# Lawnmower battery Fulbat SLA12-18 12V 18.9Ah 150A AGM

![Lawnmower battery Fulbat SLA12-18 12V 18.9Ah 150A AGM](https://baterias.com/6113-home_default/battery-fulbat-sla12-18-12v-18-9ah-150a.jpg)

> Fulbat SLA12-18 lawnmower battery 12V 18.9Ah 150A AGM. Lawn & Garden SLA range. Dimensions 182×77×168 mm, + terminal on the right. For garden machinery.

**Category:** [Lawnmower Batteries](https://baterias.com/gb/lawnmower-batteries) → [FULBAT](https://baterias.com/gb/fulbat)

- **Canonical URL**: https://baterias.com/gb/battery-fulbat-sla12-18-12v-18-9ah-150a
- **Language**: en-GB
- **Brand**: FULBAT
- **Reference**: BCOM-FULBAT-SLA12-18
- **MPN**: SLA12-18
- **Stock**: Out of stock

## Technical specifications

| Feature | Value |
|---|---|
| Brand | FULBAT |
| Model | FULBAT Lawn & Garden SLA |
| Voltage (V) | 12 V |
| Largo | 182 mm |
| Ancho | 77 mm |
| Alto | 168 mm |
| Tecnología | AGM |
| Terminal layout | Positive right |
| Cold cranking amps (EN) | 150 A |
| Capacity (C20) | 18.9 Ah |
| Capacity (C10) | 18 Ah (c10) |

## Quick description

**Fulbat SLA12-18 12V 18Ah 150A** is a starter battery for lawnmowers and garden machinery, sized to crank reliably after months of storage.

## Why this lawnmower battery?

- **Same JIS reference** as your bike's original — fits first time
- **Sealed and ready to use** no acid handling, no refills
- **Survives winter storage** holds charge through long off-season

🔌 Voltage
12 V

⚡ Capacity
18 Ah C20

🔋 Cold cranking
150 A EN-1

📏 Dimensions
182×77×168 mm

⚙️ Technology
AGM

🧭 Polarity
Positive on the right

🏷️ Model
FULBAT Lawn & Garden SLA

#️⃣ Mfr. reference
SLA12-18

## Description

## Lawn mower battery Fulbat SLA12-18 18.9Ah 150A 12V

12*V* Voltage
18.9*Ah* Capacity
150*A* Cold cranking

The **Fulbat SLA12-18** with AGM technology delivers **18.9 Ah** at **12 V** and **150 A** of cold cranking current (EN) for ride-on mowers, tillers and garden machinery. Its 182 × 77 × 168 mm and the positive terminal on the right make it the exact replacement for the 18.9 Ah battery fitted as standard to many ride-on mowers.
- Direct replacement for the original battery.
- Sealed and maintenance-free.
- Resistant to garden-engine vibration.
- AGM: faster recharging and better cycle resistance than a conventional battery.

### Size, terminals and hold-down of the Fulbat SLA12-18

The Fulbat SLA12-18 is made in the 182 × 77 × 168 mm format. The positive terminal on the right decides which side the cables end up on: it is the detail that causes most buying mistakes, so check it before ordering. Before replacing it, measure your current battery tray: if all three dimensions and the terminal positions match, the swap is direct and needs no adapters.

### What the Fulbat SLA12-18 is for

Designed for ride-on mowers, tillers and garden machinery, the Fulbat SLA12-18 is a compact, maintenance-free replacement.

### Technology inside the Fulbat SLA12-18

Fulbat builds the SLA12-18 to the same standards as the rest of its catalogue; what changes between references is capacity, format and terminal position.
In an AGM battery the electrolyte is absorbed in glass-fibre separators: there is no free liquid, it cannot spill and it can be mounted at an angle. That construction lowers internal resistance, speeds up recharging and multiplies cycle life compared with a conventional battery.

### Why choose Fulbat batteries

Fulbat has manufactured in France since 1978 and specialises in motorcycles and light vehicles. Its catalogue is short and clear, covers almost the whole fleet and works only with sealed, leak-free batteries. All the Fulbat batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.

### Manufacturer's warranty

The Fulbat SLA12-18 comes with the **manufacturer's official warranty** against manufacturing defects. If it fails through a defect within the warranty period, we replace it at no cost to you.

### How to make it last longer

Disconnect or remove the battery over winter and give it a maintenance charge before storing it. Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators.

### Shipping, delivery and returns

Order **before [[ks:cutoff]]** with stock available and it leaves today: mainland Spain and Portugal receive it in 24-48 working hours, the islands and the rest of the EU in 3 to 5 days. You have **[[ks:return_days]] days** to return it if it has not been installed, with free collection on the mainland, and shipment tracking by email.

## Frequently asked questions

### How is the Fulbat SLA12-18 battery installed in the vehicle?

In most trucks it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on this page. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On trucks with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.

### How long does the Fulbat SLA12-18 battery last?

Expected lifespan of the Fulbat SLA12-18 is 4 to 7 years in regular use (depends on technology and climate). In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured.

### What are the dimensions of the Fulbat SLA12-18 battery?

Dimensions (length × width × height) are 182×77×168 mm — also written as 182x77x168 mm — following the European DIN standard. Always measure the space in your truck before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.

### Does this battery fit my truck?

Three options to confirm: 1) enter your number plate in the finder (DGT/DVLA/KBA auto-detect your model and engine); 2) check the "Compatible vehicles" tab on this page, where we list every vehicle verified by our technical team; 3) if you cannot find your model, message us on WhatsApp with brand, model, engine and year — we reply during business hours (Mon–Fri 10:00–13:30 and 16:40–18:00 (Spanish time, CET)). The SLA12-18 typically fits a wide range of European vehicles thanks to its standard DIN case format.

### Which batteries are equivalent to the Fulbat SLA12-18?

Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop trucks. See the "Equivalents" section to view recommended options at the same performance level.


## Technical team (editorial authorship)

The FAQs, guides and comparisons on this site are reviewed by the baterias.com technical team — over 25 years of experience validating automotive batteries.

→ https://baterias.com/gb/technical-team

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*baterias.com — Automotive batteries · 2026-10-06*