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Smart Charger (1.8A) for 3.7V Li-ion/Polymer Rechargeable Battery Pack

Your Price: From $16.95 to $19.95
Lead Time: 5 Business Days

Product Options



  • This smart battery charger designed to charge 3.7V Li-Ion/Polymer battery with capacity >= 2200mAh.
  • Automatically cut-off power when battery pack is full at 4.2V
 Input      100 -240VAC 50/60Hz / US AC power plug
 Output      4.2V
 Charging Current
  • 1.8A
  • Charge time = (Ah rate of the pack x 1.5) / 1.8A charge current
 Protection      Reverse Polarity and over charge protection
LED Indicator
  • Red - Charging
  • Green - Fully charged
  • Dim Green/no LED - you are trying to charge a fully charged battery.
    • Solution - discharge/drain the battery first and recharge again.
Dimension (LxWxH)      81mm(3.1") x 52mm(2.0") x 30mm(1.2")
Weight      5.2Oz (150grams)

Please Download the Specification here

Connector Options


  • Check battery polarity before connecting to charger.
  • This is for 3.7V Li-Ion/Polymer battery with capacity >2200mAh
  • Indoor use only!
  • Do NOT open the cover as it will void the warranty.
  • This charger is for charging rechargeable Li-ion battery with PCB ONLY.
  • One year warranty

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Product Reviews

(1 Rating, 1 Review) Average Rating:
items are working now, will buy again
rmsecurity (Miami, FL) 6/27/2012 2:37 PM
The attention was great, wrote me to clear the order, it took a little bit too long to get in the UPS, but arrived OK, and the items are working now, will buy again Rafael Martinez Bogota Colombia

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