This SONY PCGA-BP52 Battery can replace the following part numbers:
SONY:
PCGA-BP51 PCGA-BP51A PCGA-BP51A/L PCGA-BP52
PCGA-BP52A PCGA-BP52A/L PCGA-BP52AUC

This SONY PCGA-BP52 replacement battery is compatible with the following models:
SONY: PCG-505G/A4G PCG-505GX/4G PCG-505SX/4G
PCG-505V/ABX PCG-505V/CBP PCG-505V/CBX
PCG-505X/64 PCG-6C1N PCG-C1C
PCG-C1MR/BP PCG-C1MRX PCG-C1MZX
PCG-C1VG PCG-C1VJ PCG-C1VJ/BP
PCG-C1VM PCG-C1VR/BP PCG-C1VRX/K
PCG-C1VS/BW PCG-C1VSX/K PCG-C1X
PCG-C1XA PCG-C1XE PCG-C1XF
PCG-C1XG PCG-C1XG/BP PCG-C2GPS
PCG-GT1 SERIES PCG-GT3/K PCG-N505E/BP
PCG-N505EL PCG-N505ES VAIO PCG-161l
VAIO PCG-505 VAIO PCG-505CBP VAIO PCG-505CBX
VAIO PCG-505EX VAIO PCG-505EX/64 VAIO PCG-505F
VAIO PCG-505FX VAIO PCG-505G VAIO PCG-505GX
VAIO PCG-505lS VAIO PCG-505R VAIO PCG-505RS
VAIO PCG-505RX VAIO PCG-505S VAIO PCG-505SX
VAIO PCG-505TR VAIO PCG-505tr Vn Picturebook VAIO PCG-505TS
VAIO PCG-505TX VAIO PCG-505V VAIO PCG-505X
VAIO PCG-C1MAH VAIO PCG-C1MSX VAIO PCG-C1MT
VAIO PCG-C1MV VAIO PCG-C1MVC VAIO PCG-C1MVM
VAIO PCG-C1MVP VAIO PCG-C1MVPM Vaio Pcg-c1mzx
VAIO PCG-C1 Series VAIO PCG-C1 SERIES VAIO PCG-C1VGT
VAIO PCG-C1VJ Vaio Pcg-c1vj/bp VAIO PCG-C1VM
VAIO PCG-C1VMT VAIO PCG-C1VM/T VAIO PCG-C1VN
VAIO PCG-C1VN Picturebook VAIO PCG-C1VP VAIO PCG-C1VPK
VAIO PCG-C1VPK Picturebook VAIO PCG-C1VP Picturebook Vaio Pcg-c1vrx/k
Vaio Pcg-c1vs/bw Vaio Pcg-c1vsx/k Vaio Pcg-c1x
VAIO PCG-C1XA Vaio Pcg-c1xe Vaio Pcg-c1xf
Vaio Pcg-c1xg Vaio Pcg-c1xg/bp VAIO PCG-C1XN
VAIO PCG-C1XS VAIO PCG-C1XS Picturebook VAIO PCG-C2 Series
VAIO PCG-CIXS VAIO PCG-GT1 Series VAIO PCG-GT3 Series
VAIO PCG-N505 VAIO PCG-N505A/BP VAIO PCG-N505SF
VAIO PCG-N505VX VAIO PCG-N505X

Battery Type: Li-ion
Voltage: 11.1V
Capacity: 4400mAh
Color: purple
Dimensions: 243.20x45.50x24.40mm
Weight: 305.00g