# Lawnmower battery Fulbat FL-WX02 20V 5Ah Li-Ion ![Lawnmower battery Fulbat FL-WX02 20V 5Ah Li-Ion](https://baterias.com/6287-home_default/battery-fulbat-fl-wx02-20v-5ah.jpg) > Fulbat FL-WX02 lawnmower battery 20V 5Ah Li-Ion. Robot Mower range. Dimensions 109×75×64 mm. 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-fl-wx02-20v-5ah - **Language**: en-GB - **Brand**: FULBAT - **Reference**: BCOM-FULBAT-FL-WX02 - **MPN**: FL-WX02 - **Stock**: Out of stock ## Technical specifications | Feature | Value | |---|---| | Brand | FULBAT | | Model | FULBAT Robot Mower | | Voltage (V) | 20 V | | Largo | 109.5 mm | | Ancho | 75 mm | | Alto | 64 mm | | Tecnología | Li-Ion | | Capacity (C20) | 5 Ah | | Energy (Wh) | 100 Wh | ## Quick description **Fulbat FL-WX02 20V 5Ah** is a compact garden battery: strong cranking reserve and good tolerance to long idle periods between seasons. ## 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 20 V ⚡ Capacity 5 Ah C20 📏 Dimensions 109×75×64 mm ⚙️ Technology LI-ION 🏷️ Model FULBAT Robot Mower #️⃣ Mfr. reference FL-WX02 ## Description ## Lawn mower battery Fulbat FL-WX02 5Ah 20V 20*V* Voltage 5*Ah* Capacity The **Fulbat FL-WX02** battery is rated at **20 V**, **5 Ah** and is designed for ride-on mowers, tillers and garden machinery. It measures 109 × 75 × 64 mm, the format sought by anyone replacing a 5 Ah battery in ride-on mowers. - Good tolerance to self-discharge. - Compact format for small trays. - Direct replacement for the original battery. - Resistant to garden-engine vibration. ### What the Fulbat FL-WX02 is for With 5 Ah, the Fulbat FL-WX02 starts ride-on mowers, tillers and garden machinery and copes with garden-engine vibration. ### Dimensions, polarity and mounting It has external dimensions of 109 × 75 × 64 mm. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery. ### Technology inside the Fulbat FL-WX02 Fulbat builds the FL-WX02 to the same standards as the rest of its catalogue; what changes between references is capacity, format and terminal position. ### Fulbat: the maker behind the FL-WX02 French brand Fulbat is a European reference in motorcycle, garden and leisure batteries: compact ranges, clear JIS codes and a consistent quality that workshops know well. At baterias.com we work directly with the manufacturer or its official distributor: real stock, brand-new product and official warranty. ### Manufacturer's warranty The Fulbat FL-WX02 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. ### Usage and maintenance tips Disconnect or remove the battery over winter and give it a maintenance charge before storing it. Check the voltage before the first start of the season and clean the terminals. ### Delivery times and returns Orders placed **before [[ks:cutoff]]** with the battery in stock ship the same day. Delivery in mainland Spain and Portugal takes 24-48 working hours; for the Balearic Islands and the rest of the European Union allow 3 to 5 working days. You have **[[ks:return_days]] days** to return an unused battery; in mainland Spain and Portugal collection is free. We email you the tracking number as soon as the parcel ships. ## Frequently asked questions ### How do I fit the FL-WX02 model in my truck? 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 our blog. 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 many years does this battery last? Expected lifespan of the Fulbat FL-WX02 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 FL-WX02 battery? Dimensions (length × width × height) are 110×75×64 mm — also written as 110x75x64 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. ### Is the FL-WX02 valid for my vehicle? 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 FL-WX02 typically fits a wide range of European vehicles thanks to its standard DIN case format. ### Which interchangeable batteries are there for this one? 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 — automotive battery specialists since 2012. → https://baterias.com/gb/technical-team --- *baterias.com — Automotive batteries · 2026-10-22*