High-Quality 100A BMS Lithium Battery Protection Circuit Board

Advanced Lithium Battery Management BMS Circuit Board with Balance Charging - High-Quality Protection, Wide Voltage Compatibility, and 100A Amperage Handling - Ideal for Electric Vehicles and Portable Electronics

4.79
121 Reviews 2,728 Orders
$10.38
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Specifications
Brand name Samiore robot
Origin Mainland china
Hign-concerned chemical None
Condition New
Type Module
Supply voltage Protection circuit board
Dissipation power 100a 5s bms li-ion lmo ternary lithium battery
Is_customized Yes
Operating temperature -40+85
Application Computer
Package Smd
Supply voltage 21v
Single cell overcharge protect voltage 4.21-4.29 v
Charging current 60 v
Overcharge protect delay 1.5-2.5s
Temperature protect Yes
Current balance accuracy Yes
Model number 18650
Operating temperature -40 to 80 celsius
Battery Lithium polymer pack
Shortage delay 100-600 us: 100-600 us
Over-discharge protect current 100a
Protection circuit board module 1 100a 3s bms li-ion
Protection circuit board module2 100a 4s bms li-ion lmo
Protection circuit board module 3 21v 100a 5s bms li-ion lmo
Protection circuit board module 4 12v 21v 18v 100a
Protection circuit board module 5 Lithium-battery-protection circuit board
Lithium-battery-protection circurt board Balance charging li-polymer 100a li-ion ternary
Choice Yes
Battery type Li-polymer limno
Charging voltage 21v (4.2v*5=21v)
Overcharge protect voltage 4.21-4.29 v
Overcharge protect current 100a
Over-discharge protect voltage 2.72-2.88 v
Over-discharge protect delay 0.5-1.5s
Temperature protection Yes
Disconnect protection Yes
Shortage protection Yes
Shortage protect delay 100-600 us
Ampere balance (current) 60ma
Voltage balance accuracy 4.14-4.24v
Compatibility 5s polymer li-ion battery pack
Balance function Yes
  • High-Quality Protection: This BMS circuit board is designed to provide reliable protection for lithium-ion batteries, including overcharge, over-discharge, overcurrent, and short circuit protection, ensuring the safety and longevity of your battery pack.
  • Balance Charging: The board features balance charging functionality, which helps maintain the individual cell voltages within safe limits, maximizing the overall capacity and lifespan of the battery pack.
  • Wide Voltage Compatibility: With support for various battery configurations ranging from 21V to 12V, this BMS board is versatile and can be used in a wide range of applications, from electric vehicles to portable electronics.
  • Advanced Lithium Battery Management: The BMS circuit board is specifically designed for 18650 Li-ion, LMO, and ternary lithium batteries, providing advanced management features to optimize performance and safety.
  • High Amperage Handling: Capable of handling up to 100A of current, this BMS board is suitable for high-power applications where robust protection and management of lithium batteries are essential.

121  Reviews

4.79 Overall Rating
5
105
4
10
3
4
2
1
1
1

G***v
5
Jul 17 2025

Cool

M***v
5
Jul 17 2025

Looks good

J***n
5
Mar 19 2025

Fast shipping, thank you

A***i
5
May 10 2025

Item matches the description and photos, fast delivery, well packaged. I am satisfied with the purchase. Thank you seller. Recommend.

B***n
5
Jul 15 2025

Excellent

Verified Buyer
5
Jul 02 2025

Item received as described.

V***z
5
Aug 26 2025

Everything excellent, 5 stars to the seller... responsible.

Product review Product review
A***v
5
Jul 11 2025

received, will check and add feedback

Product review
A***s
5
Jul 13 2025

Ok.

O***o
5
Jul 01 2025

Everything is great, they sent exactly what I ordered, 3s and 4s, everything is fine.

Product review
Verified Buyer
5
May 11 2025

I recommend it

W***k
5
Jul 09 2025

All is fine. :)

N***X
5
Jul 10 2025

Thank you. Nice product.

