Description:
Basen BO4 is a intelligent charger with temperature adjustment function. The product has four independent charging channels, it can charge four lithium batteries at the same time. Users can choose different charging current to meet the needs of slow charge or fast charge. And the charger will display the status of each rechargeable battery when charging.
The product has special charge and discharge management circuit. With multiple security protection settings, the charger can effectively prevent reverse, short circuit, overcharge, over discharge, over-current damage to the battery, which makes users using the product without any safety concern.With wide compatibility and strong practicality, this product can charge different types of DC 3.7V cylindrical lithium batteries. 

Specifications:
Input: USB DC 5V-2A
Charging current:
0.5A 500m A±10%
1.0A 1000m A±10%
2.0A 2000m A±10% (Channel 4 only)
Max. Charge Voltage: 4.20±0.05V
Compatible with:IMR/Li-ion: 10440 14500 14650 16340 16650 17650 17670 18350 18490 18500 18650 18700
                                             22650 20700 21700 22700 25500 26650 26700 (Not for AA or AAA batteries).
Activate current: 10mA~20 mA, battery voltage <2.9V
External power supply standby current <20.0mA
Storage temperature: -40℃~+70℃
Usage environment: -20℃~65℃

Package included:
1 X Basen BO4 Battery Charger
1 X Charger Cable 
1 X User Manual
1 X Warranty Card