Cautions:
Please pay attention to the followings, in case of battery overheating, exploding, leaking, and the equipment damaged.
1.When using two or more batteries, please use batteries with the same performance.
2.Do not mix new batteries with used batteries,different charging volume, and different types or brands.
3.Do not mix with AAA batteries.
4. + / - correctly inserted.
5. Install it only when used for equipment, remove it after use, keep it separately from the battery.
6. Do not charge while wearing a spacer.