This HP/Compaq laptop battery can REPLACE:

fit for Sony VGP-BPL9 VGP-BPS10
VGP-BPS9Sony VGP-BPS9B
VGP-BPS9ASony VGP-BPS9A/B

FIT Machine models : 

replace for  Sony VGN-AR48CSony VGN-CR11H
Sony VGN-CR13Sony VGN-CR15
Sony VGN-CR21Sony VGN-CR23
Sony VGN-NR12HSony VGN-SZ54
Sony VGN-SZ55Sony VGN-SZ56
Sony VGN-SZ561NSony VGN-SZ562N
Sony VGN-SZ57NSony VGN-SZ58N
Sony VGN-SZ64Sony VGN-SZ65

1 Cells: We use A Grade Cell, and 1 year warranty.

2 Battery Case: The battery case use insulation materials with shockproof, prevent aging, and no easy to damage. First-class and durability.

3 Mother Board: Battery motherboard is designed by ourselves. Special design include automatic protection programs, such as over-charge, over-discharge, over-heart and short circuit protection.

4 A series testing:

1) The first test is to inspect all the cells that whether have stable and ample capacity before assembly. The test time costs four hours.

2) The second test is to test the basic performances of the assembled battery before the aging test.

3) The Third test is aging test, to inspect basic parameters and performances. We do aging test for 72 hours.

4) The fourth test is to inspect all the performances of the battery after fixing procedure.

5) The last test is to inspect the battery whether can work well on laptop after finished all assembly procedures.

5 Low self-discharge: The residual capacity of our battery have more than 90% of the initial capacity after 30 days storage.

6 Charge-discharge can come up to more than 300 times, after 300 times, the residual capacity still have 80% of the initial capacity.

7 6 cells battery, the use time is up to more than 3 hours.