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๐Ÿ”‹ enhanced battery protection bms pcb board for 13series 48v/54.6v li-ion li-polymer batteries logo

๐Ÿ”‹ Enhanced Battery Protection BMS PCB Board for 13Series 48V/54.6V Li-Ion Li-Polymer Batteries Review

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ยท

Average

Revainrating 3 out of 5ย ย 
Ratingย 
3.0
๐Ÿšช Garage & Shop, ๐Ÿ”ง Automotive Tools & Equipment

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Description of ๐Ÿ”‹ Enhanced Battery Protection BMS PCB Board for 13Series 48V/54.6V Li-Ion Li-Polymer Batteries

Designed for 13 series Li-ion batteries, can be used for ternary batteries, manganese acid batteries and cobalt acid batteries. Multiple protective functions including overcharge protection, overdischarge protection, overcurrent protection and short circuit protection. Equipped with high voltage withstanding and low conduction resistance function, powerful and profewssional. Separated charging connector and discharging connector, easy to use. Charging 5A, discharging 15A, can be use for electric bicycles with motor less than 500W power.

Reviews

Global ratings 3
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  • 4
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  • 3
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Type of review

Revainrating 4 out of 5

Balancing function - energy accessories

Just bought some of these, it seems that the balancing function is not enough? The description says nothing about balancing, and when testing PCBs, balancing is indistinguishable (no heat dissipation and no cell voltage drop) compared to other PCBs? Over and under voltage protection works as described!

Pros
  • Nice packaging
Cons
  • Damaged

Revainrating 2 out of 5

No balancing function

This BMS doesn't balance your cells. There is only one overcharge protection. During charging, when the first cell reaches 4.2V, the BMS will stop charging all cells. So it's useful for preventing fires while charging, but eventually your backpack will go unbalanced and lose tons of capacity, requiring you to hack it open and rebalance everything manually.

Pros
  • Solid design
Cons
  • Really don't like it, everything is fine

Revainrating 3 out of 5

Only allows charging when the battery is completely empty

Please note when using this BMS that the battery voltage must be VERY low for this BMS to charge the battery. If you have trouble charging, first try to discharge the battery below 40V and then try to charge it. I have a 13S package using this BMS; I thought the BMS was broken but then I drained the battery to 39V with a dummy load. After that, when I tried to charge the battery, it worked. It's a bit annoying that the battery has to be completely empty with this BMS in order to charge it, butโ€ฆ

Pros
  • Easy-to-read control panel
Cons
  • New competitors have appeared