💡【Sincere capacity, you deserve it】If you are looking for a high quality and durable 1865 rechargeable battery, try it - It doesn't exaggerate the battery's capacity, just honest: it's Only 2200mAh. Its battery capacity is neither too much nor too little, but enough to give you more than 6 hours of standby time.What you see is what you get, An 1865 rechargeable battery that works diligently and safely for you. (No Standalone lithium batteries are sold with the product) 🔋【Built to last and light your way home】High-quality and stable original battery cell prevents the battery from discharging automatically, which can maintain the power better. It is the flashlight that illuminates your way home in the darkness of the night, and the energy Superman that accompanies your children to play with their toys during the holidays. At the moment, No more worrying about whether you need to replace the 3.7V 1865 rechargeable battery frequently. Enjoy every Wonderful moment 🛡️【create new styles，Made for charging】It is worth mentioning that We have paired you with unique Battery base which is newly manufactured in our factory. Give your beloved speakers, Echo dot, Hatch Rest, Sleep Sound Machine a new removable home (support output 5V 2A). Your Sound Machine are free from the shackles of the socket. It's wherever you want it to be! We thoughtfully prepared 1865 rechargeable battery for you to together use with it. Keep your speakers playing for another 6 hours! ⚡【Details determine Quality，Customized for you】After 3 years of technical innovation, The charging scheme for the battery internals focuses on enhanced protection from overheating devices. It has a recyclable life of up to 500+ Tech . (Results from Matbc Labs aging tests) No need to buy 1865 rechargeable battery frequently, your best choice!(PS: 3.7V 1865 rechargeable battery button top—2.56*0.71inch) 👍【10 years to sharpen a sword, believe in the power of the brand】We are a 11 year Factory focused on the design of various types of the 3.7V rechargeable battery and Battery Base. Strict standards of testing, rigorous manufacturing of each process, so that each link is excellence, only for your peace of mind.Moreover, our 24-hour Customer Service + 90 days free return + 360 days warranty, so you after-sales worry-free! Matbc Universal 3pack 2200mAh lithium ion 3.7v 18650 rechargeable battery button top protected with 3.7V rechargeable battery base for echo dot, Hatch Rest, Sound Machine(No Standalone lithium batteries are sold with the product)