Smart Charger (1.8A) for 3.7V Li-ion/Polymer Rechargeable Battery Pack / 5.5x2.5mm Female barrel plug

When it comes to Li-Ion batteries, a Smart Charger is the smart way to go. This charger is UL listed and has circuitry to monitor the charge state of the battery and detect when the battery is fully charged, making this a safe way to charge your batteries and maximize their life. This charger is designed specifically for 3.6/3.7V Li-Ion or Li-Poly battery packs with capacities of at least 2200mAh.Specifications

• Input
  • Voltage: 100-240V AC
  • AC power plug type: USA
  • Current: 0.2A
  • Max input power: 16W
  • Rating frequency:50/60Hz
• Dimension (L x W x H): 81mm (3.1") x 52mm (2.0") x 30mm (1.2")
• Weight: 5.2Oz (150 grams)
• Battery: 3.7V Li-Ion/Polymer Battery with capacity >=2200mAh
• Protection: Output shorted and overload protection
• LED Indicator:
  • Red - Charging
  • Green - Fully charged
• Efficiency: > 70%
• Operate Temperature: -10°C (14°F) ~ +40°C(104°F)
• Humidity: <+90
• Charge time = (Ah rate of the pack x 1.5) / 1.8A charge current
  • 1000 mAh = 1 Ah
• Output
  • V_out: 4.2V DC 1.8A
  • Power off: CCCV charging mode, and power off when battery voltage reaches 4.2V
  • Connector Type - Choose Between:
    • 5.5 x 2.5mm Female Barrel Jack
    • 5.5 x 2.1mm Male Barrel Plug

Caution:

• 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 >2200mAh
• Indoor use only! Please avoid water
• High-voltage inside charger, Do NOT open the cover