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Batteries (CBT Cells)


The history behind CBT Cells

Being aware of the serious safety issues surrounding some of the batteries which are sold by many of the Chinese discount outlets and off eBay, with pretty outer wrappings but ugly inner workings, outrageous mAh ratings and protection which doesn't protect , we set out to have the ultimate batteries designed and built for us, here at CustomBuildTorches.
Having built strong and supportive relationships with the manufacturers, we are proud to offer our range of rechargeable protected 18650 Lithium-ion CBT Cells.
The range topping  "CBT 18650 3400mAh"  battery offers the most comprehensive safety package available along with the industries highest genuine mAh rating.
We are the first company within Europe to offer a battery containing the Panasonic NCR18650B cell combined with top of the range IC protection, courtesy of Seiko.

CustomBuildTorches CBT Cells offer safety, quality build, long battery life span, long run times with accurate mAh ratings.  


CBT Cells battery safety and protection features

  • Over-discharge protection
  • Over-charge protection
  • Over-current protection 
  • Over-temperature protection
  • Short-circuit protection
  • Added double wrap short-circuit protection
  • Recoil IC protection
  • Anti-explosion thermal and pressure venting/PTC Module  protection

In addition to the added electronic protection referred to as IC or PCB (integrated circuitry or printed circuit board), these high quality cells have an in built mechanical protection against the build up of heat and pressure.  This protection is to prevent the possibility in very extreme cases of explosion.  The latest advance in inbuilt thermal and pressure protection actually stops the chemical reaction by separating the electrodes inside the cell when the pressure reaches a predefined threshold. The vent disc then opens and releases the gas and excess pressure. 

Please read the Lithium-ion battery & charger safety information sheet before using or charging these batteries


What you will receive

The CBT Cells will be delivered to you in pairs, heat shrink wrapped and contained within a plastic protective case.
Each battery will be partially charged around the recommended 40% safe level, so will need charging after purchase.

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CustomBuildTorches batteries (CBT Cells)
are available with either "nipple" or "button top"
Left image: "Nipple Top"
Right image "Button Top"
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CustomBuildTorches CBT Cells 3400mAh Protected Li-ion Rechargeable Battery
Core Cell:  Panasonic NCR18650B 3400mAh (Made in Japan) 
 

Item Specification:
Nominal Capacity:  3400mAh 
Nominal Voltage:  3.6V-3.7V
Protection ICs:  Seiko (Made in Japan)
Cell:  Panasonic NCR18650B (Made in Japan)
Weight:  46g
Diameter:  18.5 mm (+/- 0.03)
Height:  69.00 mm  (+/- 0.03) 

More details:
Nominal Capacity:  3400mAh (0.2C, 2.50V discharge)
Minimum Capacity:  3250mAh(0.2C, 2.50V discharge)
Charging Voltage:  4.2 ±0.05 V
Nominal Voltage:  3.6V
Charging Method:  CC-CV (constant voltage with limited current)
Charging Current:  Standard charge: 170mA  ~  Rapid charge : 3400mA
Charging Time:  Standard charge : 3hours  ~  Rapid charge : 2.5hours
Max. Charge Current:  3400mA(ambient temperature 25℃)
Max. Discharge Current:  6800mA(ambient temperature 25℃)
Discharge Cut-off Voltage:  2.50V
Built in Safety Circuitry
Built in IC Recoil protection 
Cell Weight:  48.0g max
Cell Dimension:  
Height: 69.00 mm max
Diameter: 18.5 mm max
Operating Temperature:  Charge : 0 to 45℃  ~  Discharge: -20 to 60℃
Energy (Wh): 12.2 Wh
Energy Density (Wh/L): 730 Wh/L
Chemical Composition: Li-ion (Lithium-Ion)
Protection: Overcharge , Overdischarge, Overcurrent, and dual short circuit protection.
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CustomBuildTorches 3100mAh Protected Li-ion Rechargeable Battery 
Core Cell:  Panasonic NCR18650A 3100mAh (Made in Japan)
  
 

Item Specification:
Nominal Capacity:  3100mAh 
Nominal Voltage:  3.6V-3.7V
Protection ICs:  Seiko (Made in Japan)
Cell:  Panasonic NCR18650A (Made in Japan)
Weight:  46g
Diameter:  18.5 mm (+/- 0.03)
Height:  69.00 mm  (+/- 0.03)

More details: 
Normal Capacity: 3100mAh  (rated at 0.2C discharge 4.2V - 2.5V @ 25°C)
Minimum Capacity: 2950mAh 
Normal Voltage: 3.6V
Quality Lithium Ion rechargeable cell
Built in Safety CircuitryBuilt in IC Recoil protection 
Maximum capacity and reliability
High Discharge Rate (Max 2C)
Protection Circuit (Against overcharge, over discharge, over current and short-circuit.)
4.2 volts max voltage and 3.6-3.7 volts nominal voltage
Operating Temp. : Charge 0 to 45°C / Discharge -20 to 60 °C
Recommended Charge Rate : max. 2170mA ( 0.7C ) - ambient temp. 25 °C
Max. Discharge Rate : 6.2A ( ambient temp. 25 °C )
Dimensions :18.50 X 69.20mm ( +/- 0.3mm ) 
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CustomBuildTorches 2600mAh Protected Li-ion Rechargeable Battery 
Core Cell:  Sanyo UR18650FM 2600mAh (Made in Japan)
 
 

Item Specification:Nominal Capacity:  2600mAh 
Nominal Voltage: 3.7V
Protection ICs:  Seiko (Made in Japan)
Cell:  Sanyo UR18650FM (Made in Japan)
Weight:  46g
Diameter:  18.5 mm (+/- 0.03)
Height:  69.00 mm  (+/- 0.03) 

More details:  
Normal Capacity: 2600mAh
Minimum Capacity: 2500mAh 
Normal Voltage: 3.7V
Quality Lithium Ion rechargeable cell
Built in Safety Circuitry
Built in IC recoil protection
Maximum capacity and reliability
High Discharge Rate (Max 2C)
Protection Circuit (Against overcharge, over discharge, over current and short-circuit.)
4.2 volts max voltage and 3.6-3.7 volts nominal voltage
Dimensions :18.50 X 68.90mm ( +/- 0.3mm )  (Button top battery)
Dimensions :18.50 X 69.00mm ( +/- 0.3mm )  (High top battery)  
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To purchase any of these products please "click here"

CustomBuildTorches offer a range of Duracell's professional range of non-rechargeable Alkaline batteries
These are ideal for the torch application


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  • Home
    • Science of Light
  • Gun Mounted torches
    • Mini-Lamp Focus
    • Mini-Lamp Zoom
    • Universal Field Torch (gun mounted)
    • Searchlight
  • Filters & Mounts
    • Details of: Filters
    • Details of: Mounts
  • Batteries & Chargers
    • Details of: Batteries (CBT Cells)
    • Details of: Battery Chargers
    • Lithium-ion battery safety information
  • Torches & Accessories
    • Details of: Universal Field Torch Kit
    • E.D.C. pocket torch
  • About us & Photos
  • Contact Us
    • Warranty & Returns Policy
    • Shipping details
    • Customer feedback
    • Stockists
    • Trade customers