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Dometic PLB40
Portable lithium battery, 40 Ah

The Dometic PLB40 Ah Lithium Iron Phosphate battery delivers high levels of mobile power – up to 40 hours of Dometic CFX 40W cooling on a single charge. Designed for powering powered coolers and other 12 V appliances while being off-grid. Thanks to its lightweight and compact design you can enjoy true independence and travel off-grid for longer.
  • Powerful charging
  • Three-way charge
    12 V, solar or AC
  • Lightweight and compact
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art.nr : 9600012878 Visit support page + FAQ

Built for the outdoors

Not only does the Dometic PLB40 offer several market-leading performance features, it also features a rugged design and has been engineered to be extremely user-friendly. The ergonomically designed handles and lightweight construction of the Dometic PLB40 produce a battery system that is easy to carry. The Dometic PLB40 comes with a built-in LCD display which communicates the battery capacity, charging status, output level and technical messages, if applicable.
Built for the outdoors
High capacity
High capacity

Lithium iron phosphate (LiFePo4) battery provides 40 Ah or 500 Wh of power in a small package


IP44 rating protects against water and dust


50% lighter than comparable lead-acid batteries

Designed for CFX
Designed for CFX

Over 40 hours of cooling time for a CFX 40W

Multiple power outputs
Multiple power outputs

Power 12 V accessories, Dometic powered coolers, or small electronics

Versatile charging
Versatile charging

Charge with a vehicle’s 12 V DC cigarette socket, solar panel or included wall charger

Dometic PLB40
...and more
    • Enables you to travel off-grid for longer
    • Three-way charging via 12 V socket, solar panel or AC mains power
    • Extremely lightweight, ergonomically designed stainless steel carry-handle
    • Built-in LCD screen displays: capacity, charging status and output
    • Specifically designed for Dometic CFX and other portable coolboxes
    • Powerful battery cells provide 512 Wh of energy, 40 Ah
    • Can power a Dometic CFX 40W portable coolbox for up to 40 hours on a single charge

Welcome to freedom!

Some of the best places to visit are many times in isolated destinations, as they offer you spectacular views that are often unspoilt. Despite offering beautiful views, places as such also come with the lack of power source. However, don’t let this stop you from going on your next adventure. When you’re far from a power source, our portable battery will keep your gear running. This is built for the outdoors.

Maintain power after it’s gone

This market-leading battery system is the utilizing cutting-edge technology which is a result of years of research and development. The Dometic PLB40 has powerful, integrated Lithium Iron Phosphate (LiFePO4) battery cells, providing an energy supply of 512 Wh. Ideal for powering powered coolers and other 12 V appliances while on adventures, the PLB40 provides up to 40 hours of cooling time for a Dometic CFX 40W on a single charge. The integrated DC-DC charger offers three convenient ways to charge via: the vehicle 12 V socket, solar panel or AC power. The battery’s integrated battery management system protects the PLB40 from under-voltage, over-voltage, short circuiting and overheating for optimum charge time, performance and storage. With this power management system, the Dometic PLB40 has a cycle of life which is up to five times longer than more commonly used lead-acid batteries.

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SKU number 9600012878 
Model PLB40 
Model on label PLB40 
Scope of delivery 40Ah Lithium iron Phosphate battery pack, 10Amp ACDC charger, DC cable extension with Cig plug & Anderson connector, Colour gift box packaging 
Product Description Portable lithium battery, 40 Ah 
Dimensions product depth 197 mm
Dimensions product height 254.50 mm
Dimensions product width 197 mm
Net weight 7.30 kg
Input voltage (DC) 12 V
Output voltage 12 V
Output current 15.00 A
Battery type Lithium Iron Phosphate (LiFePO4
Rated battery capacity 40.00 Ah
IP class IP44 
Operating temperature min 0.00 °C
Operating temperature max 50.00 °C
EAN-13 4015704271065 
Operating manual
Operating manual