Dual Voltage Versatility
Switch between 12V and 24V modes for different vehicle types.
Jump starters
/ Carlbros
Carlbros Jump Starters
Built for the most demanding commercial tasks, these heavy-duty units offer dual-voltage support for massive industrial and truck engines
Top pick
In short
Rapid Recharge System
The 40S fast recharge technology minimizes downtime between uses.
Extreme Power Output
An 18000A peak current handles engines up to 32L.
About this lineup
Commercial Heavy Duty Standards
Carlbros specializes in LiFePO4 commercial battery technology, delivering a staggering 18000A. These units are designed for 12/24 volt systems and can start massive engines up to 32L.
- 18000A peak current
- 12V/24V dual voltage
- 32L engine capacity
- LiFePO4 battery technology
- 40S fast recharge
- 39 in jumper cables
Why these models
This range
Look through Jump starters for trucks, Lithium jump starters, Heavy duty jump starters, 12V and 24V jump starters to see how the Carlbros models split.
Construction
Carlbros keeps the build language in the product names: Heavy duty commercial LiFePO4 battery jumper.
Made to use
Pick a Carlbros model from Jump starters for trucks, Lithium jump starters, Heavy duty jump starters, 12V and 24V jump starters when that is the job you have.
Where models split
Use Jump starters for trucks, Lithium jump starters, Heavy duty jump starters, 12V and 24V jump starters to tell one Carlbros model from the next.
Catalog
1 jump starter in our catalog
Groups 12V and 24V Heavy duty
From the notes
Notes on this listing
Based on 8 reviews we read
What works
- Reliable heavy truck starting 5
- Sturdy build quality 2
- Fast shipping 1
- Good packaging 1
- Holds charge well 1
- Responsive customer service 1
- Safe to use 1
- Works out of box 1
Friction
- Short jumper cables 2
- Failed to start truck 1
First-hand
Buyer notes
The 18000A output is incredible; it started our 32L commercial engine without any struggle.
Having both 12V and 24V in one unit is a game changer for our truck fleet.
The 40S fast recharge is real; it's back to full strength almost as soon as I plug it in.
Common questions
Carlbros Questions
Does this support 24V systems?
Yes, the Carlbros CB40 is a dual-voltage unit supporting both 12V and 24V.
What is the maximum engine size it can start?
It is rated for gas and diesel engines up to 32L.
What kind of battery technology does it use?
These heavy-duty models utilize LiFePO4 commercial battery technology.
How long are the jumper cables?
The unit comes with 39 in jumper cables for easier access to large engines.