18650 Li-ion rechargeable battery pack includes ten reliable 3.7V cells designed for compatible electronics. Each battery measures 65mm in length and 18mm in diameter, featuring a sturdy Li-ion construction that resists memory effect. Pre-charged and ready out of the box, these cells provide consistent power for emergency lights, headlamps, portable tools, and many battery-operated appliances. The flat-top design ensures a snug fit in standard 18650 compartments. Use them immediately after unpackingno complex break-in cycling required. Always store in a cool, dry place and avoid mixing new and used batteries. For safety, never expose to open flame, puncture, or extreme heat. Not intended for vape devices or high-drain applications beyond typical household electronics. Ideal for indoor backup lighting, DIY projects, or keeping essential gear powered during outages. The compact size fits neatly into storage cases, making organization simple. Each order arrives in a single package containing all ten batteries, with an overall package length of 16.0 cm, width of 13.0 cm, and height of 5.0 cm, weighing approximately 290 grams. Rely on these durable cells for everyday portable power needs.
Insert into compatible devices for instant 3.7V output
Each cell measures 65 mm long with 18 mm diameter
Powers flashlights, emergency lights, and portable tools
Built with Li-ion chemistry to avoid memory effect
Store in a dry indoor location away from heat