Nitecore UM4 4-Slot Li-ion Battery Intelligent Charger authentic / 3A max. total output / wide compatibility / LCD display / USB charging / circuit protection / temperature control ↓ details & specifications
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Classification
Product Type Battery Chargers
Aesthetic
Color Black
Power & Batteries
Battery Chemistry IMR/LiFePO4/Li-Ion
Current Output QC Mode:1*1.5(Max), 2*1.5(Max), 4*0.75(Max) Standard Mode: 1*1.5(Max), 2*1(Max), 4*0.5(Max) A
Input Type DC 5V/9V
Output Type 4.35V +/- 1%, 4.2V +/- 1%, 3.7V +/- 1%, 1.48V +/- 1%
Manufacturer
Brand
Nitecore
Package
Package Type Plain
Package Contents 1*Battery Charger, 1*USB Cable
Dimensions us | metric
Depth 37 mm
Height 158 mm
Width 106 mm
Product Weight 235 g
FastTech
SKU 9680088
DATE LISTED 11/18/2018
Details:
  • QC Input Available
  • Total Max Output of 3.000 mA
  • With Single Slot Max Output of 1.500 mA
  • LCD Display for Real-lime Charging Information
  • USB Charging Port for Outdoor Charging
  • Charging Program Specially Optimized for IMR Batteries
  • UM4 Incorporates an optimized IMR battery charging program, which is able to monitor the entire charging process, ensuring that the cut-off voltage Is always within safe limits to extend the Ilfespan of the batteries.
  • Intelligent Charging Mode Selection: UM4 will automatically select between 3 charging modes (CC, CV and -dV/dt) according to tho battery type and capacity.
  • Anti-short Circuiting and Reverse Polarity Protection: If there are batteries Inserted with polar reversed or short-clrculted, the screen will flash to show 'EE EE".
  • Intelligent Temperature Regulation: The built-in temperature regulation system is designed to prevent the overheat and to ensure the stability of the charging process
Compatible with:
  • IMR/Li-ion/LiFePO4: 10440, 14500, 14650, 16500, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26500, 26650, 26700
  • Ni-MH/Ni-Cd: AA, AAA, AAAA, C, D
Please Note: Because of the manufacturer's containment policy, this product is forbidden selling to The Czech Republic. 

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This item is covered by FastTech's Standard Return Policy:
100% Satisfaction Guaranteed

Return for refund within: 45 days (details)
Return for replacement within: 6 months (details)

No restocking fee. Shipping charges may apply if returns are not results of FastTech's error.

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Top Quality charger
by AwesomeDawson

ShahinJ
Verified

VERIFIED OWNER
  • JoinedJul 2016
  • Posts 575
  • Reviews 400
  • Kudos135
Overall
› Quality
› Value
Brand new, out of the box, the screen had some scratches on it, which might be bothersome for some ocd'ers, but luckily, the scratches arent major. You dont notice them when its plugged in and the dis... (read full review)
Reviewed on 8/8/2019

_DEV_
Verified

VERIFIED OWNER
  • JoinedNov 2018
  • Posts 0
  • Reviews 2
  • Kudos0
Overall
› Quality
› Value
PROS
Room for 4x 21700 (big-big pro for that) QC 2.0 (if connected to QC adapter) Price
CONS
None so far.
Very good charger, very good price, nice screen. And it looks good (I know, nobody gives a sh*t, haha). Highly recommended. Thank you FT for the fast delivery.
Reviewed on 5/24/2019

citral
Verified

VERIFIED OWNER
  • JoinedJul 2013
  • Posts 6
  • Reviews 15
  • Kudos1
Overall
› Quality
› Value
PROS
Silent Space Screen
Glad I replaced my noisy nitecore d4 with this. Plenty of room for 21700.
Reviewed on 3/31/2019

Avatar
AwesomeDawson
Verified

VERIFIED OWNER
  • JoinedJun 2013
  • Posts 192
  • Reviews 207
  • Kudos123
Overall
› Quality
› Value
I’ve had my previous Nitcore D4 for years and it’s served me proud but squashing 21700 batteries In was becoming a chore, they barely fit. When I spotted this it was an easy choice and I’m very happy.... (read full review)
Reviewed on 1/16/2019
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