Batteries for Gilera Runner Runner 125 ST 15 hp
Which battery does a Gilera Runner Runner 125 ST need?
Specifications and battery: Runner 125 ST (15 hp)
Gilera Runner Runner 125 ST (15 hp): depending on the equipment, it takes a 12 Ah, 200 A AGM battery (152 × 88 × 147 mm) or a 10 Ah, 150 A AGM battery (152 × 88 × 131 mm). Measure your current battery before choosing. In every case the positive terminal is on the left. It also has an auxiliary battery: a 11 Ah, 170 A AGM battery (150 × 90 × 130 mm).
Battery for this engine
| Version | Technology | Capacity | Cold cranking (EN) | Size (L×W×H) | Polarity |
|---|---|---|---|---|---|
| Depending on equipment 1 | AGM | 12 Ah | 200 A | 152 × 88 × 147 mm | + on the left |
| Depending on equipment 2 | AGM | 10 Ah | 150 A | 152 × 88 × 131 mm | + on the left |
| Auxiliary | AGM | 11 Ah | 170 A | 150 × 90 × 130 mm | + on the left |
The same batteries also fit the Runner 125 ST (15 hp) engine of this model.
Data: vehicle specifications and the battery manufacturer's application catalogue.
Battery analysis for your Gilera Runner Runner 125 ST
Quick answer Depending on the equipment, your car uses one of these two main batteries: AGM 12 Ah (152×88×147 mm), for which we recommend VARTA 512014020, or AGM 10 Ah (152×88×131 mm): VARTA 510012015. Before buying, check the Ah on your current battery's label or measure its length. For the auxiliary battery we recommend EXIDE EK111 of 11 Ah.
Batteries in your Gilera Runner Runner 125 ST
Measure the height of yours: 147 or 131 mm
Prices and availability updated on 20/10/2026
Based on the batteries we found for your vehicle, our experts help you pick the right one.
📋 What we found
For your Gilera Runner Runner 125 ST we found 11 compatible batteries. This list includes 9 Start-Stop batteries and 2 auxiliary batteries.
📏 Battery size
The list contains batteries in different sizes or capacities (Ah). In many cases both variants fit, but it's worth checking your compartment dimensions and the Ah of your original battery before buying. Choose the one with the same dimensions as your current battery: a bigger one may not fit the compartment or the hold-down. If several match your size, the higher capacity gives more headroom for cold starts.
⚡ Starter or auxiliary battery
We detected an auxiliary battery among the compatible ones. The auxiliary is NOT your main car battery: it is a smaller secondary battery that powers sensitive electronics. Don't mix them up when buying. Usually what fails is the starter battery (the main one), but the auxiliary can also fail. If your vehicle shows intermittent electronic errors but starts fine, it may be the auxiliary; if cranking is weak, it is usually the starter battery.
✓ Your Gilera Runner Runner 125 ST uses the Start-Stop system. Every battery shown is compatible — no conventional options to confuse you.
🔋 Technology (AGM / EFB)
✓ All Start-Stop batteries in the list are AGM — the most advanced technology. Perfect if your current battery was AGM or EFB: AGM always replaces both. Remember to register it via OBD if your car has a BMS (BMW, Audi, VAG, Mercedes…) so the alternator charges it correctly.
📊 View AGM vs EFB vs Conventional — full comparison
⭐ Our recommendation
For your Gilera Runner Runner 125 ST we recommend the VARTA 512014020 (AGM, 12 Ah). It also offers the highest capacity (Ah) and the highest cranking power (CCA) on the list — more headroom in cold starts and with many consumers. Varta is the world's leading manufacturer of starter batteries and supplies first-equipment (OEM) batteries to the major European car makers.
- Rated 4.1/5 by 7 verified customers.
- Next-day delivery if you order before 6 PM.
- 47% cheaper than the most expensive option in the list.
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Verified selection
- Class: Motorcycle Batteries
- Brand: Gilera
- Model: Runner
- Engine: Runner 125 ST
Start-Stop & high energy demand batteries
AGM or EFB battery for start-stop vehicles and for cars with high energy demand (many electrical consumers, frequent starts). More charge cycles, better charge recovery and longer service life.
This engine comes with an AGM/EFB battery as standard: the car's charging system requires it even without Start-Stop. If in doubt, message us and we will confirm.
Why we recommend the VARTA 512014020
For €7.15 more you get +50 A cold cranking and +2 Ah capacity.
