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The X4 is BlackCell’s flagship charger, featuring four independently adjustable battery bays. each battery is recognised and adjusted thanks to BlackCell’s Microcontroller technology, while all charging voltages are displayed in real time.
The X4 has four independently adjustable battery bays, which are automatically adjusted for Li-Ion, Ni-MH, NiCd and LiFePO4 batteries.
1. This charger is only compatible with cylindrical Li-ion (3.7V output), Ni-MH/ Ni-Cd (1.2V) and LifePO4 (3.2V) batteries.
2. Read the instruction carefully before charge. Do not charge batteries with a current higher than the recommended current (500mA/1000mA/2000mA).
3. Use a 12V/2A adapter to charge batteries.
4. Be aware, heat dissipation may cause burns.
5. Remove the power cable when the charging is complete.
6. Do not charge in extreme conditions (too high or too low temperature).
1. Slots: Each of the slots can charge and monitor a battery independently. When connected to a power source, hold the “slot” button for 3 seconds in order to select either 500mA, 1000mA，2000mA charging current options. When batteries are inserted, press the “slot” button in order to select the Li-FePO4 battery type. Charging will begin within 5 seconds after the battery type (3.20V or 3.7V) is confirmed.
2. LCD: When connected to a 12V power source, all LEDs will light up. If no batteries are installed, a “Null” symbol will be displayed followed by a 0% sign on the dashboard. The charger is capable of selecting the battery type automatically, once a Li-on battery is inserted however, Ni-Mh or Ni-Cd batteries will not be detected.
Press the slot button once, in order to check the charging status and charging time of the batteries installed. Once charging is complete, the “END” symbol will be shown.
The “USB” text will be shown on the display when the charger is used as a power bank. The USB and 12DC charging functions cannot be used at the same time.
1. Four independent, micro-controlled charging slots allow for simultaneous charging.
2. Selectable charging current (500mA/1000mA/2000mA)
3. Backlit digital display showing battery type, battery voltage, charge current, charging time and battery capacity.
4. Battery power status detected and the appropriate voltage is selected automatically.
5. Automatically detected Li-ion Ni-MH Ni-Cd batteries. LiFePO4 batteries must be manually selected.
6. 0V voltage activation function is enabled. Batteries between 1.65-1.85V cannot be charged (but there will be activated).
7. Integrated overcharging, overheating, overvoltage, overcurrent, battery detection, and discharge protections.
8. Charging mode: constant current and constant voltage
9. DC input, working power supply 12V-2A.
10. With standard 5V/1000mA, USB automatic identification output function.
|Output voltage||1.42v±0.05v, 4.2±0.05v，3.65±0.05v|
|Charging mode||Constant current and constant voltage|
|Constant voltage cutoff current||<100mA|
|External power supply standby current||<15.0mA|
|Weight||327g (Only charger)|
|Compatible with||IMR/Li-ion/LiFePO4: 26650 22650 18650 18400 18350 17670 17500 18340 14500 10440 21700 20700
Ni-MH/Ni-Cd: AA, AAA, AAAA, C
1. USB output load voltage: 4.90-5.30V
2. Output current: 1000mA
3. Floating current: ＜1mA
4. When load current is 1000mA, USB output voltage is 4.75-5.25V
5. Cutoff output protected voltage: 3.0±0.1V
1. The X4 should only be used to charge Li-ion IMR, LiFePO4, and Ni-MH/Ni-Cd rechargeable batteries. Please do not use X4 to charge any other battery types, as this could result in a battery explosion or failure, cause property damage, and/or injury to the user.
2. The X4 charger should only be used indoors or inside a vehicle. Under no circumstances should the charger be exposed to water, high humidity, and low or high ambient temperatures.
3. Do not disassemble or modify the charger.
4. Please use appropriate voltage AC 100-240V.
5. Children under 18 should be supervised by adults when using this charger.
6. The safe operating temperatures are between 0°C-35°C 32°F-95°F.
7. Avoid dropping the charger and do not rest heavy items on the unit.
8. If any problems with batteries or charger, please unplug the power cord immediately.
The X4 Charger can be exchanged for a replacement by authorized distributors within 180 days If there are any product issues.
The warranty is invalid in any situation below:
1. The product(s) is/are broken, reconstructed and modified.
2. The product(s) is/are damaged by leakage of batteries.
3. The product(s) is/are damaged by improper use.