Batteries for SYM HD HD 300 26 hp (petrol, from 2019)
Which battery does a SYM HD HD 300 need?
Specifications and battery: HD 300 (26 hp)
SYM HD HD 300 (26 hp, petrol, from 2019) takes a 11 Ah, 160 A AGM battery (150 × 88 × 105 mm), with the positive terminal on the left.
- Brand
-
SYM
- Model
- HD
- Built
- 2019 - 2026
- Fuel
- Petrol
- Cylinders
- 1
- Drive
- Vario
Battery for this engine
| Version | Technology | Capacity | Cold cranking (EN) | Size (L×W×H) | Polarity |
|---|---|---|---|---|---|
| Main | AGM | 11 Ah | 160 A | 150 × 88 × 105 mm | + on the left |
Data: vehicle specifications and the battery manufacturer's application catalogue.
Battery analysis for your SYM HD HD 300
Quick answer You need an AGM battery of 11 Ah. Our recommendation: VARTA 511901016.
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 SYM HD HD 300 we found 1 compatible Start-Stop battery.
⚡ Battery type for your vehicle
✓ Your SYM HD HD 300 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 SYM HD HD 300 it's the recommended battery: VARTA 511901016. Its specs: AGM technology, 11 Ah capacity, 160 CCA cranking power, 150×88×105 mm dimensions.
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Verified selection
- Class: Motorcycle Batteries
- Brand: SYM
- Model: HD
- Engine: HD 300
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.
| 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 |
Frequently asked questions
- SYM HD HD 300 (26 hp, petrol, from 2019) takes a 11 Ah, 160 A AGM battery (150 × 88 × 105 mm), with the positive terminal on the left. We found 1 compatible batteries. 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 SYM HD HD 300 battery compartment and the positive terminal position matches.
- Yes, we detected Start-Stop compatible batteries for your SYM HD HD 300. 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.