SKU: 79504854519

BDD 2S NCM/LFP BATT ACT BALANCER

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Description

BDD 2S NCM/LFP BATT ACT BALANCER2S Li ion Lipo LIFEPO4 LFP Lithium Battery Active Equalizer Balancer BMS 1. 2A Lithium Battery Active Equalizer Balancer Features Balance instructions: When the equalization light is on, the equalization work is turned on, The equalization light goes out, and the equalization circuit sleeps, The equalization light flashes, the string is dropped, or the circuit is faulty. Principle of equilibrium: This module is the adjacent voltage difference

2S Li-ion Lipo LIFEPO4 LFP Lithium Battery Active Equalizer Balancer BMS 1.2A

Lithium Battery Active Equalizer Balancer

Features

 Balance instructions:

  • When the equalization light is on, the equalization work is turned on,
  • The equalization light goes out, and the equalization circuit sleeps,
  • The equalization light flashes, the string is dropped, or the circuit is faulty.

Principle of equilibrium:

This module is the adjacent voltage difference equalization, the adjacent battery voltage difference reaches more than 0.1V, and the chip internally triggers the equalization work until the adjacent battery voltage difference is within 0.03V and stops working. When used on the battery pack, there is an adjacent voltage difference Triggering the equalization work, the battery pack voltage error will also be pulled back to a more ideal value, reducing battery maintenance costs.

Technical Parameters:

  • Working voltage 2.0V-4.5V, ternary lithium iron battery is universal, LTO lithium titanate battery is not applicable.

Balance current:

  • The adjacent voltage difference is above 0.1V (current is about 0.5-0.7A);
  • The adjacent voltage difference is more than 0.2V (reach the maximum equalization current 1.2A);
  • The smaller the pressure difference, the smaller the equalizing current.

Wiring definition:

  • B-, the total negative pole of the battery pack (the negative pole of the first battery)
  • B1, the positive terminal of the first battery
  • B2, the positive terminal of the second battery
  • B3...and so on. 

Accessories:

  • The wiring length is 30cm pure copper 22awg terminal line!
  • High-precision energy transfer balance, exclusive balance IC!
  • The wiring diagram of the four strings is as follows, and the number of other strings can be deduced by analogy!
  • Note (The cable plug with 13 strings or more needs to be inserted diagonally, first touch the B-pin and insert it diagonally, otherwise it may cause the board to burn out)

Note: This board is based on the principle of adjacent equalization and cannot be used as a maintenance tool. To connect the battery, it must be used with lithium battery protection. The pressure difference generated by charging and discharging triggers the work of the equalization board to achieve energy transfer balance.

Additional Information

Device Equalizer Balancer
Type 2S | Li-ion Lipo | Lithium Battery | Active
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 79504854519

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4.7 ★★★★★
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Verified Purchase
Devin Hill
Birmingham, US
★★★★★ 5
It’s like sleeping on a beach in San Vito lo Capo
Italian voice: I’m a big meaty fella so I put off a lot of heat ya hear. These pillow cases have changed my life. One moment they’re hot and the next you flip them and you’re blasted with a blast of ice cool what it feels like to chew 5 gum feeling capeesh. I would reccomend these pillow cases to even my grandma. If ya wanta get a rest so good that it feels like ya been sleeping with the fishes get these pillow cases, they’re the real deal. Then stop at Pauline’s joint and grab a slice of pizza say Vinnie sent ya. Anyways I gotta go my wife’s cooking up a mean lasgna and we’re gonna watch the dodgers. Let me know how these treat ya I guarantee they will change your life. Vinnie out
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Reviewed in the United States on February 15, 2026
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Verified Purchase
Amazon Customer
Carnegie, US
★★★★★ 4
Soft "cooling" case.
Yes it is very cool when you lay on it. It doesn't stay cold though. Within a minute or 2 to whatever your temp is.
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Reviewed in the United States on December 25, 2025
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Verified Purchase
CountryGal
Birmingham, US
★★★★★ 5
Great for hair and skin. Great buy.
These pillow cases are great for my hair and skin. They look good, hold up well in the washer and dryer, and the price is great. They are cooling. Of course I wish they could be more cooling, but honestly I'm not sure that's even possible. Great pillow cases. Already bought more for other heads. Would buy again.
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Reviewed in the United States on March 11, 2026
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Verified Purchase
Melissa
Charlottesville, US
★★★★★ 1
Hot hot hot. Side sleepers will hate it
At first touch, these are the coldest pillowcases I own … but only for seconds. Once you actually lay on them, within seconds they adjust to your body temp, the heat feels trapped, my head begins to feel hotter than before I laid down - which has in turn caused me loathe these pillow cases. I hate that I have missed the return window. Would never buy again, would never recommend. My satin ones aren’t even this hot! I gave them the good ole 30-day try. Side sleepers - if you are like me and sleep on your side with arm tucked under pillow - flipping this pillow over in hopes of a cold side - forget it, it’s already hot from your arm.
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Reviewed in the United States on August 29, 2025
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Trevor Barton
New York, US
★★★★★ 2
Ehh
Pills up rather quickly
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Reviewed in the United States on June 7, 2026

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