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Polymer Li-Ion Battery: 14.8V 2.5Ah (37Wh, 4.2A rate, 544792-2C) Rechargeable Battery (3.0)

Option 1: Open End Wire Only
Option 1: Open End Wire OnlyOption 2: with Trail-Tech female co-axis connector
Your Price: From $69.95 to $74.95
Lead Time: 5 Business Days

Product Options

Connectors:
 *Important Shipping Regulation        This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
 Packing              
 Voltage        14.8V (working)   16.8V ( peak)  11.0V ( cut-off)
 Capacity        2500 mAh min. (37 wh)
 Protection
  • OnePCM with balance function (10A max.) is installed with the battery pack to protect battery from
    • Over-charging beyond 4.25V/cell
    • Over-discharging below 2.75V/cell
    • Over-drain beyond 10A
  • Balance battery's voltage within 4.25V +/-0.2V during charging 
 Pre-wired
 Max. Discharging Rate        One 4.2 Amp polyswitch  installed to limit  max. discharging current at 4.2A
 Dimensions (LxWxH)        95mm (3.7") x 50mm(2.0") x 30mm(1.2")
 Weight        311 grams (11.0 Oz)
 Related Products
  • Smart Charger: for estimated charging time of 3.75 hours, please choose our 1.8A Smart Li-Ion battery charger
  • Need a DC - DC regulator? Please click here
  • Need connectors to DIY? Please order here.
  • Fire Retardant Bag: 295mmx230mmx75mm --- Reduce the chance of damage if caught fire
    • This Fire Retardant Bag (Li-Ion Safer Bag) is intended to reduce the chance of damage in the event of catching fire.
    • Must locate & seal the battery pack in the bag  while charging / leaving without any attention
 Warning
  • Li-Ion battery may explode if misused.  We are not responsible for any damages or losses caused by misuse (including but not limited to: improperly charging/discharging, any changes of this battery pack, mis-assembling battery packs).
  • Always charge battery with attention.  Battery pack shall be placed in a fire-proof place to avoid any accidents.
  • Please check battery polarity before plugging battery into light. Never make wrong polarity connection.  Please check
  • For safety warning please see the link here 
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings
  • option 1/ option 2

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UN 38.3 Safety Test

We own a national standard UN38.3 testing lab. We can provide UN38.3 test service to our customer.

If you want to set up your own lab, we also provide UN38.3 & IEC62133 equipments and onsite training. Email us for the quote and lead time.
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