Humsienk 12V 640Ah 8.19kWh Smart LiFePO₄ Battery – 250A BMS for Caravans & Off-Grid

$1,899.90 AUD $1,499.99 AUD

Humsienk 12V Series Product Manual

Choose Your Battery Pack: 1 Battery – 8.19kWh

1 Battery – 8.19kWh
2 Batteries – 16.38kWh | Most Popular · Extra 1% Off
3 Batteries – 24.58kWh | Extra 2% Off
4 Batteries – 32.77kWh | Extra 3% Off
1 Battery – 8.19kWh + 12V 15A LiFePO₄ Charger
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Description

Designed for Big Lap and Extended Free Camping

With 8.19kWh of nominal energy, this battery is particularly suited to Australian travellers with higher daily power consumption.

Recommended applications include:

  • Large dual-axle caravans
  • Motorhomes
  • Big Lap touring
  • Extended free camping
  • Family caravan holidays
  • Off-grid basecamps
  • Remote work and Starlink setups

At an 80% depth of discharge, the battery provides approximately 6.55kWh of planned usable energy. Actual operating time depends on appliance consumption, inverter efficiency, temperature and available solar input.

Tech Specs
Mechanical Plastic Case ABS
Size 635 x 244 x 218 mm / 25.00 x 9.61 x 8.58 in
Weight 50.75+0.5kg/111.88+1.10 lb
Electrical
Characteristics		 Nominal Voltage 12.8V
Nominal Capacity 640Ah
Energy 8192Wh
Terminal M8
Cycle Life 6000@DOD80%
Months Self Discharge s3%/Month
Efficiency Of Charge 100%@0.2C
Efficiency Of Discharge 96~99%@0.5C
Standard Charge Charge Voltage 14.4V+0.2V
Charge Mode CC/CV
Charge Recommended Current 128A
Max. Continuous Charge Current 250A
Standard Discharge Discharge Recommended Current 200A
Max. Continuous Discharge Current 250A
Discharge Cut-Off Voltage 10V
Environmental Charge Temperature 32°F~113°F/0℃C~45°C
Discharge Temperature -4°F~149°F/-20°C~65°C
Storage Temperature -4°F~113°F/-20°C~45°C
Ingress Protection Rating IP65
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: 3-7 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.au@humsienk.com.

Tips: Please read our Return and Refund policy page for more details.