الجزائر (Al-Jazā’ir) 
المغرب (Al-Maghrib) 
تونس (Tūnis) 
ليبيا (Lībiyā) 
مصر (Miṣr) 
الأردن (Al-ʾUrdunn) 
السعودية (As-Saʿūdiyyah) 
لبنان (Lubnān) 
België / Belgique / Belgien 
България (Bǎlgariya) 
Bosna i Hercegovina 
Česko 
Србија (Srbija) 
Crna Gora 
Danmark 
Deutschland 
Eesti 
Éire 
Ελλάδα (Elláda) 
España 
France 
Hrvatska 
Ísland 
Italia 
Kosovo 
Κύπρος (Kýpros) / Kıbrıs 
Latvija 
Lëtzebuerg / Luxembourg / Luxemburg 
Lietuva 
Macedonia 
Magyarország 
Micronesia 
Nederland 
Norge 
Österreich 
Polska 
Portugal 
România 
Schweiz / Suisse / Svizzera / Svizra 
Shqipëria 
Slovenija 
Slovensko 
Suomi 
Sverige 
United Kingdom 
Україна (Ukraina) 
28 January 2026
12V 18.9Ah 310A(EN) - YTX® & YIX High performance maintenance free AGM series battery
Short Part Number
12V 18.9Ah 310A(EN) - YTX® & YIX High performance maintenance free AGM series battery
YTX20H-BS
12V 18.9Ah 310A(EN) - YTX® & YIX High performance maintenance free AGM series battery
RRP
£148.99
A range of high performance 12V Absorbent Glass Mat (AGM) VRLA batteries, incorporating extra battery plates with a specialist design for increased cranking amps, less maintenance and longer life.
• Increased cranking power - up to 30% more CCA than standard AGM batteries
• High resistance to vibration & corrosion
• Selected models supplied filled & ready to fit.
All Yuasa High Performance Maintenance Free AGM batteries
• Premium AGM (Absorbent Glass Mat) technology with no free acid
• Up to four times longer life than competitors’ equivalent product
• Fully maintenance free - never add water, but periodic charging is required when not in use
• Sealed, spill-proof design with multi-angle fitment
• Sulphate Stop additive to protect against undercharging damage
• Ideal for motorcycles, utility vehicles, scooters, ATVs, riding mowers, personal watercraft & snowmobiles
Motorcycle and powersport manufacturers demand the best so overwhelmingly choose Yuasa batteries. With over 90 years of development, every battery provides the same high performance, quality and reliability as the factory fitted OE original.
GS Yuasa are an original equipment supplier to the world’s leading motorcycle and powersport manufacturers, including: Aprilia, BMW, Ducati, Harley-Davidson, Honda, Kawasaki, KTM, Moto Guzzi, MV Augusta, Piaggio, Suzuki, Triumph, Vespa, Yamaha, Artic Cat, Bombardier Sea-Doo, Bombardier Ski-Doo, BRP Rotax and Polaris.
This battery is supplied dry, with a separate pack of battery acid, and is only available to authorised distributors and resellers who are legally permitted to handle battery acid.
In accordance with UK Explosives Precursors and Poisons (EPP) legislation, this product cannot be sold to members of the public unless the purchaser holds a valid EPP licence.
Within the EU, Regulation (EU) 2019/1148 prohibits the sale of this product to private individuals.
Specification
| Range | YTX & YIX® High Performance Maintenance Free AGM |
|---|---|
| Nominal Voltage | 12 V |
| Capacity (10hr) | 18 Ah |
| Capacity (20hr) | 18.9 Ah |
| CCA | 310 A |
| Length | 175 mm |
| Width | 87 mm |
| Terminal Type | 4 |
| Height | 155 mm |
| Layout | 1 |
| Flame Arrestor | No |
| Technology | Cast Ca/Ca |
| Separator Type | AGM |
| VDA Roll Over Test | No |
Product specifications are provided for guidance only and may vary due to manufacturing across multiple production facilities. Changes to product details may occur without prior notice.
Downloads & datasheets
Datasheet
DownloadMotorcycle acid pack 37-41% safety data sheet
DownloadYuasa vehicle battery ranges
DownloadThe ultimate guide to bike batteries
DownloadProduct specifications are provided for guidance only and may vary due to manufacturing across multiple production facilities. Changes to product details may occur without prior notice.
A range of high performance 12V Absorbent Glass Mat (AGM) VRLA batteries, incorporating extra battery plates with a specialist design for increased cranking amps, less maintenance and longer life.
• Increased cranking power - up to 30% more CCA than standard AGM batteries
• High resistance to vibration & corrosion
• Selected models supplied filled & ready to fit.
All Yuasa High Performance Maintenance Free AGM batteries
• Premium AGM (Absorbent Glass Mat) technology with no free acid
• Up to four times longer life than competitors’ equivalent product
• Fully maintenance free - never add water, but periodic charging is required when not in use
• Sealed, spill-proof design with multi-angle fitment
• Sulphate Stop additive to protect against undercharging damage
• Ideal for motorcycles, utility vehicles, scooters, ATVs, riding mowers, personal watercraft & snowmobiles
Motorcycle and powersport manufacturers demand the best so overwhelmingly choose Yuasa batteries. With over 90 years of development, every battery provides the same high performance, quality and reliability as the factory fitted OE original.
GS Yuasa are an original equipment supplier to the world’s leading motorcycle and powersport manufacturers, including: Aprilia, BMW, Ducati, Harley-Davidson, Honda, Kawasaki, KTM, Moto Guzzi, MV Augusta, Piaggio, Suzuki, Triumph, Vespa, Yamaha, Artic Cat, Bombardier Sea-Doo, Bombardier Ski-Doo, BRP Rotax and Polaris.
This battery is supplied dry, with a separate pack of battery acid, and is only available to authorised distributors and resellers who are legally permitted to handle battery acid.
In accordance with UK Explosives Precursors and Poisons (EPP) legislation, this product cannot be sold to members of the public unless the purchaser holds a valid EPP licence.
Within the EU, Regulation (EU) 2019/1148 prohibits the sale of this product to private individuals.
Specification
| Range | YTX & YIX® High Performance Maintenance Free AGM |
|---|---|
| Nominal Voltage | 12 V |
| Capacity (10hr) | 18 Ah |
| Capacity (20hr) | 18.9 Ah |
| CCA | 310 A |
| Length | 175 mm |
| Width | 87 mm |
| Terminal Type | 4 |
| Height | 155 mm |
| Layout | 1 |
| Flame Arrestor | No |
| Technology | Cast Ca/Ca |
| Separator Type | AGM |
| VDA Roll Over Test | No |
Explore more products
-
GYZ16H12V 16.8Ah 240A(EN) - GYZ® High performance maintenance free AGM series battery
- Technology: Cast Ca/Ca
- Mounting Angle: Moderate
- Maintenance: Maintenance Free
RRP
£190.01Out of stock
