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| Categories | Active Balancer BMS | 
|---|---|
| Brand Name: | Enerkey | 
| Model Number: | EK-16S2/4EB | 
| Certification: | ISO9001/CE/ROHS | 
| Place of Origin: | Shenzhen, China | 
| MOQ: | 5pieces | 
| Price: | $32.5-$45.54 | 
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Supply Ability: | 10000pcs per day | 
| Delivery Time: | 3-5days | 
| Packaging Details: | Strong paper box +EVA Foam | 
| Product name: | 2-16S 2A 4A Smart Active Balancer with APP | 
| Copper Thickness: | 2oz | 
| Application: | high-power energy storage, base station backup power supply | 
| Board Thickness: | 1.6mm | 
| Battery Type: | Lithium/Lifepo4 Battery Pack | 
| Battery Strings: | 2S~16S | 
| Base Material: | FR-4 / HASL | 
| Keywords: | Multilayer Electronic Circuit Board | 
| Product Size: | L123*W94*T20mm | 
| Weight with Package: | 2A:0.22kg 4A:0.35kg | 
| Company Info. | 
| Shenzhen Juyi Science And Trade Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Enerkey Newest 4A Smart Active Balancer Equalizer 4S 6S 8S 9S 10S 12S 14S 16S Lifepo4 / Li-ion Equalization
The Intelligent Active Balancer is a balance management system tailored for large capacity series battery packs.
This equalizer uses supercapacitors as the medium to achieve active energy transfer equalization.
Real-Time Monitoring: Continuous monitoring of voltage and temperature helps identify issues early, improving safety and reliability.
Scalability: Suitable for integration into larger systems, allowing for flexible scaling in various applications.
User Configurability: Customizable settings enable tailored operation based on specific requirements, enhancing versatility.
Safety Features: Built-in protections against over-voltage, under-voltage, and overheating ensure safe operation.







| Product model | 16S 2A 4A Smart Active Balancer for 2-16s (EK-16S2/4EB) | ||
| Supported battery type | NCM / LFP(Li-ion/Lifepo4) | ||
| Single cell voltage collection range | 1.5V~4.5V | ||
| Undervoltage protects sleep voltage | APP can be customized Settings :1.5-4.2V | ||
| Equilibrium method | Time-sharing single channel transfer, point-to-point energy transfer | ||
| Reverse protection | Support disorderly power on detection/protection | ||
| Equilibrium current | APP can be customized Settings: 1A~2A(2A version) APP can be customized Settings: 1A~4A(4A version) | ||
| Whether an external power supply is required | When the total battery system voltage is below 24V, | ||
| Voltage equalization accuracy | APP can be customized Settings :1mV(TYP) | ||
| Wire cascading | Support | ||
| Power failure detection function | Support | ||
| Wrong wire protection function | Support | ||
| Fault alarm function | Support | ||
| Buzzer | APP can be customized Settings | ||
| Power dissipation | At equilibrium≈1W,Stop equilibrium≈0.5W | ||
| Operating temperature | -20℃ ~ +55℃ | ||
| Application | Electric toys, electric balance car/bicycle | ||






Q1. Why did we choose you?
* We can provide you with efficient after-sales service, with more than 10 years of strong technical support.
* Products have passed FCC, CE, ROHS and other international standards certification.
* We can provide you with factory price, Welcome you to visit our factory and production process.
Q2. What is your product range (type)?
*We mainly do battery management systems in the fields of power batteries, energy storage batteries and consumer batteries.
*Mainly used for LFP, Li-ino and LTO batteries.
Q3: How do I know which kind of material & type my battery is ?
*Please look the battery body, If the normal voltage of your battery shows 3.2V, The battery is LiFePo4.
*If the normal voltage of your battery shows 3.6V or 3.7V, the battery is Li-ion or Lto battery.
Q4. Do you have minimum order requirements?
Can it be customized? What is the lead time for samples and batches?
*Our minimum order quantity is 1 piece, ODM customization is available.
* 1~3 days delivery of existing samples, 3~10 days delivery of customized samples.
Q5: What if i can't use it?
*Regular products have instructional videos, We can also support online video call guidance from engineers.
Q6. What are your terms of payment?
*We accept wire transfer and cash payment, all negotiable. Payment method :visa, mastercard, T/T, PayPal, APPLE_PAY, GOOGLE_PAY, GC_REAL_TIME_BANK_TRANSFER, RMB
Q7. How do you guarantee the quality?
* All our products are subjected to professional laboratory 100% testing, as well as repeated aging tests.
* Obtained FCC, CE, ROHS and other international standard certification.
* Provide 3 years after-sales warranty service. Free spare units for replace in 3 years.
Q8. How to choose a BMS suitable for our battery?
*Depending on the voltage and current that matches your battery, you can consult our customer service and we will provide it for you equipped with the most suitable battery management system.
Q9. How can i contact you?
*We have 7x24 hours online service, Please leave us a message online.
*You can also contact us by Email, WhatsApp, WeChat, etc(see below). We are so glad to work with you.
If you have any advices or requests, Warmly welcome your consulting.
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