CKE Power Bee 18650 3.7V 5000mAh Lithium-Ion Battery Pair (2 PCS) with Button Top Electronic Components Electronic Hobby Kit

Power Bee 18650 3.7V Li-Ion rechargeable battery cell is a high-quality product with no memory effect and lasts longer than NiMH batteries. These battery cells can be used as a standalone unit in any rechargeable device or connected to form high capacity battery packs. Because they are lighter in weight and have a higher energy density than other rechargeable batteries, these 3.7V lithium cells are utilized in various applications such as flashlights, solar lights, power banks, toys, DIY projects, medical equipment, and so on. This battery can be charged via a 4.2V battery charger.