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XTAR OVER 4 SLIM 4.1A Fast Charger

Included: charger, 12V 4A wall adaptor, power cord, user manual, package.
· Max 2x4.1A, the fastest charger ever
· Impressive low temperature rise
· Battery internal resistance testing protection
· Battery temperature testing with overheat protection
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XTAR OVER 4 SLIM Charger, Fast and Safe.


• Max 2x4.1A, the fastest charger ever
• Impressive low temperature rise
• Battery internal resistance testing protection
• Battery temperature testing with overheat protection

• 1A/2A/4.1A optional current for each slot

• Dual 5V/2.4A USB ports, can be used as a charging hub

• Informative LCD screen display 


Compatible Batteries:
3.6V/3.7V Li-ion/IMR/INR/ICR:
18650 20700 21700 22650 26650



Model O4S
Input DC 12V 4.0A
1.0A Constant Current 1000+50mA
2.0A Constant Current 2000土80mA
4.1A Constant Current 4100土120mA
End of Charge Voltage 4.20土0.05V
1.0A/2.0A End of Charge Current ≤100ma
4.1A End of Charge Current ≤150mA
USB Output (5V2.4A) x2
Operating Temperature 0-40°C
Size L75mm X W149mm X H33mm
Net Weight 173g


Package Included:
1 x charger
1 x 12V 4A wall adaptor
1 x power cord
1 x user manual

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