J***z
2
Aug 07 2025

It arrived quickly, upon opening the package I saw that all the mosfets are different, there are solder drips on the board, I still can't decide whether to connect the wires or throw it in the trash right away.

A***r
3
Aug 16 2025

After using the product, I found it generally satisfactory and pleasing. The quality was good and the function worked well. I think it's a decent choice for the price.

Z***r
5
Aug 02 2025

Received it but haven't connected it yet.

C***h
5
Aug 02 2025

Excellent

V***s
5
Aug 06 2025

I received the package in 11 days (combined order of 9 items). Everything is as described on the website. The quality matches the product's value. I recommend.

O***n
5
Jun 26 2025

Each board operates according to its own algorithm; some at 4.2V turn on the balancer, others turn it on after disconnecting the charge without reacting to 4.2V. Others work.

D***r
4
May 10 2025

The product seems to be fine. I ordered mosfets from three different sellers and all of them turned out to be fake (burnt out immediately). Opened a dispute for one of the cheapest refunds the second time. ----- Do not write reviews until you have checked the product!! !

A***s
5
May 06 2025

As described. Shipping and delivery within the expected time. Item well constructed, well finished, but not yet tested.

Product review Product review Product review
D***r
4
May 10 2025

The product seems to be fine. I ordered mosfets from three different sellers and all of them turned out to be fake (burnt out immediately). Opened a dispute for one of the cheapest refunds the second time. ----- Do not write reviews until you have checked the product!! !

D***i
5
May 08 2025

Order received. Looks good as described, but not tested yet.

Product review Product review
J***o
5
Apr 06 2025

It is not the first board of this model that I have purchased and has become my preferred one for lithium battery updates. Of the cheap ones... it's one of the best. With the same board, you can create batteries of multiple voltages. ⚑️ . Good article

A***
5
Apr 25 2025

Not tested yet, but looks ok.

Product review
Verified Buyer
5
Apr 02 2025

thank you

S***r
5
Jul 31 2025

Recommend

A***a
5
Aug 15 2025

Arrived on time and everything is fine.

W***s
5
Jul 19 2025

Product received, during assembly it will show 3s soldering without dribs and drabs, and then we'll see, good luck!! !

Verified Buyer
5
Mar 25 2025

great

Verified Buyer
5
Aug 04 2025

Arrived exactly as advertised.

P***r
5
Mar 29 2025

Fast delivery, thank you. I recommend the seller's store.

D***r
5
Mar 22 2025

Boazinha

Product review
Verified Buyer
5
Jul 05 2025

Excellent. Fast delivery. I recommend the seller.

Product review Product review
Verified Buyer
5
Jun 14 2025

Very good

C***s
5
Jul 28 2025

Very good, highly recommended, this is already my third purchase from this seller, thank you my friend Xaulin Cusforte.

Product review
P***o
5
May 24 2025

I received everything normally. Need to test

Product review
B***i
5
Apr 14 2025

The product works perfectly

Verified Buyer
5
May 16 2025

Good

Product review
I***o
5
Jul 05 2025

Reached Kyiv quickly - in 12 days. Regardless of the soft packaging, everything arrived intact and undamaged.

Product review Product review
S***o
5
Aug 04 2025

Everything is great, the product is of high quality and arrived quickly. I recommend the seller.

Verified Buyer
5
Apr 07 2025

Thank's!

M***v
5
May 18 2025

Looks good

W***s
5
May 01 2025

I recommend this board, it's the best.

S***o
5
Jun 05 2025

Everything is okay.

Product review
Verified Buyer
4
Mar 29 2025

Not tested yet.

J***a
5
Jul 15 2025

Everything is okay, I've bought several times before, it works perfectly.

