Batteries for Honda 250 TRX 250X, EX
Which battery does a Honda 250 TRX 250X, EX need?
Specifications and battery: TRX 250X, EX
Honda 250 TRX 250X, EX takes a 11 Ah, 135 A AGM battery (150 × 88 × 105 mm), with the positive terminal on the left.
Battery for this engine
| Version | Technology | Capacity | Cold cranking (EN) | Size (L×W×H) | Polarity |
|---|---|---|---|---|---|
| Main | AGM | 11 Ah | 135 A | 150 × 88 × 105 mm | + on the left |
This engine shares its battery with the TRX 250 EX, TE, TM: the compatible batteries are exactly the same.
Data: vehicle specifications and the battery manufacturer's application catalogue.
Battery analysis for your Honda 250 TRX 250X, EX
Quick answer You need an AGM battery of 11 Ah. Our recommendation: VARTA 511901016.

Prices and availability updated on 19/10/2026
Based on the batteries we found for your vehicle, our experts help you pick the right one.
📋 What we found
For your Honda 250 TRX 250X, EX we found 5 compatible Start-Stop batteries.
⚡ Battery type for your vehicle
✓ Your Honda 250 TRX 250X, EX 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 Honda 250 TRX 250X, EX we recommend the VARTA 511901016 (AGM, 11 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 5.0/5 by 2 verified customers.
- Next-day delivery if you order before 6 PM.
- 22% cheaper than the most expensive option in the list.
Thanks for your feedback! We keep improving.
💬 Customer opinions are very important to us. We'd appreciate it if you could leave a short comment about what you liked.
With the currently active filters no battery from the list is shown. Remove a filter to see compatible options.
Verified selection
- Class: Quads Batteries
- Brand: Honda
- Model: 250
- Engine: TRX 250X, EX
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 511901016
For €19.80 more you get +40 A cold cranking and +3 Ah capacity.
| RecommendedVARTA 511901016 | CheapestEXIDE ETX9-BS | |
|---|---|---|
| Cold cranking | 160 A | 120 A |
| Capacity | 11 Ah | 8 Ah |
| Technology | AGM | AGM |
| Why | Varta brand | — |
| Price | €43.20 | €23.40 |
-
Motorcycle battery Varta YT12A-BS (511901014) 12V 11Ah 160A AGM
- 12 V
- 11 Ah
- 160 A
- AGM VARTA 511901016 · 11 Ah · 160 A
Dimensions 150×88×105 mm
- ✓ Varta brand
€43.20
-
Motorcycle battery Varta YTX9-BS (508012008) 12V 8Ah 135A AGM
- 12 V
- 8 Ah
- 135 A
- AGM VARTA 508012014 · 8 Ah · 135 A
Dimensions 152×88×106 mm
€30.20
-
Motorcycle battery Exide ETX9-BS 12V 8Ah 120A AGM
- 12 V
- 8 Ah
- 120 A
- AGM EXIDE ETX9-BS · 8 Ah · 120 A
Dimensions 150×90×105 mm
€23.40
-
Motorcycle battery Exide AGM12-7.5 12V 8Ah 120A AGM
- 12 V
- 8 Ah
- 120 A
- AGM EXIDE AGM12-7.5 · 8 Ah · 120 A
Dimensions 150×90×105 mm
€55.60
-
Motorcycle battery Exide ET12A-BS 12V 10Ah 130A AGM
- 12 V
- 10 Ah
- 130 A
- AGM EXIDE ET12A-BS · 10 Ah · 130 A
Dimensions 150×90×105 mm
€34.70
| Category | Make | Reference | Capacity | Cold cranking | Dimensions | Technology | Price | |
|---|---|---|---|---|---|---|---|---|
| Start-Stop & high energy demand batteries | VARTA | 511901016 | 11 Ah | 160 A | 150×88×105 mm | AGM | €43.20 | More info |
| Start-Stop & high energy demand batteries | VARTA | 508012014 | 8 Ah | 135 A | 152×88×106 mm | AGM | €30.20 | More info |
| Start-Stop & high energy demand batteries | EXIDE | ETX9-BS | 8 Ah | 120 A | 150×90×105 mm | AGM | €23.40 | More info |
| Start-Stop & high energy demand batteries | EXIDE | AGM12-7.5 | 8 Ah | 120 A | 150×90×105 mm | AGM | €55.60 | More info |
| Start-Stop & high energy demand batteries | EXIDE | ET12A-BS | 10 Ah | 130 A | 150×90×105 mm | AGM | €34.70 | More info |
Frequently asked questions
- Honda 250 TRX 250X, EX takes a 11 Ah, 135 A AGM battery (150 × 88 × 105 mm), with the positive terminal on the left. We found 5 compatible batteries priced between 23,40€ — 55,60€. 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 Honda 250 TRX 250X, EX battery compartment and the positive terminal position matches.
- Yes, we detected Start-Stop compatible batteries for your Honda 250 TRX 250X, EX. 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.
- 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.
- Motorcycles can use GEL, AGM or conventional batteries. GEL is ideal for occasional use as it holds its charge well. AGM is the best choice for intensive use or high-powered bikes. Always verify the polarity before installing.
- Polarity indicates which side the positive terminal (+) is on. For motorcycles this is critical as some models have the positive on the left and others on the right. Check the label on your current battery or the owner's manual.
- Yes. First disconnect the negative cable (−), then the positive (+). When fitting the new battery, connect the positive (+) first, then the negative (−). Always respect the correct polarity.