Europe Warehouse Stock
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51.2V 16S LiFePO4 Battery Pack DIY Kit Case with JK BMS WIFI Function
Ship from China US$458.00
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Gobel Power Project X LiFePO4 Battery DIY Kit
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EU Stock Grade A EVE 3.2V 314Ah MB31 Rechargeable LiFePO4 Battery Cell
Ship from Europe US$78.00
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Gobel Power DIY Kit 51.2V 314Ah 280Ah Battery Case Kit with BMS Circuit Breaker
Ship from China US$458.00
18 kWh you
build yourself.
The GP-SR1-JK-KIT-18K is a complete DIY battery kit — EVE 356Ah LiFePO4 cells included, plus a 200A JK BMS, active balancing, and WIFI monitoring. Everything you need to build a 51.2V 18kWh battery yourself.
The whole kit.
Cells included.
The kit brings the EVE 356Ah LiFePO4 cells, the 200A JK BMS, WIFI monitoring module, enclosure, and assembly hardware — a complete DIY package. Assemble it yourself and keep the savings.
- 200A JK BMS and 2A active balancer included
- WIFI monitoring module included
- Rack enclosure and assembly hardware included
- EVE 356Ah LiFePO4 cells included (16S1P)
- Builds a 18.227 kWh / 51.2V system
A JK BMS that
watches every cell.
The 200A JK BMS monitors voltage, current, and temperature in real time, while a 2A active balancer keeps every cell in step — so the pack you build stays balanced from day one.
- 200A JK BMS with real-time monitoring
- 2A active balancer keeps cells matched
- Overcharge, over-discharge, and short-circuit protection
- Structural and electrical safety
Watch it
from anywhere.
The included WIFI module connects your battery to an app, so you can check state of charge, voltage, and cell balance from your phone — Bluetooth is there too for close-range access.
- WIFI monitoring module included
- Bluetooth for close-range access
- RS485 / RS232 / CAN for inverter communication
- Real-time status from your phone
Start with one.
Grow to 274 kWh.
Each module delivers 18.227 kWh of LiFePO4 storage. Parallel up to 15 modules for 274 kWh and 150 kW of continuous power.
- Parallel up to 15 modules — 274 kWh total
- 200A / 10 kW continuous per module, up to 3000A / 150 kW
- Floor or rack-mount installation
- 884.69 × 482.8 × 240 mm complete module footprint
Built for every
way you use it.
From home energy storage and solar self-consumption to off-grid independence and installer projects, the GP-SR1-JK-KIT-18K fits.
JK BMS Warranty & Important Notice
Unlike the PC200 BMS, the JK BMS firmware and software are developed and maintained entirely by JK. As the hardware integrator, we do not have access to, or control over, the JK BMS firmware or software.
If firmware or software issues are identified, we can report them to JK and request improvements or firmware updates. However, the implementation, release schedule, and effectiveness of such updates are solely determined by JK.
Therefore, Gobel Power cannot be held responsible for any issues caused by the JK BMS firmware or software. Our warranty covers JK BMS hardware only and does not extend to firmware or software behavior.
Important Notice
- SOC (State of Charge) accuracy may not always be reliable.
- When multiple battery packs are connected in parallel, it is common for different packs to display noticeably different SOC values, even when their voltages are nearly identical.
- The JK BMS does not currently support manual SOC calibration or synchronization between parallel battery packs.
- These behaviors are limitations of the JK BMS firmware and software rather than the battery hardware.
Power you build.
Savings you keep.
Backup power, solar self-consumption, or full off-grid independence — the GP-SR1-JK-KIT-18K gives you the EVE 356Ah LiFePO4 cells, JK BMS, WIFI monitoring, and everything else you need to build a dependable LiFePO4 energy storage system, backed by Gobel Power's warranty.
- Model:
- GP-SR1-JK-KIT-18K_WIFI_FULL
- BMS:
- Included
- WIFI Module:
- Buy Seperately
- Circuit Breaker:
- Included
- Terminals:
- Included
- Cables:
- Included
- Expoxy Sheets:
- Included
- Screws:
- Included
- Heating Pad Max Power:
- 2A/120W
- Compatible with:
- EVE356Ah
The GP-SR1-JK-KIT-18KWIFIFULL is a complete DIY package — EVE 356Ah LiFePO4 cells included (16S1P) — for building an 18.227kWh / 51.2V server-rack or floor-standing battery:
- Cells: 16x EVE 356Ah HSEV- LiFePO4 cells (custom-fit battery box sized for 356Ah)
- BMS: JK 16S 200A BMS (JKBMS 200A V19) with 2A active balancer and LCD touchscreen display, power switch, collection wiring harness, and communication board
- Circuit breaker: integrated 200A DC circuit breaker (2P100A) for overcurrent and short-circuit protection
- Construction: heavy-duty steel battery case, high-insulation epoxy boards, and thick flexible copper busbars
- Mounting hardware: screws and full assembly accessories
Optional accessories: heating pad (2A/120W) for cold climates and the WIFI module (bought separately) for remote monitoring. Module footprint: 884.69 × 482.8 × 240 mm — supports floor or rack-mount installation.
