Quick answer: Short version: Fulmen FJ1723, made for trucks and farm machinery, with a rating of 172Ah 12V 1390A. Measure twice, order once: dimensions decide most swaps.
Buying the Fulmen FJ1723 online
Big engines and long days: that is the world of the Fulmen FJ1723, rated 172Ah 12V 1390A. A 24-volt system normally pairs two identical 12-volt batteries. Every heavy-duty battery at baterias.online shows its cradle size and post type.
A capacity of 172Ah matches what many vehicles and machines in this group expect. Cold starts are well covered: 1390A is above the norm for its class.
12VVolts
172AhCapacity (C20)
1390ACold cranking amps
Five checks for a perfect fit
- ✓ Starting current 1390A: look for the EN value on your old label and choose this reference only if it is equal or higher.
- ✓ This reference uses lead-acid. If your current battery has a different technology printed on it, find out why before switching.
- ✓ Make room for 513 × 223 × 223 mm, including clearance above the posts.
Full specifications of the Fulmen FJ1723
Questions and answers
Does a battery lose charge on the shelf?
Yes, gradually. Lead batteries lose a little charge each month, lithium much less. A quick charge before use is a good idea.
Will the Fulmen FJ1723 fit my battery space?
At 513 × 223 × 223 mm, measure the tray or compartment carefully. Plan the lift too: 48.8 kg is heavier than it looks.
How do capacity and cranking amps compare with my old battery?
Rated 1390A for cold starts and 172Ah in capacity, it will suit engines whose manufacturer specifies equal or lower values. Big diesels in cold climates benefit from extra margin.
What lead-acid means for you
Some lead-acid batteries have removable caps, others are sealed for life. Flooded batteries handle hot engine bays well. Hand old batteries in at an authorised recycling point.
Other options with identical dimensions
If you prefer another make, these fit the same space with the same terminal side.
Deta DJ1723Exide EF1723Exide EJ1723Tudor TF1723Tudor TJ1723
Explore more
Everything on baterias.online is filed by brand and reference, so ordering the Fulmen FJ1723 is straightforward. Keep the radio code handy before disconnecting the old battery.
Fitting and everyday care
A digger shaking along a rutted haul road gives its battery a hard life. Coat terminals with grease to resist mud and road salt. Choosing on looks rather than terminal type can leave the heavy cables unable to connect.
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