White power station with Humsenk branding and a smartphone displaying app interface on a white background
HumsienK 48V 400Ah Floor-standing LiFePO4 Battery with integrated mobility features, shown indoors.
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Humsienk 48V 400Ah Floor-standing LIFePO4 Battery with BYD battery cells with clear casing on a blue background
Humsienk 48V 400Ah Floor-standing LIFePO4 Battery with 3A Current Active Balancing System with blue display and protective features on a dark background
Person using a Humsienk smartphone app to monitor 48V 400Ah Floor-standing LiFePO4 Battery in a kitchen.
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2 PACK White Humsienk 48V 400Ah Floor-standing LiFePO4 Battery with black accents and 'Humsen' branding on a white background
3 PACK White Humsienk 48V 400Ah Floor-standing LiFePO4 Battery with black accents and 'Humsen' branding on a white background
4 PACK White Humsienk 48V 400Ah Floor-standing LiFePO4 Battery with black accents and 'Humsen' branding on a white background

Humsienk - 48V (51.2V) 400Ah 20.48kWh Floor-standing Built-in BYD Cells LiFePO4 Battery with Wheels

$5,899.99 AUD $3,999.99 AUD

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.

Quantity: 1 Battery (20.48kWh)

1 Battery (20.48kWh)
2 Batteries (40.55kWh)
3 Batteries (61.44kWh)
4 Batteries (81.92kWh)
Order in the next [totalHours] hours %M minutes to get it between and

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Tech Specification
Humsienk | 48V LiFePO4 Battery Series – Specifications

🔋 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 CellsA+A+A+BYD
Shell TypeMetalMetalMetalMetal
TerminalQuick ConnectQuick Connect + M8Quick ConnectM8
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 Voltage51.2V51.2V51.2V51.2V
Nominal Capacity100Ah300Ah314Ah400Ah
Energy5.12kWh15.36kWh16.07kWh20.48kWh
Cycle Life6000 @ DOD80%6000 @ DOD80%6000 @ DOD80%6000 @ DOD80%
Self Discharge≤3% / Month≤3% / Month≤3% / Month≤3% / Month
Charge Voltage56.8-58.4V56.8-58.4V56.8-58.4V56.8-58.4V
Charge ModeCC/CVCC/CVCC/CVCC/CV
Recommended Charge≤20A≤60A≤62.8A≤80A
Max Charge100A200A200A200A
Recommended Discharge50A150A157A200A
Max Discharge100A200A200A200A
Cut-off Voltage40V40V40V40V
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 RatingIP54IP54IP54IP20
Delivery and shipping

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
Return and Refund

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.