WiFi: the JK BMS does not have built-in WiFi — it ships with Bluetooth for close-range access via the mobile app. For remote online monitoring, add the optional WIFI module (bought separately), which connects the battery to the Gobel VRM platform so you can check SOC, voltage, and cell balance from your phone anywhere.
Inverter compatibility: the JK 200A BMS supports multi-protocol CAN / RS485 / RS232 communication, so the kit integrates with mainstream hybrid solar inverters in lithium battery mode. If your inverter has no BMS communication input, configure it manually in lead-acid mode:
- Max charge voltage:
55.2V(3.45V per cell) - Max charge current:
150A - Max discharge current:
200A
The BMS provides real-time voltage, current, and temperature monitoring, plus overcharge, over-discharge, and short-circuit protection.
Parallel expansion: Yes. Each module delivers 18.227kWh of LiFePO4 storage. Parallel up to 15 modules for a total of 274kWh / 150kW continuous (up to 3000A), ideal for home energy storage, off-grid, and installer projects.
- Same capacity packs only: do not parallel packs of different capacities or cell versions
- SOC consistency: the JK BMS does not support manual SOC calibration between parallel packs, so SOC readings may differ slightly between packs. Perform a full charge to 100% at least once a month to keep SOC accurate and prevent drift.
Warranty:
- LiFePO4 cells: 10-year warranty on DIY kit cells
- JK BMS: 1-year warranty covering hardware only. The JK firmware and software are developed and maintained entirely by JK, so Gobel Power cannot be held responsible for firmware/software behavior
- 30 days free return to the local warehouse
If you need full firmware support, we recommend our PC200 BMS version of this kit.
DIY 16S LiFePO4 Battery Kit for EVE 356Ah Cells – 51.2V 18kWh Capacity
Build your own high-capacity 18kWh energy storage system with this comprehensive DIY 16S LiFePO4 battery kit, designed specifically for EVE 356Ah cells. Whether you're setting up a 51.2V solar energy storage solution, an off-grid power system, or a home backup battery, this kit provides all essential heavy-duty components for a reliable, safe, and efficient DIY build.
Key Features
- 16S 51.2V Configuration: Optimized specifically for 16-cell EVE 356Ah series arrangements, delivering a total energy capacity of 18.2kWh.
- Custom-Fit for EVE 356Ah Cells: Perfectly sized battery box and heavy-duty busbars tailored to accommodate high-capacity 356Ah LiFePO4 cells seamlessly.
- Advanced JK 200A Active Balance BMS: Equipped with a JK 16S 200A BMS featuring 2A active balancing, Bluetooth monitoring, and multi-protocol CAN/RS485 communication for real-time app tracking and inverter integration.
- Robust & Safe Construction: Includes a heavy-duty steel battery case, integrated DC circuit breaker, high-insulation epoxy boards, and thick flexible copper busbars for high-current efficiency.
- Parallel Scalability: Supports multi-pack parallel connection, allowing you to easily expand your total storage capacity up to hundreds of kilowatt-hours.
- All-in-One Complete Kit: Comes with LCD touchscreen display, power switch, collection wiring harness, communication board, and full mounting hardware for hassle-free assembly.
Important Notice & Kit Details
The Gobel Power 51.2V EVE 356Ah Battery Case Kit is the ultimate DIY enclosure solution for off-grid enthusiasts and solar installers looking to construct an 18kWh server-rack or floor-standing power bank.
The included JK Active Balance BMS monitors cell voltage, temperature, and current in real time, preventing thermal runaway and maximizing battery lifespan. An integrated high-amp DC breaker provides ultimate overcurrent and short-circuit protection for your system.
Note: LiFePO4 battery cells are NOT included in this kit and must be purchased separately. Basic electrical safety knowledge is recommended for assembly.
Gobel Power was established in 2012 and is based in Shenzhen, China. Our products and services include wholesaling cylindrical & prismatic LiFePO4 and Lithium Ion battery cells, producing lithium battery packs and providing battery solutions. Our products are mainly used in solar energy storage, electric bikes, electric scooters, electric motorbike, boats, forklifts, sweepers, golf carts, and recreational vehicles.
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EU Stock High Grade A+ EVE 3.2V 280Ah Rechargeable LiFePO4 Battery Cell
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