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4s 100a 12v lifepo4 lithium battery protection board lfp w/ charging controller and balancing function logo

4S 100A 12V LiFePO4 Lithium Battery Protection Board LFP w/ Charging Controller and Balancing Function Review

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Average

Revainrating 3.5 out of 5  
Rating 
3.7
🔌 Household Battery Chargers, 🧻 Household Supplies

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Description of 4S 100A 12V LiFePO4 Lithium Battery Protection Board LFP w/ Charging Controller and Balancing Function

BALANCING FUNCTION: This battery protection module has a equilibrium function to keep each cell in balance and can extend the service life of battery. MULTIFUNCTIONAL: This battery protection board will protect battery pack from overcharging, over-discharging over-current and short circuit, very useful. PORTABLE: This battery protection board is very portable(2.75*2.02*0.39"), great for DIY work. FOR 4 SERIES 12V LiFePO4 BATTERIES: Used for 4 series 12V LiFePO4 batteries, 5P-250mm wires included for your convenient use. WIDE APPLICATIONS: Suit for home DIY work and school science project, wide used in battery protection work.

Reviews

Global ratings 3
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  • 4
    2
  • 3
    1
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  • 1
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Type of review

Revainrating 4 out of 5

Poor design works best for household batteries, chargers and accessories

The 2.00V undervoltage cutoff in these regulators is absolutely useless for LIFePO4 batteries and will destroy them if you don't take other protections to have . This is not a battery protection board. Additionally, the lack of terminals or heavy gauge wires makes these 100 amp(?) boards very difficult to use. You will need to make solder connections to traces on both sides of the board with heavy gauge wires if you are going to use them for anything other than low current. Not an easy task…

Pros
  • Very good value for money
Cons
  • Piggy bank price

Revainrating 4 out of 5

Good price. in chargers

I needed a LiFP BMS replacement that can handle 100 amps. My guess is that the battery's current BMS was defective. In my case replacing the BMS was easier than taking the battery apart and testing the cells. I have used this BMS successfully. I was able to pull through about 100 amps momentarily (less than a minute). The problem is getting enough wire to safely carry 100 amps at around 12-13 volts. There just isn't enough room for enough cables. BMS is too small for that. I haven't measured…

Pros
  • Good product for the price
Cons
  • weak

Revainrating 3 out of 5

Slow and tricky balance feature

This charge controller does what it says in the fine print, but still leaves a lot to be desired. I tested the controller with several LiFEPO4 chargers, a regulated current limit power supply, and a Fluke multimeter. I was able to insert 14AWG solid wire into the terminal holes as shown. I soldered all the wires and crimped the lugs for a decent 60A setup. I think 100A will push it, although I haven't thermally tested this unit. This controller protects the battery pack from overcharging. In my

Pros
  • Nice packaging
Cons
  • Can't remember