Product review Product review
K***k
5
May 31 2025

Perfect

Product review Product review Product review Product review
P***k
5
Apr 07 2025

Arrived ok and in time

A***o
5
Mar 24 2025

The highest quality protection fee for your cost, no bad passive balance. fast delivery

D***r
4
May 10 2025

The product seems to be fine. I ordered mosfets from three different sellers and all of them turned out to be fake (burnt out immediately). Opened a dispute for one of the cheapest refunds the second time. ----- Do not write reviews until you have checked the product!! !

D***r
3
May 10 2025

The product seems to be fine. I ordered mosfets from three different sellers and all of them turned out to be fake (burnt out immediately). Opened a dispute for one of the cheapest refunds the second time. ----- Do not write reviews until you have checked the product!! !

D***r
3
May 10 2025

The product seems to be fine. I ordered mosfets from three different sellers and all of them turned out to be fake (burnt out immediately). Opened a dispute for one of the cheapest refunds the second time. ----- Do not write reviews until you have checked the product!! !

K***r
5
May 27 2025

The item received intact, before specified time. Good service. The board not tried yet to write about its performance.

A***w
5
May 27 2025

Looks ok, no time for crafts yet

Product review Product review
N***i
5
Jul 17 2025

Good quality, as description. My 2nd order

Product review Product review
U***r
5
Jul 30 2025

Universal BMS

Product review Product review
D***a
5
Sep 08 2025

Great product

A***r
5
May 25 2025

Ok

V***k
5
Apr 22 2025

ok

A***h
5
Aug 16 2025

arrived in 10 days, did not check

Product review
P***h
5
Aug 17 2025

Fast delivery

Verified Buyer
5
Jul 11 2025

Fast delivery by nova poshta combined package. I did not test this bms. Visually everything is fine. I give five stars in advance. If something doesn't work, i'll update my review of this product later. Thanks.

Verified Buyer
1
Aug 23 2025

It looks like it was used, it's dirty and has strange components.

Product review Product review Product review
O***n
5
Jul 05 2025

Great!

S***r
5
Jul 22 2025

Everything is OK!! !

J***a
5
Jul 25 2025

I already have one of these, they work 100%.

Product review
F***i
5
Aug 18 2025

OK

M***v
5
Jul 19 2025

Excellent

Verified Buyer
5
Sep 08 2025

I want to make it using the discharge from the Makita battery, but I need to buy a separate 21v charger.

Product review
J***a
3
Jun 18 2025

Ok

W***r
5
Jul 11 2025

Ok

V***s
5
Jun 18 2025

The order has arrived to us quite quickly. Good material and fits quite well to what is described on the website. Recommended seller

Product review
O***o
5
Jul 06 2025

Haven't used it yet, but I hope it will work well.

Product review
Verified Buyer
5
Apr 12 2025

I will use it well

Product review
K***a
4
Apr 02 2025

Good

Π’***ΠΎ
4
Mar 24 2025

came

Verified Buyer
5
Mar 26 2025

Fast delivered, well packed, looks as on pictures and durable, colors matches, worked, shortly tested

Verified Buyer
5
Jun 09 2025

Prompt shipment and fast delivery. Thanks to the seller. Visually this product looks very decent, no complaints. This is not first time i have purchased this bms and i have never had any problems. I have not tested this particular product and i am giving it five stars in advance based on my personal experience and reviews from previous buyers. If there are any problems with connection, i will update my review later.

V***s
5
Jul 18 2025

ΠŸΠΎΡΠΈΠ»ΠΊΡƒ ΠΎΡ‚Ρ€ΠΈΠΌΠ°Π² Π·Π° 11 Π΄Π½Ρ–Π². ВсС, як описано Π½Π° сайті. НС пСрСвіряв, ΡΠΏΠΎΠ΄Ρ–Π²Π°ΡŽΡΡŒ ΠΏΡ€Π°Ρ†ΡŽΠ²Π°Ρ‚ΠΈΠΌΠ΅. Π―ΠΊΡ–ΡΡ‚ΡŒ Π²Ρ–Π΄ΠΏΠΎΠ²Ρ–Π΄Π°Ρ” вартості Ρ‚ΠΎΠ²Π°Ρ€Ρƒ. Π Π΅ΠΊΠΎΠΌΠ΅Π½Π΄ΡƒΡŽ.

