Fulbat

Fulbat 12N24-4A · Lawn mower battery 12V 25.3Ah 220A

Reference: BOL-FULBAT-12N24-4A

Fulbat 12N24-4A: lawn mower battery with 12 V, 25.3 Ah and 220 A cold cranking current, measuring 184 × 124 × 175 mm, with the positive terminal on the left. Need the positive terminal on the right? The same battery is the Fulbat 12N24-3A.

Voltage
12V
Capacity
25.3Ah
Cold cranking amps (EN)
220A
Technology
Lead-acid
Dimensions (L × W × H)
184 × 124 × 175 mm
Polarity
Positive terminal on the left
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The Fulbat 12N24-4A at a glance

The Fulbat 12N24-4A starts ride-on mowers and garden tractors. Check polarity and terminal type: garden machinery uses several formats.

The 12N24-4A belongs to the Fulbat FULBAT Lawn & Garden DRY range. The full range of Fulbat batteries

Equivalents and alternatives to the Fulbat 12N24-4A

No other reference in the catalogue fully matches the dimensions and polarity of the 12N24-4A; you will find the closest ones among our lawn mower and garden machinery batteries.

Fulbat 12N24-4A vs U1-9, 12N24-3A and U1-9 SLA: which one to choose?

What sets the 12N24-4A apart from its neighbours in the Fulbat range:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Fulbat 12N24-4A (this one)25.3 Ah220 A184 × 124 × 175left7.29 kg
Fulbat U1-925.3 Ah240 A195 × 130 × 180left7.88 kg
Fulbat 12N24-3A25.3 Ah220 A184 × 124 × 175right7.29 kg
Fulbat U1-9 SLA28 Ah300 A195 × 125 × 176left6.45 kg
  • Fulbat U1-9: the same capacity, 20 A more cranking power, a different case (195 × 130 × 180 mm).
  • If the positive terminal of your battery is on the other side, the one you need is the Fulbat 12N24-3A (positive terminal on the right).
  • Fulbat U1-9 SLA: 2.70 Ah more, 80 A more cranking power, a different case (195 × 125 × 176 mm), AGM technology.

Inside the 12N24-4A: lead-acid technology

Inside, the 12N24-4A is classic lead-acid: liquid electrolyte and lead plates. If the 12N24-4A is left discharged for weeks it sulphates: a maintenance charger prevents this.

Before ordering the 12N24-4A, check this

  • Length, width and height of the 12N24-4A: 184 × 124 × 175 mm.
  • The 12N24-4A has the positive terminal on the left: compare it with your current battery.
  • Your current battery should say about 25.3 Ah; a little more is also fine.
  • Check the EN amps on your battery: if it says 220 A or less, the 12N24-4A covers your engine.

Fulbat 12N24-4A codes and part numbers

This is how the Fulbat 12N24-4A appears on the label and in parts catalogues:

Commercial reference12N24-4A
Not to be confused withFulbat 12N24-3A (25.3 Ah, 220 A, positive terminal on the right), Fulbat 12N14-4A (14.7 Ah, 125 A)

Frequently asked questions about the Fulbat 12N24-4A

Fulbat 12N24-4A or U1-9?

Compared with the 12N24-4A, the Fulbat U1-9 has 20 A more cranking power. If your current battery says 240 A or more, choose the U1-9; if it says 220 A or less, the 12N24-4A is enough. Mind the space: the U1-9 measures 195 × 130 × 180 mm.

What is the difference between the Fulbat 12N24-4A and the 12N24-3A?

They are the same battery with the terminals swapped: positive terminal on the left on the 12N24-4A, positive terminal on the right on the 12N24-3A. Look at your current battery with the terminals facing you and pick the one that matches.

How much does the Fulbat 12N24-4A weigh?

The 12N24-4A weighs 7.29 kg. For reference, the Fulbat U1-9 (25.3 Ah) weighs 7.88 kg.

Why is the mower battery dead every spring?

Because it spends the winter discharging. Charge it before storing the machine and give it a maintenance charge every two months, or disconnect it.

More batteries to compare with the 12N24-4A

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