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| Categories | Electric Vehicle BMS |
|---|---|
| Brand Name: | Enerkey |
| Model Number: | EK-BM3R8S120A |
| Certification: | ISO9001/CE/ROHS |
| Place of Origin: | Shenzhen, China |
| MOQ: | 10pieces |
| Price: | $19.5-$22.5 |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 1000000pcs per day |
| Delivery Time: | 3-5days |
| Packaging Details: | Strong paper box +EVA Foam |
| Product Name: | 3S 120A Lithium Battery BMS with Heatsink |
| Copper Thickness: | 2oz |
| Application: | Battery Management Systems |
| Board Thickness: | 1.6mm |
| Battery Type: | Li-ion/Lifepo4/Lto/SIB |
| Allowable Operating Voltage Range: | 0-30V |
| Rated Discharge Currenturrent: | 120A |
| Peak Starting Current: | 300A |
| Used For: | Lithium Battery Protection Board |
| Keywords: | 3S BMS |
| Base Material: | FR-4 |
| Surface Finishing: | Lead-free spray tin |
| Product Size: | L95xW68xT15mm |
| Weight with Package: | 0.25kg |
| Company Info. |
| Shenzhen Juyi Science And Trade Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Enerkey BMS 3S 12V 120A High Current Lithium Battery Protection Board with Balanced for Electric Vehicle
Product parameters
1. String number range
Support 3S-8S battery pack configuration (specific needs to be
distinguished according to the model)
2. Current performance
Continuous discharge current: 120A
Peak current: 300A (need to match specific models or customization)
3. Balancing function
Equipped with passive balancing technology to ensure the
consistency of battery cell voltage
4. Heat dissipation design
Aluminum alloy shell structure to improve heat dissipation
efficiency (need to confirm whether the specific model includes
this design)
5. Additional functions
Integrated NTC temperature sensor to monitor battery temperature in
real time
Specifications and compatibility
• Applicable battery type: ternary lithium/lithium iron
phosphate/lithium titanate/sodium ion battery pack
• Voltage matching: Covering 24V system (such as 6-8 strings of
ternary or iron lithium configuration)
• Interface expansion: Support lead-acid battery conversion to
lithium battery system
Service and guarantee
• Delivery time: Delivery within 3 days after payment
• Warranty: One-year warranty, free replacement of accessories
within one year
Note: Some parameters (such as aluminum alloy shell, NTC function)
need to be verified with customer service before purchase Details
page or custom requirements
| Item type | Parameters | |||||||||
| 1 | Parameter Overview | Product Model | EK-BM3R8S120A | |||||||
| Product Size(mm) | L95*W68*T15 | |||||||||
| Product Weight(kg) | 0.25 | |||||||||
| Product Material | FR-4 / Lead-free spray tin | |||||||||
| Applicable battery type | Lifepo4 | Li-ion | Lto | SIB | ||||||
| Applicable battery string | 3S-8S | 3S-8S | 3S-8S | 3S-8S | ||||||
| Rated discharge current | 120A | 120A | 120A | 120A | ||||||
| Peak starting current | 300A | 300A | 300A | 300A | ||||||
| Item type | Trigger (time) | Trigger (time) | Trigger (time) | Trigger (time) | Trigger (time) | Trigger (time) | Trigger (time) | Trigger (time) | ||
| 2 | Charging protection | Overvoltage protection voltage value | 3.65V/1S | 3.50V/1S | 4.25V/1S | 4.05V/1S | 2.85V/1S | 2.75V/1S | 3.95V/1S | 3.80V/1S |
| Balanced phase difference voltage value | Trigger voltage difference 30mV / trigger time 0.5S / balance time 10S cycle | |||||||||
| Balanced voltage value | 3.45V | 3.70V | 2.50V | 3.10V | ||||||
| Overcurrent value | 120A/2S, disconnect charger to recover | |||||||||
| Low temperature value | Charge over-temperature protection 60℃/2S / Release 55℃/2S | |||||||||
| Overtemperature value | Charging low temperature protection -5℃/2S / Release 0℃/2S | |||||||||
| 3 | Discharge protection | Undervoltage protection voltage value | 2.30V/1S | 2.70V/1S | 2.75V/1S | 3.0V/1S | 1.70V/1S | 1.80V/1S | 1.50V/1S | 2.00V/1S |
| ①Overcurrent protection value | 150A/2S, disconnect load or activate charging | |||||||||
| ②Overcurrent protection value | 250A/0.5S, disconnect load or activate charging | |||||||||
| Short circuit protection value | 500A/128uS, disconnect load or charge activated | |||||||||
| Low temperature value | Discharge over-temperature protection 65℃/2S, release 60℃/2S | |||||||||
| Overtemperature value | Discharge low temperature protection -20℃/2S, release -10℃/2S | |||||||||
| 4 | Others | Standby current consumption | 25uA | |||||||
| Motherboard lock voltage | / | |||||||||
Wiring precautions:
1. Installing the protective board requires a certain amount of
technical electronic knowledge.
2. When wiring, first connect the B- wire at the soldering pad
position to the total negative terminal of the battery (the B- wire
should be soldered to a short and thick wire) and solder the wired
terminal to the battery pack first, and then insert the protective
plate.
3. The connection between the battery terminal B- and the
protection board terminal B- should be short and thick, otherwise
it will cause the protection board to charge and discharge in
advance and malfunction.
4. You need to use thick wires when wiring P+/P-. Wires that are too thin and too long will burn the board!
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.
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