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Fitorch UC34R 18650 3400mAh 3.7V Protected Lithium Ion (Li-ion) Button Top Battery

Brand: Fitorch
Brand: Fitorch

Fitorch UC34R 18650 Protected Li-ion Battery with Built-in Micro-USB Port

3.7V 3400mAh 12.24Wh

The new Fitorch UC34R 18650 is one of Fitorch's newest batteries that has the unique feature of being capable of direct recharge with any standard micro USB cable. Charge your battery anywhere easily without having to buy a separate charger. The built-in micro USB charge port is located at the positive end of the battery with the LED charge indicators directly above that. These indicators allow for real-time monitoring of your charging process so you don't have to wonder if the battery is done charging. The 3400mAh capacity allows for long run times and extended use, ideal for specialty electronics and high performance flashlights. The lithium ion chemistry provides safe energy storage that is capable of being recharged up to 500 times as well as a stable shelf life of up to 3 years. Safeguarded with a built-in PCB (Protection Circuit Board), this battery is protected from short circuiting, over charging and over discharging.

If you choose to not use the direct recharging or do not have access to a micro USB cable, the UC34R can also be charged with a compatible Li-ion charger. We offer a variety of smart chargers with different features and channels. Browse our selection of Li-ion smart chargers here!


  • Built-in Micro USB charge port for easy charging
  • LED charging status indicators on positive end for real-time monitoring
  • High capacity of 3400mAh
  • Rechargeable hundreds of times over
  • 3.7V of reliable Li-ion power
  • Built-in PCB for multiple safeguards
  • Perfect for specialty electronics and flashlights

Technical Specifications:

  • Battery Size: 18650
  • Battery Chemistry: Lithium Ion (Li-ion)
  • Terminal Type: Button Top
  • Rechargeable: Yes
  • Protected Cell: Yes
  • Protection: PCB
  • Built-in Charge Port: Yes - with Charge Status Indicators
  • USB Port Input Current: 680mA
  • Nominal Voltage: 3.7V
  • Nominal Capacity: 3400mAh, 12.24Wh
  • Max Charging Current: 2A
  • Recommended Charging Current: 1A
  • Peak Voltage: 4.2V
  • Cut-off Discharge Voltage: 2.8V
  • Estimated Charge Cycles: 500 cycles
  • Shelf Life: 3 Years
  • Product Certifications: CE, RoHS
  • Dimensions:

    • Height: 2.74" (69.5mm)
    • Diameter: 0.73" (18.6mm)
    • Weight: 1.69oz. (48g)
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