Product Details
51.2V 314AH DIY Battery Kit, a premium DIY kit engineered for residential solar and off-grid cabins. Equiped with industry-leading V19 JK Smart BMS, this is for building the most popular power system for smart homeowners.
EU Stock & Tax-Free DDP Delivery: Dispatched directly from our Poland warehouse. Enjoy 3-7 working days fast shipping with zero customs duties.
If you are in other countries like the UK, Canada, the USA, Australia, etc. Please choose ship from China, the goods will be dispatch from China warehouse.
Market-Proven: Europe's Most Popular 16kWh Energy Storage Solution.
V19 JK-PB2A16S20P Smart BMS with 2A Active Equalization Current, it continuously redistributes energy from higher-voltage cells to lower ones.
Extended Lifespan: Maintains perfect 16-cell consistency even under heavy charge/discharge cycles, maximizing your investment's cycle life.
Bluetooth App Control: Monitor cell voltages, temperature, and SOC in real-time from your smartphone.
Widely Compatible with Most Inverter Brand in the Market: you can tell us your inverter brand and the protocol name if you want to get double confirmation before a purchase.
Ultimate Safety: Integrated Hot Aerosol Fire Extinguishing Device
Your family's safety is our absolute priority. The enclosure comes pre-installed with an industrial-grade Hot Aerosol Fire Suppression Device.
51.2V Home ESS Enclosure
ALL-IN-ONE KIT: Hardware, wires, bms, pcb boards, lcd and brackets fully included.
Why Build With AmpBird
Everything for a safe, reliable DIY pack.
Complete DIY Hardware Kit
Includes the BMS, busbars, terminal hardware, wiring, and essential assembly components. Grade A LiFePO₄ cells can be purchased separately from AmpBird.
Grade A Matched Cells
We offer cells that are capacity-tested and voltage-matched as a set, so your pack balances faster and lasts longer.
Pre-Programmed BMS
The included BMS ships configured for your cell count and chemistry. No laptop, no parameter guesswork.
Save vs Pre-Built
Building your own pack costs significantly less per kWh than a finished battery -- with the same Grade A cells.
Custom Capacity
Choose your cell count and configuration to build exactly the voltage and kWh your system needs.
Full Build Documentation
Step-by-step assembly guide, wiring diagrams, and torque specs included. Support if you get stuck.
Technical Specifications
Kit components and electrical specs
| Parameter | Value |
|---|---|
| Configuration | 16S1P |
| Nominal Voltage | 51.2V |
| Compatible Cells | 16 × 3.2V Prismatic LiFePO4 Cells (280–334Ah) |
| Cell Included | No (Sold Separately) |
| Cell Type | Grade A Prismatic LiFePO4 |
| Operating Voltage | 42.0V–58.4V |
| BMS | JK Smart BMS V19, 16S 200A |
| Max Continuous Current | 200A |
| Communication | CAN / RS485 |
| Compatible Inverters | Deye, Victron, Growatt, Solis, SMA, LuxPower, and more |
| Expandable | Up to 16 Units in Parallel |
| Weight | 28 kg |
| Dimensions (L × W × H) | 440 × 260 × 852 mm |
| Operating Temperature | Charge: 0°C to 40°C / Discharge: -20°C to 40°C |
| Protection Rating | IP20 |
| Warranty | 5 Years |
QUESTIONS & ANSWERS
Frequently Asked Questions
Does this DIY battery kit include LiFePO4 cells?
What is included in the DIY battery kit?
How many battery cells are required?
What battery cells are compatible with this kit?
Can I purchase the battery cells together with the kit?
Can I mix battery cells with different brands or capacities?
Does the JK Smart BMS support inverter communication?
Can beginners assemble this battery kit?
Do you provide assembly instructions and technical support?
What should I do if my order arrives damaged?
The product arrived quickly and neatly packaged, haven't been able to test it yet.
