AccuCell Replacement battery suitable for Olympus Digital-Camera: Olympus E-1, E1 Olympus HLD-2 for Batteriehalter HLD-2 for Digital E-1 Original rechargeable battery name: Olympus BLL-1, Olympus PS-BLL1 Quality 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 Olympus BLL-1 Digital Kamera rechargeable battery): System: Li-ion rechargeable battery Voltage: 7.2 Volt Capacity: 3400mAh Dimensions (LxBxH): 104.7x37.8x28.1mm Weight: 192,5 gramm