Supervolt Jumbo 12.8V 480Ah LiFePO4 under-seat battery with heater and integrated Bluetooth
3.193,19 € incl. VAT 0% MwSt. - § 12 Abs. 3 UStG
(3.193,19 € exkl. MwSt.)
- Free shipping within Germany
- 7 year guarantee
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- 12.8 V / 520 Ah / 6,656 Wh – maximum energy for campers, boats & off-grid systems
- Intelligent BMS with protection against overcharging, deep discharge, overheating & short circuits
- Certified according to: ECE R10 (E24), CE, UN38.3, MSDS, IATA, IMO
- Over 3,000 charging cycles at 90 % DOD – 100 % usable capacity
- Active & passive cell balancing for maximum service life
- 300 A continuous current, 1,000 A peak current, fast-charging capability
- Integrated heating – safe charging down to -30 °C
- Compact under-seat housing: 355 × 350 × 190 mm at only 45.25 kg
- 3× RJ45 connections for Victron GX, Truma RV Core, NMEA 2000, CI bus, MBAC, etc.
- Series & parallel connection possible (up to 4S)
- Compatible with: Solar, charge booster & alternator
- 7-year warranty & full app control via Bluetooth 5.0
This high-quality under-seat battery has been designed to meet even the highest performance requirements while fitting under the seat of any panel van. With the Supervolt Jumbo 12.8V 480Ah under-seat battery you can enjoy maximum self-sufficiency thanks to its impressive storage capacity of 480Ah/6144 Wh.
- NEW: Integrated Victron CAN interface for Victron inverters and Victron GX, as well as CI BUS standard
- NEW: Screw housing for easy maintenance
- NEW: On/off switch to prevent the battery from discharging
- NEW: 3x network slots for the interfaces, interconnection of the batteries and easy import of BMS software updates
- Perfect fit: With dimensions of 356 x 350 x 190 mm (without poles), this battery fits under the seat of any panel van and therefore offers excellent use of space.
- Plug and Play BMS: Our battery management system (BMS) is easy to use and offers excellent protection for your battery.
- Integrated heater: Even at extreme temperatures of up to -30C°, the battery can be charged without any problems thanks to its integrated heater.
- Integrated active balancer: The even charging of all cells is ensured by our integrated active balancer.
- Powerful BMS: Our BMS enables a continuous discharging current of 300A and a continuous charging current of 200A.
- Peak discharge current: With an impressive peak discharge current of 1000A, this battery offers outstanding performance.
- Bluetooth connectivity: Monitor the status of your battery with the Supervolt app via Bluetooth.
- Two communication ports: Expand your options with our two communication ports, ideal for connecting an external screen, an on/off switch or even a future mobile radio module for monitoring and recording battery values via the Internet.
- Weight saving: Compared to lead batteries, you save weight with our batteries. They only weigh 42.75 kg!
- High-quality EVE prismatic cells: Our batteries use only high-quality EVE prismatic cells, which are known for their longevity and performance.
PRODUCT INFORMATION
Item number:
SJ520
Weight:
45.25 kg
Dimension:
355 × 350 × 190 mm
Protection class:
IP54
Certificates:
ECE R10 (E24), CE EMV, MSDS, UN38.3, IATA, IMO
Guarantee:
7-year manufacturer’s warranty
ELECTRICAL DATA
Nominal voltage:
12.8 V
Capacity:
520 Ah
Energy:
6656 Wh
Self-discharge:
<3% per month
Max. batteries in series connection:
4
DISCHARGE SPECIFICATIONS
Max. constant discharge:
300 A (4 kW)
Max. Peak discharge (5 s):
1000 A (12.8 kW)
CHARGING SPECIFICATIONS
Recommended const. Charging current:
~50 A
Maximum charging current:
300 A
Recommended charging voltage:
14.2 – 14.6 V
Balancer:
Active & Passive
Balancer voltage:
14.4 V
TEMPERATURE SPECIFICATIONS
Unloading:
-30 to 60 °C
Loading:
0 to 65 °C
Heating active:
-30 to 10 °C
Storage:
-30 to 60 °C
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Supervolt JUMBO 520 Ah – maximum self-sufficiency under the seat
The Supervolt JUMBO series is the powerhouse among our LiFePO4 batteries. With a capacity of 520 Ah, it delivers almost limitless energy and, thanks to its compact design, fits under the seat of many vans such as the Fiat Ducato, Citroën Jumper or Peugeot Boxer.
