YLY Power is a rechargeable 7.4V lithium-ion battery manufacturer based in China. We stock small and compact 7.4V lithium batteries with PVC or plastic cases, which are widely used for RV power supplies, outdoor camping power supplies, sightseeing cars, solar street lamps and etc….

We use the latest lithium battery technologies to make the 7.4v rechargeable lithium battery, just to make sure you can get the highest quality and less or even no customer returns, we work with you to do the label shrink wrap, custom ends, or enclosed in plastic.

We focus on the best and cheap small design products, which are the most cost-effective, environmentally friendly and exceed all their specifications, we will never let you down, You can get more of our certificates including MSDS UN 38.3, IEC, KC, etc.