Product Description： APPLICABLE:21V 2A Battery Charger Compatible with weed wacker wireless car wash water gun battery charger grinder charger Electric wrenches battery charger drill battery charger Mini Chainsaw Battery Charger Cordless Small Electric Portable Handheld Chainsaw Accessories. Professional lithium-ion battery charger, perfect to replace your broken or lost one, widely used for weed wacker, mini chainsaw,electric drills,car wash water gun.hedge trimmers and other power tools.
 Specification:
Battery Charger Model: 2120
Input:AC110-240V 50/60Hz
Material: ABS
Color: Black
Output: DC21V=2A
CAUTION:Danger of high pressure inside,use in sdry place.
Charging time: 3-4hours, the indicator Green light(on your charger) will be always on when battery fully charged.
Package list:
1 * Lithium Battery Charger
Safety Information
 Important safety instructions - please keep these instructions . Danger - To avoid the risk of fire or electric shock, please carefully follow the following instructions .
1. This device is not suitable for use by individuals with decreased physical, sensory, or intellectual abilities, or lacking experience and knowledge, unless they have learned how to use the device under the supervision or guidance of personnel responsible for their safety. 
2. This charger is only used for the original rechargeable lithium batteries in our store and cannot be used to charge any other brand of lithium batteries, otherwise it may cause harm to personnel and property. 
3. The chargers should only be used indoors and in dry places. Warning: It is strictly prohibited to charge any non rechargeable batteries! 
4. The power socket should be installed near the equipment and easily accessible.
5.If the lithium battery charger is damaged or defective, it should not be repaired or used again. 
6.If the lithium battery charger is damaged or no longer charging, please contact the seller. 
7. The lithium battery charger should be placed correctly in a horizontal or floor mounted position. 
8. The power cord equipped with the charger is used to connect to normal household voltage.
The power unit can operate at different input voltages without the need for user adjustment. 
How to use a charger
1. Connect the charging port of the charger and battery completely correctly. (Avoid damaging the port structure due to excessive force.)
2. Insert the power plug of the charger into the power socket. When the red LED indicator light is on, the charger enters charging mode. If the power plug is plugged into an power outlet without connecting the battery, the green LED will light up, indicating that it is in normal standby mode.When the battery is fully charged, the LED indicator light will turn green. After charging is complete, unplug the power plug of the charger and then remove the battery. Please note that different brands and models of lithium battery chargers may have specific functions and operating details. Therefore, before use, carefully read the accompanying product manual to ensure correct and safe operation of the charger.