Fulbat

Fulbat FL-HU03 · Lawn mower battery 18V 4Ah

Reference: BOL-FULBAT-FL-HU03

The Fulbat FL-HU03 is a lawn mower battery with 18 V and 4 Ah, measuring 146.2 × 67.6 × 38.8 mm.

Voltage
18V
Capacity
4Ah
Technology
Lithium
Dimensions (L × W × H)
146.2 × 67.6 × 38.8 mm
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Where the Fulbat FL-HU03 fits

The Fulbat FL-HU03 is a starter battery for ride-on mowers and garden machinery: small, 12 V and with enough cranking power for single-cylinder engines. Check polarity and terminal type: garden machinery uses several formats.

The FL-HU03 belongs to the Fulbat FULBAT Robot Mower range. More Fulbat batteries

What it means that the FL-HU03 is lithium

The FL-HU03 is a lithium iron phosphate (LiFePO4) battery with a battery management system (BMS). It needs a charger or regulator with a lithium profile.

Fulbat FL-HU03 vs FL-HU04: differences

Torn between the FL-HU03 and another similar Fulbat? This is what changes:

ModelCapacityDimensions (mm)Weight
Fulbat FL-HU03 (this one)4 Ah146.2 × 67.6 × 38.80.49 kg
Fulbat FL-HU045.2 Ah146.2 × 67.6 × 38.80.49 kg
  • Fulbat FL-HU04: 1.20 Ah more, the same dimensions.

Equivalents and alternatives to the Fulbat FL-HU03

Lithium alternatives to the FL-HU03 with its size and polarity.

ModelTechnologyCapacityDimensions (mm)
Fulbat FL-HU04Lithium5.2 Ah146.2 × 67.6 × 38.8

Part numbers and codes for the Fulbat FL-HU03

The FL-HU03 is listed under these codes on labels, in garages and in catalogues:

Commercial referenceFL-HU03
Not to be confused withFulbat FL-HU01 (2 Ah), Fulbat FL-HU02 (2.5 Ah), Fulbat FL-HU04 (5.2 Ah)

Before ordering the FL-HU03, check this

  • Your current battery should say about 4 Ah; a little more is also fine.
  • The FL-HU03 needs 146.2 × 67.6 × 38.8 mm of space: measure it with the hold-down clamp in place.

Frequently asked questions about the Fulbat FL-HU03

FL-HU03 or FL-HU04: which one suits me?

Compared with the FL-HU03, the Fulbat FL-HU04 has 1.20 Ah more. With 5.2 Ah, the FL-HU04 runs longer between charges than the FL-HU03 (4 Ah). Both measure 146.2 × 67.6 × 38.8 mm, so they fit the same tray.

How much does the Fulbat FL-HU03 weigh?

0.49 kg, with 4 Ah of capacity. For reference, the Fulbat FL-HU04 (5.2 Ah) weighs 0.49 kg.

Which battery is equivalent to the Fulbat FL-HU03?

For the FL-HU03, other lithium batteries with its size and polarity: Fulbat FL-HU04.

Can I use a motorcycle battery in the mower?

If voltage, dimensions, polarity and terminal type match, yes. Many garden batteries are the same format as motorcycle ones.

More batteries to compare with the FL-HU03

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