CWK New Replacement Laptop Notebook Battery for Toshiba Mini NB500 NB505 NB525 NB550D PA3821U-1BRS PA3820U- PABAS231 NB505-N500 NB505-N500BL NB505-N508 PA3820U-1BRS Toshiba Satellite T210 T210D T215D T230 T235 T235D PA3821U-1BRS NB505 PA3821U-1BRS Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 10.8 Volt (11.1 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!