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Tenergy Li-Ion 18650 Cylindrical 3.7V 2600mAh Button Top Rechargeable Battery w/ PCB (Retail Card) ==SHIPS GROUND ONLY== 30049 - All Spectrum Electronics
Tenergy Li-Ion 18650 Cylindrical 3.7V 2600mAh Button Top Rechargeable Battery w/ PCB (Retail Card) ==SHIPS GROUND ONLY== *Currently unavailable. We don't know when or if this item will be back in stock.*
Model # 30049
 $13.90 
Tenergy Li-Ion 18650 Cylindrical 3.7V 2600mAh Button Top Rechargeable Battery w/ PCB (Retail Card) ==SHIPS GROUND ONLY==
Tenergy Li-Ion 18650 Cylindrical 3.7V 2600mAh Button Top Rechargeable Battery w/ PCB (Retail Card) ==SHIPS GROUND ONLY==
Click to enlarge
*Currently unavailable.*
*We don't know when or if this item will be back in stock.*

Note: This Button Top Version is most suitable for Flashlights that uses Cylindrical 18650 Li-Ion Cells.


Features and Benefits

  • Unique and New! With PCB protection!
  • Li-Ion 18650 cylindrical rechargeable batteries with Internal Voltage protection PCB!
  • Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V.
  • Unique PCB design and patent pending.
  • 3.7V 2600mAh high capacity
  • Higher energy density and lower weight than other rechargeable batteries
  • Manufactured under ISO9001-2000 to assure quality
  • Battery tested based on International Electrotechnical Commission (IEC) standard to ensure capacity, quality and life time   

Applications

  • Lighting or other device that needs 3.7V power
  • Building portable power device needing high energy density and low weight

Warning

  • CAUTION: when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mis-handled.
  • User should have enough knowledge on Li-Ion rechargeable batteries in charging, discharging, and assembly before use.
  • Put the batteries in fire-proof container
  • Do not put batteries on wood surface or carpet when charging
  • Never leave battery un-attended when charging
  • We are not responsible for damage of any modification of the batteries in form, shape or made into packs
  • We are not responsible for any damage caused by misuse or mishandling of these Li-Ion batteries

Product Specifications

  • Capacity* Nominal  2600 mAh, Minimum 2500 mAh
  • Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.35V.  UNIQUE INTERNAL PCB!
  • Dimensions:
      Diameter: 19 mm
      Height: 69.5 mm
  • Weight (Typical) Approx. 50 g
  • Nominal Voltage: Average 3.7V
  • Discharge Voltage: 3.0V
  • Internal Impedance: less or equal to 130  milliohm (with PTC)
  • Cycle Performance: 90% of initial capacity at 400 cycles
  • Cycle life: > 500 cycles
  • Standard Charge Current: 0.2C (Cut-off Current: 0.01C)
  • Fast Charge Current: 0.5C (Cut-off Current: 0.01C)
  • Standard Discharge Current: 0.5C (End Voltage = 2.75V)
  • Max. Discharge Current: 1.5C

Internal PCB Specifications:

Item Content Criteria
Over Charge Protection Over Charge Detection Voltage 4.325±0.05V
Over Charge Release Voltage 4.125±0.10V
Over Discharge Protection Over Discharge Detection Voltage 2.5±0.10V
Over Discharge Release Voltage 2.9±0.10V
Rated Operational Current 3.5A
Over Current Protection Over Current Detection Current 6-8A
Release Condition Cut load
Detection Delay Time 8.0~16.0ms
Short Circuit Protection Detection Condition Exterior Short Circuit
Release Condition Cut Short Circuit
Interior Resistance Main Loop Electrify Resistance VC=4.2V; RDS≤40mΩ
Current Consumption Current Consumption in Normal Operation 4.0μA Type 8.0μA Max
Dimension (LxWxH) R8.65 x 0.5 mm

*Note: do not use Button Top version with Tenergy Multifunctional Charger.

This product was added to our catalog on Monday 03 September, 2012.
Reviews *Currently unavailable. We don't know when or if this item will be back in stock.*
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