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

• 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
• Optional for 1 pc A 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 

  

• 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  

• Charge / Discharge terminal: 6" long 18AWG wire without connector
  • Red = Positive
  • Black = Negative
• Need a connector? please find here

• 4.2A limited by Polyswtich

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

• To reach max capacity of 2800mAh, you MUST charge the battery to 21.75V (4.35V/cell). However, our smart chargers below DO NOT support 21.75V. (21.0V cut-off, 21.0V fully charge instead)
  •   1.5A Universal Smart Li-Ion battery charger  to recharge this battery pack. The estimated charging time is 2.8 hours
• In order to fully charge battery pack to 2800mAh, You may set charging voltage to 21.75V (4.35Vx5) by
  • Precision AC- DC Power Supply: Dual Channel 0-30V , 5A max or 0-60V single channel
  •  Universal Smart Charger: 0-105VDC, 0-10A for Any Li-Ion Battery Pack up to 24 cells in series
• Need a Li-Ion 18.5V smart charger (21.75V cut-off) ? Please call us for order
• Connect two or three  2.8Ah module in parallel, you can get  5.6Ah or 8.4Ah  battery pack at 18.5V

• 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