Batteries for Piaggio FLY Fly 50 4 hp (2004-2013)
Which battery does a Piaggio FLY Fly 50 need?
Specifications and battery: Fly 50 (4 hp)
Piaggio FLY Fly 50 (4 hp, 2004-2013): depending on the equipment, it takes a conventional 9 Ah, 85 A battery (136 × 76 × 139 mm) or a 3 Ah, 40 A AGM battery (114 × 71 × 86 mm). Measure your current battery before choosing.
- Brand
-
Piaggio
- Model
- FLY
- Built
- 09/2004 - 2013
- Fuel
- Mixture
- Cylinders
- 1
- Drive
- Vario
Battery for this engine
| Version | Technology | Capacity | Cold cranking (EN) | Size (L×W×H) | Polarity |
|---|---|---|---|---|---|
| Depending on equipment 1 | Conventional | 9 Ah | 85 A | 136 × 76 × 139 mm | + on the left |
| Depending on equipment 2 | AGM | 3 Ah | 40 A | 114 × 71 × 86 mm | + on the right |
Data: vehicle specifications and the battery manufacturer's application catalogue.
EFB, AGM or conventional for this engine?
Rule of thumb for the Piaggio FLY Fly 50: fit the same technology as the original or better (conventional → EFB → AGM), with equal or higher capacity and cold cranking amps, and respect the size and terminal position of around 9 Ah.
Battery analysis for your Piaggio FLY Fly 50
Quick answer Depending on the equipment, your motorbike uses one of these two main batteries: ordinary lead-acid 9 Ah (136×76×139 mm), for which we recommend VARTA 12N9-4B-1, or AGM 3 Ah (114×71×86 mm): VARTA AGM. Before buying, check the Ah on your current battery's label or measure its length.
Batteries in your Piaggio FLY Fly 50
Measure the height of yours: 139 or 86 mm
Prices and availability updated on 02/11/2026
Based on the batteries we found for your vehicle, our experts help you pick the right one.
📋 What we found
For your Piaggio FLY Fly 50 we found 13 compatible batteries. This list includes 6 AGM or EFB batteries and 7 conventional 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.
📊 View AGM vs EFB vs Conventional — full comparison
⭐ Our recommendation
For your Piaggio FLY Fly 50 we recommend the VARTA 12N9-4B-1 (ordinary lead-acid, 9 Ah). Varta is the world's leading manufacturer of starter batteries and supplies first-equipment (OEM) batteries to the major European car makers.
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Verified selection
- Class: Motorcycle Batteries
- Brand: Piaggio
- Model: FLY
- Engine: Fly 50
AGM / EFB batteries
AGM or EFB technology batteries: more charge cycles, faster recovery and a longer life than a conventional battery.
-
Motorcycle battery Varta YT4L-BS Powersports AGM (503014003) 12V 3Ah 40A AGM
- 12 V
- 3 Ah
- 40 A
- AGM VARTA 503014004 · 3 Ah · 40 A
Dimensions 114×71×86 mm
€21.20
-
Motorcycle battery Exide ETX4L-BS 12V 3Ah 50A AGM
- 12 V
- 3 Ah
- 50 A
- AGM EXIDE ETX4L-BS · 3 Ah · 50 A
Dimensions 115×70×85 mm
€12.20
-
Motorcycle battery Exide ETX9C-BS 12V 9Ah 120A AGM
- 12 V
- 9 Ah
- 120 A
- AGM EXIDE ETX9C-BS · 9 Ah · 120 A
Dimensions 135×75×140 mm
€33.80
-
Motorcycle battery Exide AGM12-9 12V 9Ah 120A AGM
- 12 V
- 9 Ah
- 120 A
- AGM EXIDE AGM12-9 · 9 Ah · 120 A
Dimensions 135×75×140 mm
€51.00
-
Motorcycle battery Exide AGM12-4 12V 3Ah 50A AGM
- 12 V
- 3 Ah
- 50 A
- AGM EXIDE AGM12-4 · 3 Ah · 50 A
Dimensions 115×70×85 mm
€27.20
-
Motorcycle battery Varta YTX4L-4 Powersports AGM (503909005) 12V 3Ah 50A AGM
- 12 V
- 3 Ah
- 50 A
- AGM VARTA 503909005 · 3 Ah · 50 A
Dimensions 113×70×87 mm
€33.60
| Category | Make | Reference | Capacity | Cold cranking | Dimensions | Technology | Price | |
|---|---|---|---|---|---|---|---|---|
| AGM / EFB batteries | VARTA | 503014004 | 3 Ah | 40 A | 114×71×86 mm | AGM | €21.20 | More info |
| AGM / EFB batteries | EXIDE | ETX4L-BS | 3 Ah | 50 A | 115×70×85 mm | AGM | €12.20 | More info |
| AGM / EFB batteries | EXIDE | ETX9C-BS | 9 Ah | 120 A | 135×75×140 mm | AGM | €33.80 | More info |
| AGM / EFB batteries | EXIDE | AGM12-9 | 9 Ah | 120 A | 135×75×140 mm | AGM | €51.00 | More info |
| AGM / EFB batteries | EXIDE | AGM12-4 | 3 Ah | 50 A | 115×70×85 mm | AGM | €27.20 | More info |
| AGM / EFB batteries | VARTA | 503909005 | 3 Ah | 50 A | 113×70×87 mm | AGM | €33.60 | More info |
Conventional batteries
Standard lead-acid batteries.
