Product Name: walkie-talkie 18650 lithium Brand: Strong Lixin Energy Model: 18650 lithium battery standard voltage: 3.7V Standard Capacity: 1200-2800mAh main features: a low-carbon, environmentally friendly, mercury-free new formula no memory effect, so that the battery life safer and longer cycle life: 500-1000 times Battery life: 3-5 years Packing: standard / custom-made according to your requirement Delivery time: 7-15 days Warranty: 1 year Advantages: resistance is small, stable capacity, fast charging and High rate discharge, overcharge, and good safety performance. Scope: radio, communication products, lighting products, wireless products, electronic educational products, toys, medical devices, game consoles, model, instrument, backup power, etc.