8V , Capacity:4400mAh.
Sony pcga-bp2v battery. Fits laptop models: pcg-z1a , vaio pcg-v505/b/ac , vaio pcg-z1 , vgn-b Series.
Hi-quality Sony vgp-bps3 battery. Compatible with Sony t2 Series / vaio t Series / vgn-t17gp / vgn-t50b/l battery.
Brand new Sony vgp-bpl2 battery. Replacement for Sony vaio vgn-fj170/b , vaio vgn-s18gp , vaio vgn-s580 laptop battery.
New Sony pcga-bp1n battery. 100% original manufacturer compatible. Chemistry:Li-ion, Volts:14.8V, Capacity:3200mAh, 1 year warranty.
