Panasonic Corp announced the development of a pin-shaped LiIon battery with product code CG-320. This tiny battery has a diameter of 3.5mm and weights less than 0.6 grams, making it suitable for wearable. Its industry's smallest cylindrical shaped rechargeable battery that can be used repeatedly and has a capacity of 13mAh. The company will begin mass production in February 2015.
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