PCGA-BP2E - Li-Ion Batt for Sony Vaio GR series. Works with PCG-GR150K, PCG-GR170K, PCG-GR250, PCG-GR250K, PCG-GR250P, PCG-GR270, PCG-GR270K, PCG-GR270P, PCG-GR290, PCG-GR290K, PCG-GR290P, PCG-GR300, PCG-GR300K, PCG-GR370, PCG-GR370K, PCG-GR370P, PCG-GR390, PCG-GR390K, PCG-GR390P and more. Compatible Part Numbers: PCGA-BP2E or PCGABP2E. Battery Technology: Li-Ion, 11.1 Volts 3600 mAh.