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Custom Smart Gang Charger: 10/20 Channels 3.7V (0.5A) Li-ion/Polymer Battery Charger

Option 2: CH-CU-J721-V1 (20 Ch)
Your Price: From $220.00 to $395.00
lead time 2 weeks

Product Options

10/20 channel option:


  • Custom 10 channel 3.7V 0.5A Gang Charger that can charge 10 x 3.7V Li-Ion batteries at the same time!
  • Reside in 1 x Plastic Enclosure (PN: BOX-120)
  • 1 x Detachable AC input power cord with on /off switch (110-240Vac)
  • 10 individual charging LED (Red - charging) (Green - full)
    • Output: max 3.0' long 5.5x2.1mm Male plug
  • Dimensions (LxWxH):
    • P/N CH-CU-J721 10 channels: 261mm(10.25") x 184mm(7.25") x 77mm(3")
    • P/N CH-CU-J721-V1 20 channels: 514mm(20.25") x 184mm(7.25") x 77mm(3")
  • Weight: 3.0 lbs 3.8Oz (1470 grams)

Below is the detail specification for individual charger:

Product A smart battery charger designed to charge 3.7V Li-Ion/Polymer battery with capacity  ≥700mAh.
  • Voltage: 100 -240VAC
  • AC power plug type: USA 
  • Max.  input power:15W
  • Rating frequency:50/60Hz
Output Connector Type
Dimension(LxWxH) 225mm(8.9") x 148mm(5.8") x 58mm(2.3")
Weight 2.0lbs 7.0Oz (1100grams)
Protection Output shorted and overload protection
LED Indicator
  • Red - Charging
  • Green - Fully charged
Efficiency >60 %
Operate Temperature -10oC(14F) ~ +40oC(104F) 
Humidity <+90
Charge time = (Ah rate of the pack x 1.5) / 0.5A charge current
Specification Please download Specification


  • Check battery polarity before connecting to charger. We are NOT liable for any damage due to wrong polarity!
  • This is for 3.7V Li-Ion/Polymer battery with capacity  >700mAh 
  • Indoor use only! Please avoid water
  • High-voltage inside charger, Do NOT open the cover as it will void the warranty
  • One year warranty
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

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