The powerful Smart BMS (active & passive balancing) enables 300 A continuous current and 1,000 A peak (5 s) – perfect for large inverters, air conditioning systems and powerful 12 V consumers. The integrated heating system allows safe charging down to -30 °C.
Three RJ45 ports offer flexible system integration in Victron GX, CI-BUS, NMEA2000 or MBAC (Mercedes) as well as active communication, cascading and diagnostics. The on/off/reset switch protects against deep discharge and allows the BMS to be restarted manually.
The bolted metal housing (IP54) with handles stands for robustness and easy maintenance. With Bluetooth BMS, A+ automotive cells and a 7-year warranty, the Supervolt JUMBO is the ideal choice for maximum independence, professional applications and extreme conditions.
High discharge current - constant 300A
Sufficient for all common camping equipment. At the same time! The battery can be constantly discharged with approx. 4 KW.
Maximum usable capacity
100% usable capacity! Lead batteries, on the other hand, can only be discharged to 50%.
Quick and easy to replace
Plug and Play – Almost always directly replaceable with the old battery without additional devices.
Maximum service life
Selected A-grade EVE prismatic cells!
The battery can be almost completely discharged over 3000 times.
Half as heavy, twice as strong!
50% less weight than lead or AGM batteries
With integrated heating
- Charge battery down to -30°C
- Ideal for winter camping and vehicles with an external battery compartment
- Heating activates automatically at below 0°C
- Efficient and energy-saving heating - heating elements are installed directly between the prismatic cells
Three RJ45 ports for full connectivity
The Supervolt PRO series offers three RJ45 ports that enable full connectivity and ensure that all relevant BMS data can be read out and integrated directly into existing systems – without any additional shunt.
- System integration - direct connection to Victron GX, CI-BUS, NMEA2000, MBAC (Mercedes) and many more, incl. transmission of all BMS data
- Parallel connection & cascading - safely connect several batteries with active communication
- Updates & diagnostics - simple software updates, BMS parameterization and fault diagnostics via the port
Safe on the road! Fully certified, also ECE R10!
You can rely on Supervolt. With a 7-year manufacturer’s warranty and full certification – including ECE R10 (E-mark) – you don’t have to worry about anything else.
Maintenance-free
With only 3% self-discharge per month when not in use. No problem during winter storage.
7-year manufacturer's warranty
The service life of our LiFePo4 batteries is considerably longer than 7 years.
Absolutely safe!
LiFePO4 is the safest lithium technology and is considered intrinsically safe.
Full control with the Supervolt BMS App
With our in-house developed Supervolt BMS app for Android and iOS, you can keep an eye on your LiFePO4 battery at all times.
A clear dashboard shows you all the important data:
- Tension
- Current flow
- State of charge (SOC)
- Cell voltages
- Residual capacity
- and much more.
Multi-battery support
Multi-battery systems are also supported – either in the overall overview or individually for each battery, including individual naming. Thanks to Auto-Connect, the app connects automatically at startup
Smart BMS with protective functions
Can be connected in parallel and in series
The Supervolt LiFePO4 battery can be connected in series up to 48V. (4 batteries)
Battery Management System (BMS)
Integrated, intelligent system that actively balances and protects the cells.
- Overload protection
- Deep discharge protection
- Overvoltage protection
- Active balancing of the cells
- Load monitoring and control
- Temperature protection of the cells (charging process switches off at below 0°)
- Automatic intelligent charging control
- Short-circuit protection
- Allows easy replacement with AGM or lead batteries
Future-proof!
