Hahnel HL-10B 3.7v 1200mAh - Olympus LI-10B Replacement Battery
Only the most modern battery technology is used in Hähnel lithium-ion batteries. They are environmentally friendly, feature a very high energy density, and have no memory effect. The batteries are much smaller and lighter than any other rechargeable battery with similar capacity. All batteries are produced to the highest quality standards. A built-in microprocessor