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EEL 12V DIY Battery case with JK 200A bluetooth BMS for Golf Cart,RV,EV,boat,EU Stock Pre-sale
EEL 12V DIY Battery case with JK 200A bluetooth BMS for Golf Cart,RV,EV,boat,EU Stock Pre-sale
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Estimated arrival time: October 15, 2025
NOTICE:
*THE PACKAGE DOES NOT INCLUDE LIFEPO4 CELLS
*Please make sure that your battery cells are consistent before building the pack.
Specifications:
Standard Voltage: 12V
Maximum Discharge Current: 200A
Maximum Continuous Charge Current: 100A
Maximum Continuous Discharge Current: 150A
Communication: CANBUS and RS485
(Communication-capable models only)
Material: Steel
Weight: 9kg
Dimensions: 220*395*250mm
Warranty: 5 years
OEM/ODM: Supported
Package Include:
- 2 * terminals(Positive/negative)
- 4* Epoxy boards
- 1 JK BMS switch line/1 3.2 inch diaplay
- 5 * Insulation cap
- 1 * 12V PCB Boards
- 1 * 250A Fuse
- 3 * Flexible Busbar
- Other Accessories
- The bluetooth BMS is B2A8S20P
- 2*Special Customized Bus bar
Free Shipping from the EU warehouse with 7-10 days delivery.
Attention:The battery box is not suitable for the Double-hole studs cells!

Frequently asked questions
What kind of BMS comes with the battery box?
We use the JK BXA8S20PXX series BMS, which has a built-in 2A active equalizer. There are three models in total: a conventional model, a model with heating function, and a model with heating and inverter communication function.
I already have my own JK BMS, can you provide me with an empty box?
Of course, tell us the model you need in the order notes and we can take out the BMS for you (Note: only for boxes shipped from China)
What types of prismatic lithium iron phosphate batteries is this box suitable for?
It is suitable for standard square battery cells such as 280/302/304/314Ah. Please contact us if you would like to know whether other battery cells are compatible.
I'm a novice and not good at assembling it myself. Can I buy batteries assembled with these boxes?
Of course, you can find it in our lithium battery pack product category. The BMS model and box model are both optional.
Can I change the logo on the housing to my own?
Of course, please contact us to provide your pattern file for customization.
Why choose EEL BATTERY 12V DIY battery kit ?
1. Build your own and save money compared to buying pre-made products.
2. The battery is replaceable, giving you the freedom to choose.
3. The all-metal casing is more durable than plastic.
4. The internal structure is compact and shake-free.
5. The color display allows for a clear view of real-time battery parameters.
6. A built-in 250A fuse provides effective protection.
7. Multiple versions are available to suit your needs.