-
Motorcycle battery Varta 12N9-4B-1 Powersports (509014008) 12V 9Ah 85A
- 12 V
- 9 Ah
- 85 A
Dimensions 136×76×139 mm
- ✓ Varta brand
€110.60
-
Motorcycle battery Fulbat FB9-B GEL 12V 9.5Ah 115A GEL
- 12 V
- 9.50 Ah
- 115 A
- GEL FULBAT FB9-B GEL · 9.50 Ah · 115 A
Dimensions 135×75×139 mm
€58.04
-
Motorcycle battery Exide EB4L-B 12V 4Ah 50A
- 12 V
- 4 Ah
- 50 A
- Conventional EXIDE EB4L-B · 4 Ah · 50 A
Dimensions 120×70×95 mm
€32.80
-
Motorcycle battery Exide EB9-B 12V 9Ah 100A
- 12 V
- 9 Ah
- 100 A
- Conventional EXIDE EB9-B · 9 Ah · 100 A
Dimensions 135×75×140 mm
€48.50
-
Motorcycle battery Exide 12N9-4B-1 12V 9Ah 85A
- 12 V
- 9 Ah
- 85 A
- Conventional EXIDE 12N9-4B-1 · 9 Ah · 85 A
Dimensions 135×75×140 mm
€47.50
-
Motorcycle battery Varta YB4L-B Powersports (504011002) 12V 4Ah 50A
- 12 V
- 4 Ah
- 50 A
Dimensions 121×71×93 mm
€98.80
-
Motorcycle battery Fulbat FB4L-B GEL 12V 5.3Ah 50A GEL
- 12 V
- 5.30 Ah
- 50 A
- GEL FULBAT FB4L-B GEL · 5.30 Ah · 50 A
Dimensions 120×70×92 mm
€31.36
| Category | Make | Reference | Capacity | Cold cranking | Dimensions | Technology | Price | |
|---|---|---|---|---|---|---|---|---|
| Conventional batteries | VARTA | 509014009 | 9 Ah | 85 A | 136×76×139 mm | Conventional | €110.60 | More info |
| Conventional batteries | FULBAT | FB9-B GEL | 9.50 Ah | 115 A | 135×75×139 mm | GEL | €58.04 | More info |
| Conventional batteries | EXIDE | EB4L-B | 4 Ah | 50 A | 120×70×95 mm | Conventional | €32.80 | More info |
| Conventional batteries | EXIDE | EB9-B | 9 Ah | 100 A | 135×75×140 mm | Conventional | €48.50 | More info |
| Conventional batteries | EXIDE | 12N9-4B-1 | 9 Ah | 85 A | 135×75×140 mm | Conventional | €47.50 | More info |
| Conventional batteries | VARTA | 504011005 | 4 Ah | 50 A | 121×71×93 mm | Conventional | €98.80 | More info |
| Conventional batteries | FULBAT | FB4L-B GEL | 5.30 Ah | 50 A | 120×70×92 mm | GEL | €31.36 | More info |
Frequently asked questions
- Piaggio FLY Fly 50 (4 hp, 2004-2013): depending on the equipment, it takes a conventional 9 Ah, 85 A battery (136 × 76 × 139 mm) or a 3 Ah, 40 A AGM battery (114 × 71 × 86 mm). Measure your current battery before choosing. We found 13 compatible batteries priced between 12,20€ — 110,60€. 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 Piaggio FLY Fly 50 battery compartment and the positive terminal position matches.
- 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.