Pda battery pack,this is a 1 cell lithium polymer rechargeable battery pack designed to work in toshiba pocket pc e310, e330, e335, e350, e355, e370, e380 series pda computers.This battery ships fully charged, tested and ready to work.This energy+ item is built with the highest quality standards. Specifications: energy+ part: l503759-te3. Brand: energy+. Type: lithium polymer. Voltage: 3.7. Capacity: 1100 mah. Color: silver grey. Size: 2.39 X 1.42 X 0.19. Contacts: wire leads connector.