This 3.7V Lipo Battery with connector is rated at 380mah and is rechargeable.
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(edit with the Customer Reassurance module)
(edit with the Customer Reassurance module)
A nifty little rechargeable battery that supplies 3.7V. This battery is commonly used in e-textile and low power electronics projects where space is an issue. Weighing only a 0.4 oz and measuring 1 7/16" Long x 6/8" Wide, this little battery packs a lot of juice into a small package!
Specifications: