Is EFB mandatory if my motorhome has Start-Stop?

It's what VARTA recommends: a conventional SLI degrades much sooner under repeated start-stop cycles, while EFB is built to withstand them.

What's the difference between Dual Purpose EFB and Dual Purpose AGM?

EFB is the middle option: more cycle-resistant than conventional SLI but more affordable than AGM, which offers even more cycles and mounts at any angle.

Can it power onboard equipment with the engine off?

Yes, like the whole Dual Purpose range, it combines cranking and onboard load duty in one battery.

How does it last compared with a conventional SLI?

Under the same usage pattern, EFB withstands considerably more start-stop and partial-discharge cycles before losing capacity, meaning more years of service in Start-Stop motorhomes.

VARTA Professional Dual Purpose EFB batteries

VARTA Professional Dual Purpose EFB batteries: VARTA's EFB dual purpose version for modern motorhomes with Start-Stop or heavier cyclic house loads. 80-160 Ah, CCA from 720 to 900 A.

The reinforced grid of EFB technology withstands far more start-stop and discharge cycles than a conventional SLI, making it the recommended option if your motorhome has factory-fit Start-Stop or you run heavier onboard loads than a classic caravan.

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VARTA

Marine battery Varta LED80 12V 80Ah EFB

12V

80Ah

800A

EFB

314 × 175 × 190 mm

4,76(24)

€135.05 VAT incl.

TO BUY

VARTA

Marine battery Varta LED70 12V 70Ah EFB

12V

70Ah

760A

EFB

277 × 175 × 190 mm

4,82(24)

€116.20 VAT incl.

TO BUY

VARTA

Marine battery Varta LED240 12V 240Ah EFB

12V

240Ah

1200A

EFB

518 × 276 × 242 mm

4,80(38)

€295.37 VAT incl.

TO BUY

VARTA

Marine battery Varta LED60 12V 60Ah EFB

12V

60Ah

640A

EFB

242 × 175 × 190 mm

4,75(25)

€97.10 VAT incl.

TO BUY

VARTA

Marine battery Varta LED190 12V 190Ah EFB

12V

190Ah

1050A

EFB

513 × 223 × 223 mm

4,77(28)

€220.52 VAT incl.

TO BUY

VARTA Professional Dual Purpose EFB: reinforced dual purpose

The Dual Purpose EFB combines starting and house duty just like the Dual Purpose SLI, but with a reinforced glass-fibre mesh on the positive plate that handles far more cold-start and repeated partial-discharge cycles. It's the technology VARTA reserves for motorhomes with Start-Stop and leisure vehicles with heavier onboard power demands (heating, compressor fridges, home automation).

VARTA Professional Dual Purpose EFB models

LFD90 EFB (90 Ah): mid motorhome with Start-Stop.
LFD140 EFB (140 Ah): large motorhome.
LFD160 EFB (160 Ah): premium motorhome or RV with more electrical equipment.

How to choose your VARTA Professional Dual Purpose EFB

First check whether your motorhome manufacturer requires EFB because of the Start-Stop system, then match the capacity (Ah) to your onboard power use. Use our battery comparison tool to compare LFD90 EFB, LFD140 EFB and LFD160 EFB before deciding.

Frequently asked questions about VARTA Professional Dual Purpose EFB

Is EFB mandatory if my motorhome has Start-Stop?: It's what VARTA recommends: a conventional SLI degrades much sooner under repeated start-stop cycles, while EFB is built to withstand them.
What's the difference between Dual Purpose EFB and Dual Purpose AGM?: EFB is the middle option: more cycle-resistant than conventional SLI but more affordable than AGM, which offers even more cycles and mounts at any angle.
Can it power onboard equipment with the engine off?: Yes, like the whole Dual Purpose range, it combines cranking and onboard load duty in one battery.
How does it last compared with a conventional SLI?: Under the same usage pattern, EFB withstands considerably more start-stop and partial-discharge cycles before losing capacity, meaning more years of service in Start-Stop motorhomes.

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