Chip-level active balancing technology
5A bidirectional lossless transfer: adopts integrated chip solution
(non-traditional discrete devices) to achieve bidirectional energy
transfer between cells, balancing efficiency ＞90%, and volume
reduction by 60%.
Dynamic current regulation: supports 1~5A adaptive balancing
current, matching different wire diameters (0.5~2.5mm²) to avoid
the risk of wiring harness overheating.
Industrial-grade reliable design
Features Technical details
All-weather protection -20℃~65℃ stable operation, IP67 protective
shell
Multiple safety mechanisms Overcharge/over-discharge/short circuit
three-level protection, temperature sampling point
Zero noise operation Fanless design, EMC anti-interference meets
industrial grade 4 standards
Scenario performance test
Energy storage battery pack (280Ah): 5A balancing current reduces
the voltage difference from 105mV to 3mV within 2 hours, and the
cycle life is increased by 35%.
Electric forklift (48V system): Active heating + balanced linkage
in a low temperature environment of -15℃, 100% startup success
rate.
Quick deployment: Standardized interface design, hot-swap
replacement support, downtime maintenance time <5 minutes.
Manufacturer technical support: Enerkey provides a one-year
warranty and ISO 9001 certification solution.
Technical Parameters
| Fit Capacitive Active Balancer with Aluminum Shell(5A 4S-16S) |
| Product model | EK-C4S5A | EK-C8S5A | EK-C12S5A | EK-C16S5A |
| Battery string | 3/4S | 6/7/8S | 9/10/11/12S | 12/13/14/15/16S |
| Size(mm) | L86.1*W50.1*T19.5 | L96.5*W89.5*T19.5 | L141.5*W89.5*T19.5 | L145.5*W96.5*T19.5 |
| Weight with box | 0.12kg | 0.22kg | 0.32kg | 0.42kg |
| Suitable Battery type | NCM / LFP (Li-ion/Lifepo4) | NCM / LFP/LTO (Li-ion/Lifepo4/Lto) |
| Suitable Battery capacity | 30AH-300AH |
| Base material/Surface treatment | FR-4/HASL |
| Single cell voltage operating range | Li-ion/Lifepo4:2.7-4.2V LTO:1.8-4.2V |
| Undervoltage protection sleep voltage | Li-ion/Lifepo4:<2.7V LTO:<1.8V |
| Equilibrium method | Patented (patent number: ZL 2019 1 1259513.3) balancing
architecture Fit capacitor method, the entire battery pack is
balanced at the same time. |
| Equilibrium current | 0.1V voltage difference is 1A balancing current, voltage difference
is proportional to balancing current,
maximum allowable operating current is 5.5A |
| Whether need an external power supply | No external power supply is required, relying on the internal
energy transfer of the battery to achieve balance of the entire
group |
| Voltage equalization accuracy | 5mV(Typical value) |
| Quiescent current | 0.1mV(Typical value) |
| LED indicator | 1. LED steady on, balanced working 2. LED off, undervoltage sleep |
| Balance cascading | Support balanced cascading for battery packs, for example, It can
cascade for 11S, 24S, 36S, 48S.....and so on. |
| Accessories | 18awg Therminal wire 40cm |
| Work temperture | -10℃ - +60℃ |
| Feature | 24H Non-stop overall balancing, supports cascading, undervoltage
protection, ultra-low loss, etc. |
| Application | Outdoor energy storage, home energy storage, industrial and
commercial energy storage, RV modification, low-speed vehicles,
solar photovoltaic, etc., temporarily used for battery balancing
maintenance, repair, etc. |
Packing List
Wire connect
FAQ
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.
Noted: We are source manufacturer, We have own brand for "EnerKey",We can customized product as your requirement(Voltage, Wire,Etc) .
We can provide you competitive price in the market if you have bulk
order, Please don't hesitate to contact us.
Mobile & WhatsApp & Wechat: +86 15387469240; Email: kiwi@enerkey.cn
