This standard 3.7V rechargeable Lithium 18650 battery cell is perfect for solar science fair projects involving panels. Also great for building an off-grid solar power system for camping, RVs, or boats. This popular lithium ion cell battery is also frequently used in household appliances, doorbell cameras, for vapes, and more.
Multiples can be hooked together in series to get higher voltage or in parallel to acheive higher capacity.
Use it in any device that requires a standard 18650 Lithium battery cell.
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