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8.192kWh for Extended Touring
Carry a substantial energy reserve for your fridge, lights, water pump and everyday comforts between charging stops.
250A Continuous Output
Support demanding 12V loads and appropriately matched inverter appliances, with the complete system sized for the required current.
Battery Checks from Your Phone
View charge level, voltage, temperature and charging status over Bluetooth without opening the battery compartment.
Built for Regular Deep Cycling
Rated for 6,000 cycles at 80% depth of discharge, supporting repeated use on long touring trips and off-grid stays.
Low Self-Discharge Between Trips
A specified self-discharge rate of ≤3% per month helps retain stored energy while your caravan is parked.
Integrated Protection for Touring
An IP65 enclosure and BMS protection against electrical faults and charging or discharging temperature extremes help protect the battery.
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Built for compatible 12V house-power systems in large caravans, motorhomes, hybrid campers and long-distance touring setups. Suitable for off-grid solar storage, family camping, remote-work equipment and sheltered marine house-power installations, with appropriately matched inverter loads. Check battery-bay space, payload allowance, charging capacity and electrical compatibility for each installation.
Dispatched from our Australian warehouses, subject to stock availability. Free shipping is available to most areas in Australia; additional shipping fees may apply to some remote locations. Delivery times vary by location. View our Shipping Policy.
This battery is backed by a 5-year warranty. For product or after-sales support, please contact our team with your order number and issue details. View our Warranty Policy.
Fast Australian Dispatch
Price Guarantee
Global Warranty
Expert After-Sales Support
635 × 244 × 218mm / 25.00 × 9.61 × 8.58in
50.75 ±0.5kg / 111.88 ±1.10lb
IP65
−20°C–45°C / −4°F–113°F
ABS
LiFePO₄
12.8V
640Ah
8,192Wh / 8.192kWh
6,000 Cycles @ 80% DOD
≤3% per month
100% @ 0.2C
96–99% @ 0.5C
250A
Supported
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
14.4V ± 0.2V
CC/CV
128A
250A
200A
250A
10V
0°C–45°C / 32°F–113°F
−20°C–65°C / −4°F–149°F
M8
Yes — Smart Edition
IEC 62619, UN 38.3, RoHS, CE, FCC
5-Year Warranty
Battery
×1
Screw
×4
User Manual
×1
Plastic Insulation Cap
×2
User Manual & Specification Sheet · English PDFs
It suits compatible 12V house-power systems with higher daily energy needs. Check that your battery bay accommodates 635 × 244 × 218mm, terminal clearance and secure mounting, and that your payload allowance covers the 50.75kg battery. Charger settings, inverter demand, cables and fuses must also suit the installation.
An 80% discharge window gives a nominal energy budget of approximately 6.55kWh before losses. At 1.5kWh of daily consumption, the energy-only estimate is about 4.4 days without recharging. Actual runtime depends on appliance use, inverter and wiring losses, temperature, battery condition and available charging input.
It can form part of a suitably matched air-conditioning system. The 250A continuous limit must cover all connected loads. At nominal voltage, this equals 3,200W DC before inverter losses; it does not guarantee 3,000W AC throughout discharge. Check start-up surge, inverter efficiency and low-voltage current. Peak discharge current and duration are not specified in the datasheet.
Install the official Humsienk app for iOS or Android, enable Bluetooth and connect to the battery nearby. You can monitor charge level, voltage, temperature and charging status. Once installed, local Bluetooth monitoring does not require mobile data. The datasheet does not specify a guaranteed Bluetooth range.
The V1.1 datasheet does not state series or parallel limits. Ask Humsienk to confirm the approved configuration for HS12V640AH250BT before adding batteries or changing system voltage. Use matching models and follow the manufacturer-approved wiring, fusing and commissioning instructions. Existing 12V appliances also need suitable power conversion if system voltage changes.
The specified charging range is 0°C–45°C, while the discharge range is −20°C–65°C. The BMS includes separate high- and low-temperature protection for charging and discharging. Exact trip and recovery temperatures are not listed. Charge only within the approved range and choose an installation location that keeps the battery within its temperature limits.
IP65 provides protection against dust and water jets; it does not permit immersion. It can be considered for compatible 12V marine house-power systems with secure, sheltered mounting and protected terminals. Avoid bilge flooding and direct saltwater exposure. Check the vessel’s charging system, available space and weight allowance before installation.
Batteries purchased through Humsienk’s Australian website carry a five-year warranty for eligible manufacturing and material faults under normal use, subject to the published policy. For support, email service.au@humsienk.com with your order number, a description of the issue and relevant photos or videos.
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