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Item#: 9SIA2EY0SY1520

Combo: Tenergy 2CH 18650/14500 Li-ion Battery Charger + 4 PCS Li-ion 18650 3.7V 2600mAh Batteries (Button Top) w/ PCB

Ships from United States. Most customers receive within 6-10 days.

Sold and Shipped by Tenergy a-seller

Purchases from these Sellers are generally covered under our Newegg Marketplace Guarantee.
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WARNING: This product can expose you to chemicals including one or more listed chemicals which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, go to

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Features and Benefits

  • Worldwide voltage for 100-240V AC

  • Two independent charging channels for individual charging and detection

  • Constant current and constant voltage charging mode

  • Reverse polarity protection. It automatically terminates charging and the LED flashes red when the polarity is reversely connected

  • Compact design

  • Portable

  • Safe


  • Input: DC 12V 1000mA

  • Output: DC 4.2V 1000mA per channel

  • Applicable battery type: 18650/14500 rechargeable Li-ion battery


  • Don't disassemble the charger

  • Don't charge other types of battery. It may cause explosion and breakage

  • The charger is only for in-house using and should be kept away from heat surrounding

  • Keep the charger away from humidity circumstances and no liquid is allowed to get in, otherwise it may cause damage and lead to accident

  • It should be placed out of children's reach

  • It may not be able to fully charge those batteries which have not been used for a long time. Several recycles of charge-discharge will improve the battery's performance

* Please carefully read the instruction before using!

Li-ion 18650 Cylindrical 3.7V 2600mAh Rechargeable Batteries (Button Top) with PCB

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


  • Lighting or other device that needs 3.7V power

  • Building portable power device needing high energy density and low weight


  • 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

  • The battery is/are not suitable for e-cig mod.

  • 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

Learn more about the Tenergy 844949009898


Warranty, Returns, And Additional Information
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