Holiday Notice (Oct 1–7): China shipments resume Oct 9–10. Overseas warehouses unaffected.
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Welcome to our store
Customer Service 008618100274609





Dispatched in 1–2 days; delivered to your door in 3–7 days.
Warehouse Address:
3000 N Sam Houston Pkwy West,STE 200,
Houston, TX,USA,77038
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
The New & Improved Wistek 15kWh DIY Box
I. What’s New?
II. Built to Perform
Our 15kWh DIY Box is more than just an enclosure; it’s a complete Triple-Layer Safety system. Combining a smart BMS, a circuit breaker, and our new T-type fuse, it’s built to protect your investment. With flexible busbars that handle 200A continuous current, you can easily push a 10kW load. Plus, with the JK Smart BMS, a 4.3-inch touchscreen, and built-in heating pads, your battery will stay safe and warm even in the coldest winters.
Suitable for
Battery cells dimension(W*T*H):173*72*204mm

The included master positive and negative busbars feature an innovative dual-hole configuration, giving you the ultimate flexibility to host both single-M6 terminal cells and dual-hole terminal prismatic cells.
💡 Note: The kit includes the standard universal master busbars. Flexible cell-to-cell busbars/links specifically engineered for dual-hole cells are not included and should be sourced based on your specific cell model.

The DIY BOX is equipped with a high-quality 250A circuit breaker, which provides sensitive and fast response to protect the battery and circuit system from damage.

The DIY power bank enclosure is equipped with a heating pad and a fire extinguisher.
Heating plate: Protects your battery from damage caused by low temperatures, allowing for normal and stable charging and discharging even below zero degrees Celsius.
Fire extinguisher: Provides an extra layer of protection for the battery and your property.


Installation videos and documentation are provided to help you complete the assembly at home.

| Battery Box Model | 48V 16S 15kWh DIY Battery Box (V2 Series) |
| Compatible Cell Type | LiFePO4 (Prismatic 280Ah / 300Ah / 314Ah) |
| Applicable Number of Strings | 16S (51.2V Nominal) |
| Nominal Energy Capacity | 14.3 kWh - 16.0 kWh |
| Integrated BMS Model | JK Inverter BMS (JK-PB2A16S20P) |
| Balance Mode | Active Balance |
| Balance Current | 2A |
| Max Continuous Discharge Current | 200A |
| Peak Discharge Current | 350A |
| NTC Quantities | 4 Temp Sensors (NTC1 - NTC4) |
| Overcurrent Protection | Yes |
| Overvoltage Protection | Yes |
| Temperature Protection | Yes |
| Short Circuit Protection | Yes |
| Display & Interface | 4.3-inch LCD Touch Screen |
| Bluetooth / App Monitoring | Yes |
| Communication Protocols | CANbus / RS485 / RS232 |
| Operating Temperature Range | -20℃ ~ 65℃ |
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
My DIY box arrived well packed, no shipping damage, everything appears to be good quality. I will order another one when they're back in stock.
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