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Ultra High Energy Li-Ion 18650 Battery: 18.5V 2800mAh (51.8Wh, 4.2A rate) Battery Pack with PCB (4.2)- - UN 38.3 Passed

Your Price: $65.95
In Stock

Product ID # 5717
Part Number:

Lead Time: 5 Business Days!

  • 18.5V 2.8 Ah Li-Ion Battery pack is made of 5 pcs Ultra high Energy High quality Sanyo/LG/Other Top Brand Korea 2800mAh Li-Ion 18650 Cell and packed 5 in series
  • The battery pack is wrapped by Black Plastic heat shrink tube
  • Energy Density: 199.2 Wh/kg, Charging cut off voltage: 21.75V --- So call Ultra High Energy Density batteries
  • 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 
 Voltage        Voltage: 18.5V (working)   21.75V ( peak)  12.5 V ( cut-off)
  • Norminal: 2800 mAh (51.8 Wh)      
  • Minimum: 2700 mAh  (49.95 Wh)    
  • One PCB (7.0A limited) installed with the  battery pack and protects the battery from
    • Over-charge       (>21.75V)
    • Over-discharge  ( < 12.5 V)
    • Over drain ( >7.0 Amp)
    • Short circuits
  • One 4.2 Amp polyswitch installed to limit max. discharging current and to protect wrong polarity  
Max. Discharging Rate
  • 4.2A limited by Polyswtich

92mm(3.6") x 71mm(2.8") x 25mm(1.0")

Weight  9.2Oz (260 grams)  
 Smart Tips
  • Perfect for replace 17V -19.2V NiMH or NiCd battery packs for hunting light
  • Can run 30 W max. Halogen light , burn-time is about 3 hours  ( don't use this pack for > 30W halogen light, PCB will cut power off)
  • Li-Ion battery may be exploded if misusing.  We are not responsible for any damages or losses caused by misusing (included but not limited to: improper charging/discharging, any changes of this battery pack, misassembling battery packs) .
  • Always charge battery with attention.  Battery pack shall be placed on a fire-proof place to avoid any accident
  • Please check battery polarity before plug battery into light. Never make wrong polarity connection.
  • Must read before place an order. Please download fill the form and fax back to 510-439-2808. Attn: BatteySpace-Tech.
  • For safety warning please see the link here

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UN 38.3 Safety Test

We already set up our own UN38.3 testing lab. We can provide UN38.3 test service to our customer now.

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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