Product specification：
- Brand Name: TANGSPOWER
- Input: AC100-240V 50/60HZ 0.8A
- Charging voltage: DC 21V
- Charging current: 2A
- Charging mode: CC-CV
- Charge indicator: Red light = charging, green light = fully charged
- Charger port: DC 5.5mm * 2.1 mm
- Dimensions: 94 x 47 x 33 mm
- Security protection: OVP/OCP/overload protection/short-circuit protection
- Application: Lithium batteries (lithium-ion batteries, lithium polymer batteries) the nominal voltage of the battery pack is 18V-21V
- Plug: EU / US(Please choose the plug of your country, we will ship the plug according to your choice, if you don’t know the plug of your country/region, please contact Tangspower customer service, thank you.)

- Purchase Notes:Please make sure whether your battery model matches the Tangspower charger, and make sure that the positive and negative poles of the Tangspower connector are the same as your original charger. If the positive and negative poles are different, the Tangspower charger will always display a green light and cause it to fail to charge.

(If you are not sure about the battery model or the positive and negative poles of the connector, please contact Tangspower customer service before purchase)
- After-sales service: The charger does not work after receiving the package, please contact Tangspower customer service in time, Faulty charger We will refund or re-delivery, Do not give negative feedback immediately, Please contact Tangspower customer service, Thank you! If you use a multimeter to test the charger, please fully charge the multimeter for testing. There will be errors when the multimeter is not fully charged.If the test results are not satisfied, please contact Tangspower customer service, thank you!

Package included:

1Pcs 21V 2A Charger

Protective functions:
1. Input over-current protection
When the input current is greater than 2A, the charger will cut off the fuse to avoid internal circuit abnormalities causing fires and other risks.

2. The output current protection
Li-ion battery charger for charging current is limited to a range to maintain battery safety and battery life.

3. Short-circuit protection
When the charger is improperly used, the charger output current will be 200mA or less to avoid damage.