This rechargeable 18650 Lithium battery cell has a flat top and is perfect for battery power banks and holders. Also great for building an off-grid solar power system for camping, RVs, or boats. Multiples can be hooked together in series to get higher voltage or in parallel to acheive higher capacity. Please note that this is not a standard 'Button-Top' (pointy + pole) battery. Make sure this is the one you need for your application before purchasing.
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