FORSTER 280Ah 12.8V LiFePO4 Premium Underseat Battery | 200A-BMS-2.0 | Ducato Ford PSA

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  • Normal price €2.797,60
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280Ah lithium battery as a full lead-acid battery replacement for your underseat battery in the Ducato, Transit, Sprinter or PSE mobile home

This 280Ah Lithium LiFePO4 battery is specially designed for mobile homes and for installation under the passenger seat. Many of the common motorhomes such as Fiat Ducato, Citroen Jumper or Peugeot require an extra flat lithium battery for installation under the passenger seat. Depending on the seat console, 1-2 batteries can be mounted one behind the other. With the new lithium-iron technology, you can replace your previous lead-gel or AGM battery quickly and easily for the first time.

Almost 300Ah capacity under the seat!

The ultra-light battery can be used purely as a supply battery and can be loaded up to 200A continuously or 400A briefly. The significantly lower weight, the long operational reliability, the long service life and the long service life are decisive advantages compared to conventional batteries of old technology.

double the capacity in the same space

60% less weight

Longer lifespan

2500W inverter continuous power


  • High current resistant, ideal for powerful applications such as air conditioning, coffee machines, hair dryers, etc.
  • Replaces a 560Ah lead battery
  • Built-in 200A power BMS
  • Very light weight
  • Fast chargeable
  • High intrinsic safety
  • Temperature stable
  • Frost Cell Control
  • Over 3000 cycles at 90% discharge
  • Service life up to 10 - 20 years
  • 100% maintenance free
  • Environmentally friendly, no lead, no acid
  • Recyclable!
  • 5-year manufacturer's guarantee

The lithium iron phosphate battery (LiFePO4) is from the family of lithium ion battery types the safest. It can withstand high currents, can be used universally and is lighter than lead, gel or AGM batteries. In addition, the latest lithium-iron technology offers a high degree of intrinsic safety, so that there is no risk of explosion even under the most extreme conditions. A 12.8V LiFePO4 battery consists of 4 individual cells connected in series, each with a nominal voltage of 3.2V. A built-in battery management system (BMS) also protects the battery cells from damage.

Advantages of our LiFePO4 battery compared to lead batteries:

  • High discharge currents possible up to the specified capacity
  • Due to the up to 60% lower weight, more payload is possible
  • Due to the smaller space requirement, more capacity can be carried in the same space
  • Up to 10 times longer service life due to the high number of cycles of the LiFePO4 technology
  • Extremely fast charging of the cells possible
  • Complete discharge of the specified nominal capacity possible
  • The battery is protected by a battery management (BMS)
  • Charging in the mobile home is carried out using common lead or acid chargers with a charging end voltage of 14.6V
  • The battery is winterproof and does not have to be removed down to -20° C
  • Delivered fully charged, install and drive off
  • In order to use the battery, no changes to the mobile home or additional electronics are required
  • Due to the low self-discharge, a closed battery can be stored for up to 6 months without any problems
  • You can connect any number of batteries in parallel for more capacity

Battery Management System (BMS)

A battery management system monitors and controls the individual cells of a battery and protects them from damage

Important functions of a battery management system:

  • overload protection
  • deep discharge protection
  • overvoltage protection
  • Active cell balancing
  • Load monitoring and control
  • Temperature protection of the cells
  • BMS temperature protection
  • Automatic intelligent charging control from 0°C cell temperature
  • short circuit protection

Battery status display:?Here we recommend installing a measurement shunt to precisely determine the state of charge and the consumption values. Select the appropriate shunt either with a display or with a Bluetooth connection and an APP on your tablet or mobile phone. We are happy to offer you the battery with a Victron Bluetooth measuring shunt in a bundle under item no. F12-280XB on.


CE: General operational safety

UN38.3: Tested transport safety in traffic

RoHS: Tested material safety

GUARANTEE: 5 year manufacturer warranty

You can find suitable pole adapters here

Delivery time: 1-3 working days

Technical data

You can find more information here.

data / order no.:






Replaces lead-gel AGM battery


Rated voltage


energy content


operating voltage

10.5V - 14.6V

Application parallel circuit

yes, any number of the same type possible in parallel!

Application series circuit

yes, serial up to 24V, 36V and a maximum of 48V possible!


CCCV / IU / IUoU / lead-acid

End of charge voltage

14.2V - 14.6V

trickle charge

13.3 - 13.8V

Maximum charge current


Recommended charging current


MaxDischarge current / 5 sec


continuous discharge current


Battery shutdown


BMS Battery Management System


Remote monitoring (at X)

optionally possible with 500A Bluetooth measuring shunt and free APP

Remote monitoring (for XB)

integrated 500A Bluetooth measuring shunt and free APP

Battery with Bluetooth measuring shunt no.:


cell type

BPC Big-Prismatic-Power high-load cells- GradeAA

cell technology

Lithium LiFePO4

Protection class


cycles / service life at 50% DoD


cycles / service life at 80% DoD


cycles / service life at 90% DoD


Temperature during charging

0°C to +60°C / below 0°C the charging current is automatic Reduced by "Cell Frost Control" in the BMS

Temperature during discharge

-20°C to +60°C

RecStorage temperature

-10°C to 30°C


80 - 100% charged / when not in use, charge the battery every 6 months

self discharge

1 - 2% / month


5 years



positive pole arrangement

front right







Preparation for shunt assembly


Built-in emergency stop button


installation position

any, standing, lying, sideways, upright, upside down,