# Fulbat SLA12-22 · Lawn mower battery 12V 23.1Ah 210A

![Fulbat SLA12-22 · Lawn mower battery 12V 23.1Ah 210A](https://bateriasonline.es/640-home_default/fulbat-sla12-22.jpg)

> Fulbat SLA12-22: 23.1 Ah lawn mower battery, 210 A (EN), 182×77×168 mm, positive terminal on the right, AGM. Price on request: ask for a free quote.

**Category:** [Lawn mower and garden machinery batteries](https://bateriasonline.es/en/lawn-mower-garden-batteries) → [Fulbat](https://bateriasonline.es/en/fulbat-batteries)

- **Canonical URL**: https://bateriasonline.es/en/fulbat-sla12-22
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-SLA12-22
- **MPN**: SLA12-22
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulbat |
| Range | FULBAT Lawn & Garden SLA |
| Application | Lawn mowers and garden machinery |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 23.1 Ah |
| Cold cranking amps (EN) | 210 A |
| Length | 182 mm |
| Width | 77 mm |
| Height | 168 mm |
| Weight | 6.3 kg |
| Polarity | Positive terminal on the right |

## Quick description

Fulbat SLA12-22: lawn mower battery with 12 V, 23.1 Ah and 210 A cold cranking current, measuring 182 × 77 × 168 mm, with the positive terminal on the right.

## Description

## The Fulbat SLA12-22 at a glance

The Fulbat SLA12-22 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 SLA12-22 belongs to the Fulbat FULBAT Lawn & Garden SLA range. [More Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## What it means that the SLA12-22 is AGM

The SLA12-22 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

## Fulbat SLA12-22 vs SLA12-20 and SLA12-18

What sets the SLA12-22 apart from its neighbours in the Fulbat range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulbat SLA12-22 (this one) | 23.1 Ah | 210 A | 182 × 77 × 168 | right | 6.3 kg |
| Fulbat SLA12-20 | 21.1 Ah | 180 A | 182 × 77 × 168 | right | 5.3 kg |
| Fulbat SLA12-18 | 18.9 Ah | 150 A | 182 × 77 × 168 | right | 4.95 kg |

- Fulbat SLA12-20: 2 Ah less, 30 A less cranking power, the same dimensions.
- Fulbat SLA12-18: 4.20 Ah less, 60 A less cranking power, the same dimensions.

## Equivalents and alternatives to the Fulbat SLA12-22

No other reference in the catalogue fully matches the dimensions and polarity of the SLA12-22; you will find the closest ones among our [lawn mower and garden machinery batteries](https://bateriasonline.es/en/lawn-mower-garden-batteries).

## Fulbat SLA12-22 codes and part numbers

The SLA12-22 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | SLA12-22 |
|---|---|
| Not to be confused with | Fulbat SLA12-20 (21.1 Ah, 180 A) |

## What to look at before buying the SLA12-22

- The SLA12-22 delivers 210 A cold cranking (EN standard); do not go below what your original battery states.
- With 23.1 Ah, the SLA12-22 replaces an original battery of that capacity or slightly less.
- The SLA12-22 has the positive terminal on the right: compare it with your current battery.
- Measure the space: the SLA12-22 takes up 182 × 77 × 168 mm.

## Frequently asked questions about the Fulbat SLA12-22

### Fulbat SLA12-22 or SLA12-20?

Compared with the SLA12-22, the Fulbat SLA12-20 has 2 Ah less and 30 A less cranking power. The SLA12-22 cranks harder; the SLA12-20 is only a good option if your original battery says 180 A or less. Both measure 182 × 77 × 168 mm, so they fit the same tray.

### How much does the Fulbat SLA12-22 weigh?

The SLA12-22 weighs 6.3 kg. For reference, the Fulbat SLA12-20 (21.1 Ah) weighs 5.3 kg.

### Which side is the positive terminal on the Fulbat SLA12-22?

The SLA12-22 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

### Which charger does the Fulbat SLA12-22 need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

## More batteries to compare with the SLA12-22

- [More lawn mower and garden machinery batteries](https://bateriasonline.es/en/lawn-mower-garden-batteries)
- [The whole Fulbat range](https://bateriasonline.es/en/fulbat-batteries)

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*bateriasonline.es — Batteries and accessories · 2026-11-10*