Fulbat
Fulbat 12N18-4A · Lawn mower battery 12V 18.9Ah 170A
Reference: BOL-FULBAT-12N18-4A
Fulbat 12N18-4A: lawn mower battery with 12 V, 18.9 Ah and 170 A cold cranking current, measuring 205 × 90 × 162 mm, with the positive terminal on the left.
Fulbat 12N18-4A · Lawn mower battery 12V 18.9Ah 170A images
- Voltage
- 12V
- Capacity
- 18.9Ah
- Cold cranking amps (EN)
- 170A
- Technology
- Lead-acid
- Dimensions (L × W × H)
- 205 × 90 × 162 mm
- Polarity
- Positive terminal on the left
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14 days to return your order
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The Fulbat 12N18-4A at a glance
The Fulbat 12N18-4A 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 12N18-4A belongs to the Fulbat FULBAT Lawn & Garden DRY range. More Fulbat batteries
Equivalents and alternatives to the Fulbat 12N18-4A
We have no other battery with exactly the dimensions and polarity of the 12N18-4A. Browse the rest of our lawn mower and garden machinery batteries to compare close options.
Fulbat 12N18-4A vs 12N24-4A and U1-9: which one to choose?
The real differences between the 12N18-4A and the closest Fulbat models:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulbat 12N18-4A (this one) | 18.9 Ah | 170 A | 205 × 90 × 162 | left | 5.95 kg |
| Fulbat 12N24-4A | 25.3 Ah | 220 A | 184 × 124 × 175 | left | 7.29 kg |
| Fulbat U1-9 | 25.3 Ah | 240 A | 195 × 130 × 180 | left | 7.88 kg |
- Fulbat 12N24-4A: 6.40 Ah more, 50 A more cranking power, a different case (184 × 124 × 175 mm).
- Fulbat U1-9: 6.40 Ah more, 70 A more cranking power, a different case (195 × 130 × 180 mm).
Lead-acid technology in the 12N18-4A
The 12N18-4A is a conventional lead-acid battery, with plates immersed in liquid electrolyte. Avoid leaving them discharged, as they sulphate, and charge them with a charger that cuts off or switches to maintenance when finished.
What to look at before buying the 12N18-4A
- Length, width and height of the 12N18-4A: 205 × 90 × 162 mm.
- The 12N18-4A has the positive terminal on the left: compare it with your current battery.
- Your current battery should say about 18.9 Ah; a little more is also fine.
- Cold cranking: 170 A (EN), equal to or higher than the original.
Part numbers and codes for the Fulbat 12N18-4A
The 12N18-4A is listed under these codes on labels, in garages and in catalogues:
| Commercial reference | 12N18-4A |
|---|---|
| Not to be confused with | Fulbat 12N14-4A (14.7 Ah, 125 A) |
Frequently asked questions about the Fulbat 12N18-4A
12N18-4A or 12N24-4A: which one suits me?
Compared with the 12N18-4A, the Fulbat 12N24-4A has 6.40 Ah more and 50 A more cranking power. If your current battery says 220 A or more, choose the 12N24-4A; if it says 170 A or less, the 12N18-4A is enough. Mind the space: the 12N24-4A measures 184 × 124 × 175 mm.
How much does the Fulbat 12N18-4A weigh?
5.95 kg, with 18.9 Ah of capacity. For reference, the Fulbat 12N24-4A (25.3 Ah) weighs 7.29 kg.
Which side is the positive terminal on the Fulbat 12N18-4A?
On the 12N18-4A, the positive terminal is on the left with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.
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.
Other options if you are unsure about the 12N18-4A
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