AccuCell rechargeable battery for PDA / Handheld Fujitsu Siemens: Fujitsu Pocket LOOX 400 Fujitsu-Siemens Pocket LOOX 400Quality rechargeable battery incl. electrical safety to prevent from overcharge and overheating.This rechargeable battery has a short-circuit protection. It`s possible to charge this battery with your existing charger. Technical specifications (no original Fujitsu Pocket LOOX 400 rechargeable battery): System: Li-Ion rechargeable batteryVoltage: 3,7 VoltCapacity: 1000mAhDimensions (LxBxH): mmWeight: 29Gramm