3x RJ45 ports, integrated Victron, NMEA2000 and CI bus interface, update-capable BMS, also via app
Easy maintenance
Screw-on housing in under-seat format -> Fits under (almost) any seat
No deep discharging in winter!
Plug-in on/off switch: just press a button: Switch off the battery completely and reset the BMS
Supervolt Battery Checker - Authenticity guaranteed
With the Supervolt Battery Checker, you can check your battery directly for quality and authenticity. Simply enter the Bluetooth code and get full transparency immediately:
Capacity on delivery
Production date of the battery
Manufacturer information of the cells
QR codes for each individual cell
Serial numbers & production date of the cells
This is how we prove that only tested A-grade quality cells are installed in every Supervolt battery – for maximum safety and confidence.
Try it out for yourself:
Supervolt series at a glance
Our standard series – The best universal solution for every motorhome.
- Bluetooth Smart BMS
- 5 year guarantee
- ECE R10 (E24) certification
- 160A BMS (2KW continuous power)
- Incl. on/off switch
- DIN standard housing
Additional heating for winter camping.
- Bluetooth Smart BMS
- 5 year guarantee
- ECE R10 (E24) certification
- 160A BMS (2KW continuous power)
- Incl. on/off switch
- Integrated heating - charging down to -30 ºC
- DIN standard housing
Strong BMS + connectivity to numerous systems.
- Bluetooth Smart BMS
- 7 year guarantee
- ECE R10 (E24) certification
- 200A BMS (2.5KW continuous power)
- Incl. on/off switch
- Integrated heating - charging down to -30 ºC
- 3x RJ45 network interfaces
- DIN standard housing
Maximum capacity in the smallest of spaces
- Bluetooth Smart BMS
- ECE R10 (E24) certification
- 300A continuous & 1000A short term discharge
- Integrated heating - charging down to -30 ºC
- 7 year guarantee
- 3x RJ45 network interfaces
For the highest performance requirements and waterproofness.
- Bluetooth Smart BMS
- DIN standard housing
- ECE R10 (E24) certification
- Up to 1800A short-term discharge possible
- Integrated heating - charging down to -30 ºC
- IP65 dust & water protection
Downloads
Certificates
Dimensions
Downloads
Certificates
- ECE R10, E24 test mark
- CE EMC, electromagnetic compatibility
- MSDS Material Safety Data Sheet
- UN38.3 Transport certificate for the road
- IATA transport certificate for air freight
- IMO transport certificate for sea freight
Dimensions
Dimensions (L x W x H) & weight
- 105Ah Compact: H6 DIN 278 x 175 x 190 mm- 10,5kg
- 150Ah: H8 DIN 353 x 175 x 190mm – 16,0kg
- 180Ah: H8 DIN 353 x 175 x 190mm – 15,5kg
- Connection
Round pole with M8 internal thread (SAE) - Housing material
ABS - IP protection class
IP54
Electrical specifications
- Nominal voltage
12.8 V - Self-discharge
<3% per month - Max. Batteries in series connection
4
Discharge specifications (105Ah)
- Maximum constant discharge
160 A (2KW) - Maximum peak discharge (5 seconds)
250 A (3.2KW)
Discharge specifications (150 & 180Ah)
- Maximum constant discharge
200 A (2.6KW) - Maximum peak discharge (5 seconds)
300 A (3.8KW)
Charging specifications
- Recommended charging current
50 A - Maximum charging current (105 Ah)
160 A - Maximum charging current (150 & 180Ah)
300 A - Recommended charging voltage
14.2 V – 14.6 V - Balancer voltage
3.4 V - Balancer current active
1-5A - Balancer current passive
50-100mA
Temperature specifications
- Discharge temperature range
-20 to 65 ºC - Charging temperature range
-30 to 65 ºC - Storage temperature range
-20 to 50 ºC
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