8.4V 7.4V 1A 18650 Lithium battery charger 5.5mm*2.1 Portable Charg…

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8.4V 7.4V 1A 18650 Lithium battery charger 5.5mm*2.1 Portable Charger EU/AU/US/UK Plug
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#8.4V 7.4V 1A 18650 Lithium battery charger 5.5mm*2.1 Portable Charger EU/AU/US/UK Plug


Aliexpress YZPOWER 84V 6A 7A 8A 9A 10A Li-ion Chargers Lipo Lithium Battery Charger for 72V Lithium

Link to the product http://ali.pub/3di66w
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How to charging Lithium-Ion 19650 Batteries 12.6V 8.4V – 3 cells 2 cells series battery pack

This video show how to charging lithium battery.
Of course with special adapter.
Usually, series batteries will use board protection. For safety.
00:00 All adapter charger, battery pack 8.4V/DC and 12.6V/DC
00:06 Adapter charger, different voltage battery pack must use the same or the same voltage battery charger adapter.
00:25 test BMS 8.4V with adapter charger
01:06 Dinottelighting charger adapter for 8.4V/DC
01:41 Charger 12.6V for 3 cell series battery

Note Typo Serial is Series

Make Battery Pack Lithium 18650 no need Spot Welder and Shrink Warp

Battery Pack problem BMS board 18650 random power off or cut power BMS Solved check the batteries

Battery Pack Lithium 18650 Holder Spacer easy expand capacity

BMS balance charging battery Protection circuit 18650 Series not sure

Make Battery Pack BMS 3S lithiu


TP5100 Single 4.2V / Dual 8.4V 2A Lithium Battery Charging Board Review Test Tutorial

TP5100 Single 4.2V Dual 8.4V 2A Lithium Battery Charging Board http://bit.ly/TP5100_1S_2S_2A

Review and test of this neat 1 or 2 cell up to 2 Amps lithium cell charging board.

Skip to Testing 6:44

Data Sheet http://www.microlab.info/wp-content/uploads/sites/5/2018/06/TP5100-EN-autotranslated.pdf

UNI-T UT210E Clamp Meter http://bit.ly/UT210E_Clamp
ANENG AN8002 Multimeter Temperature Tester http://bit.ly/ANENGMultimeterTempTest
MUSTOOL G700 HD 1080P Portable Desktop LCD Digital Microscope http://bit.ly/LCDMicroscope
Four Wire Battery Test Rack http://bit.ly/Batt_TestRack

Input voltage: DC 5-18V(actual 5-12V is appropriate)
Charging status: full and no-load blue light, red during charging
The voltage setting must be operated in the power-off state, and the switch must be disconnected before switching.


1. Dual / single 8.4V / 4.2V lithium battery charging
2. Built-in power MOSFET, switch mode, low device heat, simple external
3. Programmable charge current, 0.1-2A
4. Programmable precharge current, 10%-100%
5. No need for an external anti-sinking schottky diode
6. Wide operating voltage up to 18V
7. Red and blue LED charge status indication
8. Chip temperature protection, over-current protection, under-voltage protection
9. Battery temperature protection, reverse battery shutdown, short circuit protection
10. Switching frequency 400KHz, available inductance 20uH and above
11. PWR_ 0N-power, battery-powered switching control
12. Less than 1% charge voltage control accuracy
13. Trickle, constant current, constant voltage three-stage charging to protect the battery
14. Using QFN16 4mm*4mm ultra small package

Absolute maximum rating:

1. Static input supply voltage (vin): 20V
2. BAT: -8.4V~20V
3. BAT short circuit duration: continuous
4. Maximum junction temperature: 120℃
5. Working environment temperature range: -40℃~85℃
6. Storage temperature range: -65℃~125℃
7. Pin temperature (welding time 10 seconds): 260’℃


Portable devices, various chargers, smart phones, PDA, mobile cellular phones, MP4 or MP5 players, tablet PC, model airplanes, power tools, intercoms

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