... 7mm, Small capacity is 10-70mAh. It can be applied to bluetooth, headphones, electonic credit cards, ... HGB company use its technology advantages, Can be tailored for clients of varying cell sharpes, ... card are not loaded with the battery, It must be a special reader to read the information , Moreover ... ,ISO2008Normal Polymer Li-ion Batteries:At present, we have made over 400 types of batteries. Capacity ...