D***o
5
Jun 15 2025

I haven't tested it yet, but I've bought from this seller before and everything came right, I believe it will be the same.

I***n
5
Aug 12 2025

some fees seem lower, but satisfied.

Verified Buyer
5
May 31 2025

Repurchase. Good

A***h
5
Sep 09 2025

Not even unpacking, just for backup. Arrived quickly.

Product review
Π‘***Π΄
5
Apr 06 2025

payments very good quality all elements of good flat fell, ok to look

A***k
5
Jul 08 2025

thanks to the seller

Product review Product review
I***r
5
Apr 02 2025

Chiara, easily understandable. I just hope they work.

S***z
5
Mar 30 2025

it arrived relatively quickly and works

L***o
5
Jun 28 2025

Good product suitable for use

D***n
5
Mar 28 2025

Everything is fine, I haven't tested it yet, apparently it's correct.

Product review Product review Product review Product review Product review
Verified Buyer
5
May 20 2025

Good

E***s
5
Apr 25 2025

These boards are very good.

Product review Product review
V***a
5
Jun 05 2025

I shorted it by mistake, connected it incorrectly, and still everything works fine.

D***o
5
Apr 05 2025

I haven't tested it yet, apparently everything is fine.

Product review Product review Product review
N***i
5
Jul 17 2025

Good quality, fast shipping, as description

Product review Product review Product review
I***m
5
May 21 2025

Ok

Y***s
5
Jul 18 2025

always cheapest and best bms

Product review
E***s
5
Aug 14 2025

Very good as agreed.

V***u
5
May 31 2025

Perfect!! !

O***y
5
Jul 31 2025

Delivery to Kyiv 15 days. Appears to be a quality product. Matches the description. I recommend the seller and the product.

G***v
5
Apr 06 2025

Cool

S***r
5
May 08 2025

Works well, I recommend it

W***s
5
Jul 14 2025

It arrived perfectly and well-packaged. The seller shipped within the deadline as stated, but I haven't tested it yet. I believe the little device is working fine.

J***s
5
Jul 11 2025

So I didn't receive the BMS boards but AliExpress was attentive and refunded me immediately after my complaint. Now I'm going to order the boards again; they are of great quality and I've already used them in some projects. I recommend them.

Verified Buyer
4
Jun 21 2025

ㆍ

Verified Buyer
5
Jul 31 2025

This is not the first time i am ordering it was very good , and very accurate when it comes to balance of batteries

S***k
5
Aug 20 2025

Item is good, thank you.

V***n
5
Jul 02 2025

Good scarves. Arrived quickly. I will review and update my feedback. I can recommend the seller and the product.

A***v
5
Jun 04 2025

Whole. Extra flux, sloppy soldering, just like everywhere else. I hope at least one will work.

Verified Buyer
5
Apr 03 2025

Thank you.

A***o
5
May 19 2025

It arrived very quickly, just need to test and see what quality it has. I will leave comments later.

C***r
4
Jul 16 2025

I will use it well.

P***o
4
Mar 27 2025

I haven't tried it yet, but it looks good quality.

F***r
5
Jul 23 2025

Unfortunately, it was not delivered due to the fault of the express service, thanks to the seller.

H***o
5
Jun 26 2025

It's as described. During final selection, you should pay attention to the final selection terminal.

M***r
5
Sep 03 2025

Well packaged... everything works.

A***r
4
May 16 2025

Works well, good

J***o
5
Jun 08 2025

Works very well discharging at 60A

J***o
5
Jun 10 2025

It's going well.

P***S
5
Jun 11 2025

I am buying for the second time. Very good BMS. Effectively cuts off batteries when overdischarged or after charging. A bit low balancing current of only 60mA, but at this price (~6 PLN) you won't find anything better. I recommend.

V***o
5
Jul 21 2025

Some wonderful ones. Thank you!

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