| RecommendedVARTA 512014020 | CheapestEXIDE ETX12-BS | |
|---|---|---|
| Cold cranking | 200 A | 150 A |
| Capacity | 12 Ah | 10 Ah |
| Technology | AGM | AGM |
| Why | Varta brand | — |
| Price | €36.95 | €29.80 |
-
Motorcycle battery Varta YTX14-BS (512014010) 12V 12Ah 200A AGM
- 12 V
- 12 Ah
- 200 A
- AGM VARTA 512014020 · 12 Ah · 200 A
Dimensions 152×88×147 mm
- ✓ Varta brand
€36.95
-
Motorcycle battery Varta YTX12-BS (510012009) 12V 10Ah 150A AGM
- 12 V
- 10 Ah
- 150 A
- AGM VARTA 510012015 · 10 Ah · 150 A
Dimensions 152×88×131 mm
€29.95
-
Motorcycle battery Exide ETX14-BS 12V 12Ah 200A AGM
- 12 V
- 12 Ah
- 200 A
- AGM EXIDE ETX14-BS · 12 Ah · 200 A
Dimensions 150×90×145 mm
€33.60
-
Motorcycle battery Varta YTX12-4 (510909017) 12V 10Ah 170A AGM
- 12 V
- 10 Ah
- 170 A
- AGM VARTA 510909017 · 10 Ah · 170 A
Dimensions 150×87×130 mm
€75.60
-
Motorcycle battery Exide ETX12-BS 12V 10Ah 150A AGM
- 12 V
- 10 Ah
- 150 A
- AGM EXIDE ETX12-BS · 10 Ah · 150 A
Dimensions 150×90×130 mm
€29.80
-
Motorcycle battery Exide AGM12-10 12V 10Ah 150A AGM
- 12 V
- 10 Ah
- 150 A
- AGM EXIDE AGM12-10 · 10 Ah · 150 A
Dimensions 150×90×130 mm
€55.20
-
Motorcycle battery Exide AGM12-12 12V 12Ah 200A AGM
- 12 V
- 12 Ah
- 200 A
- AGM EXIDE AGM12-12 · 12 Ah · 200 A
Dimensions 150×90×145 mm
€62.20
-
Motorcycle battery Varta YTX14-4 (512909020) 12V 12Ah 200A AGM
- 12 V
- 12 Ah
- 200 A
- AGM VARTA 512909020 · 12 Ah · 200 A
Dimensions 150×87×146 mm
€69.60
-
Motorcycle battery Exide AGM12-12M 12V 12Ah 200A AGM
- 12 V
- 12 Ah
- 200 A
- AGM EXIDE AGM12-12M · 12 Ah · 200 A
Dimensions 150×90×145 mm
€62.20
| Category | Make | Reference | Capacity | Cold cranking | Dimensions | Technology | Price | |
|---|---|---|---|---|---|---|---|---|
| Start-Stop & high energy demand batteries | VARTA | 512014020 | 12 Ah | 200 A | 152×88×147 mm | AGM | €36.95 | More info |
| Start-Stop & high energy demand batteries | VARTA | 510012015 | 10 Ah | 150 A | 152×88×131 mm | AGM | €29.95 | More info |
| Start-Stop & high energy demand batteries | EXIDE | ETX14-BS | 12 Ah | 200 A | 150×90×145 mm | AGM | €33.60 | More info |
| Start-Stop & high energy demand batteries | VARTA | 510909017 | 10 Ah | 170 A | 150×87×130 mm | AGM | €75.60 | More info |
| Start-Stop & high energy demand batteries | EXIDE | ETX12-BS | 10 Ah | 150 A | 150×90×130 mm | AGM | €29.80 | More info |
| Start-Stop & high energy demand batteries | EXIDE | AGM12-10 | 10 Ah | 150 A | 150×90×130 mm | AGM | €55.20 | More info |
| Start-Stop & high energy demand batteries | EXIDE | AGM12-12 | 12 Ah | 200 A | 150×90×145 mm | AGM | €62.20 | More info |
| Start-Stop & high energy demand batteries | VARTA | 512909020 | 12 Ah | 200 A | 150×87×146 mm | AGM | €69.60 | More info |
| Start-Stop & high energy demand batteries | EXIDE | AGM12-12M | 12 Ah | 200 A | 150×90×145 mm | AGM | €62.20 | More info |
Auxiliary Battery
Auxiliary battery for vehicles equipped with start-stop systems. It supports the main battery in functions such as engine start, the start-stop system, or additional electrical support.
Frequently asked questions
- Gilera Runner Runner 125 ST (15 hp): depending on the equipment, it takes a 12 Ah, 200 A AGM battery (152 × 88 × 147 mm) or a 10 Ah, 150 A AGM battery (152 × 88 × 131 mm). Measure your current battery before choosing. In every case the positive terminal is on the left. It also has an auxiliary battery: a 11 Ah, 170 A AGM battery (150 × 90 × 130 mm). We found 11 compatible batteries priced between 29,80€ — 169,70€. Check dimensions and positive terminal position before purchasing.
- Yes, you can install a higher capacity (Ah) battery as long as the physical dimensions fit your Gilera Runner Runner 125 ST battery compartment and the positive terminal position matches.
- Yes, we detected Start-Stop compatible batteries for your Gilera Runner Runner 125 ST. If your vehicle has Start-Stop, it needs an AGM or EFB battery. An AGM must always be replaced with AGM. An EFB can be replaced with EFB or AGM. Never install a conventional battery in a Start-Stop vehicle.
- Motorcycles can use GEL, AGM, or conventional batteries. GEL batteries are ideal for occasional use. AGM batteries are the best option for heavy use or high-power motorcycles. Always check the polarity before installation.
- Polarity indicates which side has the positive (+) terminal. This is critical for motorcycles because some models have the positive terminal on the left and others on the right. Check the label on your current battery or the manufacturer's manual.
- Yes. First disconnect the negative (−) wire and then the positive (+) wire. When installing the new one, connect the positive (+) wire first and then the negative (−) wire. Always respect the correct polarity.
- Use the search tool by selecting your vehicle's make and model. Our system automatically filters compatible part numbers verified by our technicians. If you have any questions, contact us via WhatsApp.
- All our batteries come with the legal guarantee provided by consumer law against manufacturing defects. If a battery has a manufacturing defect, it will be replaced at no cost to the user.
- Under normal circumstances, batteries usually arrive within 1 to 2 days of ordering. However, there are some cases where delivery may take a little longer: peak seasons (Black Friday, Christmas, etc.), palletized shipments, occasional stock shortages, etc.