5000mAh Detachable Battery

5000mAh rechargeable lithium battery, a single battery takes about 3 hours to fully charge, can continuously supply oxygen for 3 hours, and has a service life of 2-3 years. It is detachable and can be quickly replaced, suitable for long-term outdoor use. (Note: Please fully charge the battery before using it for the first time. After fully charged, it is normal for the battery power to be between 95%-100% to maximize the battery life.)