Fulbat FL-HU03 – lawn tractors, robot mowers and secondary vehicle supply – 4Ah 18V

In short: Quick facts on the Fulbat FL-HU03: intended for garden machinery and auxiliary use, rated 4Ah 18V. Terminal position is the detail people most often forget.

Technical figures at a glance

Using it day to day: practical tips

A mower left outside under a cover collects damp over winter. Check the battery strap at the start of each season. Fault codes after a car's secondary battery has been disconnected may need clearing at a workshop.

Fulbat FL-HU03 for garden machinery and auxiliary use

Ride-on mowers, lawn tractors and the secondary circuits of many recent cars use batteries like the Fulbat FL-HU03. Sealed designs avoid spills when a mower tilts on a slope. Once the code matches, ordering at baterias.online takes a couple of minutes.

Compact by the standards of garden machinery and auxiliary use, with 4Ah. 0.49 kg keeps the load down, useful on bikes, boats and motorhomes.

Answers before you buy

Check before ordering

• ✓ Rated 4Ah: check that the charger or alternator in your system can refill a battery of that capacity in reasonable time.
• ✓ Set your charger to lithium (LiFePO4) before the first charge.
• ✓ Dimensions to compare: 146.2 × 67.6 × 38.8 mm. Do not forget the base ledge, which the hold-down clamp grips on many vehicles.

Explore more

Happy with the fit? Ordering the Fulbat FL-HU03 at baterias.online is quick. If in doubt about the fit, compare once more with the figures above.

• More for garden machinery and auxiliary use
• More from Fulbat

Care tips for lithium (LiFePO4) batteries

Inside a lithium battery there is a small management board that protects the cells. Racing bikes and track cars save weight with lithium. Desulphation and equalisation modes for lead can trip a lithium battery's protection.