Humsienk - 48V (51.2V) 400Ah 20.48kWh Floor-standing Built-in BYD Cells LiFePO4 Battery with Wheels
Production dimension & weight: 1251*200*741mm | 186kg
- 6000+ Cycles with BYD Battery Cells: Long-life performance at 80% DoD far exceeding industry standard.
- 20.48 kWh in One Unit: Replaces 4x standard 48V 100Ah batteries. Simplifies setup, cuts wiring & costs.
- 200A Output for 7-10kW Inverters: Handles surge loads (motors, tools) & powers whole home/business.
- Expandable to 15 Units (307.2kWh): Modular growth + includes install kit.
- Works from -4°F~140°F(-20°C to 60°C) Reliable in extreme heat or cold.
- Plug & Play with Major Inverters: Works with Victron, Growatt, SRNE via CAN/RS485/RS232.
- Safe & Smart Management: Steel casing + active cell balancing (15mV) + Bluetooth/LCD monitoring.
🔋 Humsienk 48V LiFePO₄ Series
Premium deep-cycle storage | Grade A+ / BYD cells | Smart BMS & high efficiency
| Specification | 48V 100Ah | 48V 300Ah | 48V 314Ah | 48V 400Ah |
|---|---|---|---|---|
| Battery Cells | A+ | A+ | A+ | BYD |
| Shell Type | Metal | Metal | Metal | Metal |
| Terminal | Quick Connect | Quick Connect + M8 | Quick Connect | M8 |
| Size / mm (L×W×H) | 550 x 485 x 185 | 908 x 620 x 218 | 890 x 620 x 254 | 1251 x 200 x 741 |
| Weight | 50.0 ±0.5 kg | 118.0 kg ±3% | 133.5 ±0.5 kg | 186.0 kg ±5% |
| Nominal Voltage | 51.2V | 51.2V | 51.2V | 51.2V |
| Nominal Capacity | 100Ah | 300Ah | 314Ah | 400Ah |
| Energy | 5.12kWh | 15.36kWh | 16.07kWh | 20.48kWh |
| Cycle Life | 6000 @ DOD80% | 6000 @ DOD80% | 6000 @ DOD80% | 6000 @ DOD80% |
| Self Discharge | ≤3% / Month | ≤3% / Month | ≤3% / Month | ≤3% / Month |
| Charge Voltage | 56.8-58.4V | 56.8-58.4V | 56.8-58.4V | 56.8-58.4V |
| Charge Mode | CC/CV | CC/CV | CC/CV | CC/CV |
| Recommended Charge | ≤20A | ≤60A | ≤62.8A | ≤80A |
| Max Charge | 100A | 200A | 200A | 200A |
| Recommended Discharge | 50A | 150A | 157A | 200A |
| Max Discharge | 100A | 200A | 200A | 200A |
| Cut-off Voltage | 40V | 40V | 40V | 40V |
| Charge Temp | 2°C~50°C | 0°C~55°C | 2°C~50°C | 0°C~55°C |
| Discharge Temp | -20°C~65°C | -20°C~60°C | -20°C~65°C | -20°C~60°C |
| Storage Temp | -20°C~45°C | 0°C~45°C | -20°C~45°C | 0°C~45°C |
| IP Rating | IP54 | IP54 | IP54 | IP20 |
At Humsienk, we are committed to providing our customers with a smooth, efficient, and safe shipping experience.
Shipping Methods and Time
We offer two shipping methods to meet your needs, whether you're ordering a single battery or bulk quantities. All shipping is processed through reliable carriers, including Allied express, AU post & Team Global express.
- Processing time: 1-2 business days
- Shipping time: 5-10 business days
The shipping will delay for some objective or uncontrolled reasons. We will notice our customer ahead for delays.
Please read our shipping policy page for more details.
Contact Us
If you have any questions or concerns about shipping, delivery, or the handling of your order, please don’t hesitate to reach out to our customer support team:
- Email: service.au@humsienk.com
- Phone: (+86)755 3452 3348
30-Day Return Policy
We want you to be completely satisfied with your Humsienk purchase. That's why we offer a hassle-free 30-day return policy.
Refunds:
Once we receive your approved return, we'll inspect the item and issue a full refund within 3 business days to your original payment method. Processing times by your bank or credit card company may apply.
Order Cancellation:
We typically process orders within 1-2 business days. To cancel an order, contact us as soon as possible at service@humsienk.com.
If the order has already shipped, we'll process a refund within 3 business days of receiving the returned product.
Contact Us:
For questions about our return policy or to initiate a return, please contact us at service@humsienk.com.
Tips: Please read our Return and Refund policy page for more details.






