# 8Ah batteries We stock 23 batteries of 8 Ah (AGM, lead-acid, Quadflex) priced between 22.78 € and 191.29 €, VAT included. Amp-hour capacity is the total energy the battery stores: when replacing, always fit equal or slightly higher capacity than the original, never lower. A 8Ah battery belongs to the small segment: motorcycles, scooters, quads, jet skis, UPS and electronics. Compact format and vibration resistance rule here; always check terminal layout before buying. At this rating we stock AGM, lead-acid, Quadflex. Start-Stop golden rule: never downgrade technology — factory AGM must be replaced with AGM; factory EFB can be upgraded to AGM but never downgraded to conventional. Brands available right now in at 8 Ah: Varta (6), Exide (6), Motobatt (3), Fullriver (3), Q-battery (2), Ritar (1). All with official warranty and live stock. Cold cranking amps (CCA, EN standard) of the listed models range from 40 to 190 A. When replacing, pick a CCA equal or higher than your original: every amp counts in winter. ## Available models | Modelo | V | Ah | CCA (EN) | L×An×Al mm | Tech | Polarity | € VAT incl. | Stock | URL | |---|---|---|---|---|---|---|---|---|---| | Motorcycle battery Varta YTX9-BS (508012008) 12V 8Ah 135A AGM | 12 | 8 | 135 | 152×88×106 | AGM | | 30,20 | ✓ | https://baterias.com/gb/battery-varta-moto-12v-8ah-ytx9-4-ytx9-bs-508012008 | | Motorcycle battery Exide ETX9-BS 12V 8Ah 120A AGM | 12 | 8 | 120 | 150×90×105 | AGM | | 23,40 | ✓ | https://baterias.com/gb/battery-exide-etx9-bs-12v-8ah-120a | | Motorcycle battery Varta TTZ10S-BS (508901015) 12V 8Ah 150A AGM | 12 | 8 | 150 | 150×87×93 | AGM | | 39,10 | ✓ | https://baterias.com/gb/battery-varta-motorcycle-12v-8ah-ytz10s-4-508901015 | | Motorcycle battery Exide ET9B-BS 12V 8Ah 110A AGM | 12 | 8 | 110 | 150×70×105 | AGM | | 30,70 | ✓ | https://baterias.com/gb/battery-exide-et9b-bs-12v-8ah-110a | | Motorcycle battery Exide AGM12-7.5 12V 8Ah 120A AGM | 12 | 8 | 120 | 150×90×105 | AGM | | 55,60 | ✓ | https://baterias.com/gb/battery-exide-agm12-7_5-12v-8ah-120a | | Motorcycle battery Exide AGM12-8 12V 8.6Ah 145A AGM | 12 | 8 | 145 | 150×90×95 | AGM | | 48,20 | ✓ | https://baterias.com/gb/battery-exide-agm12-8-12v-86ah-145a | | Motorcycle battery Varta YT9B-BS (509902008) 12V 8Ah 115A AGM | 12 | 8 | 115 | 149×70×105 | AGM | | 93,10 | ✓ | https://baterias.com/gb/battery-varta-moto-12v-8ah-yt9b-4-yt9b-bs-509902008 | | Motorcycle battery Varta B49-6 (008011004) 6V 8Ah 40A | 6 | 8 | 40 | 91×83×161 | PLOMO/ACIDO | | 65,10 | ✓ | https://baterias.com/gb/battery-varta-motorcycle-6v-8ah-b49-6-008011004 | | Motorcycle battery Exide EB7-A 12V 8Ah 85A | 12 | 8 | 85 | 135×75×135 | PLOMO/ACIDO | | 45,40 | ✓ | https://baterias.com/gb/battery-exide-eb7-a-12v-8ah-85a | | Motorcycle battery Varta YB7-A (508013008) 12V 8Ah 110A | 12 | 8 | 110 | 137×76×134 | PLOMO/ACIDO | | 113,60 | ✓ | https://baterias.com/gb/battery-varta-moto-12v-8ah-yb7-a-508013008 | | Motorcycle battery Varta GM7CZ-3D (507101008) 12V 8Ah 110A | 12 | 8 | 110 | 130×90×114 | PLOMO/ACIDO | | 116,90 | ✓ | https://baterias.com/gb/battery-varta-moto-12v-8ah-gm7cz-3d-yb7c-a-507101008 | | Motorcycle battery Exide EB7L-B 12V 8Ah 85A | 12 | 8 | 85 | 135×75×135 | PLOMO/ACIDO | | 45,20 | ✓ | https://baterias.com/gb/battery-exide-eb7l-b-12v-8ah-85a | | Motorcycle battery Odyssey ODS-AGM8E 8Ah 100A AGM | 0 | 8 | 100 | 137×86×99 | AGM | | 191,90 | — | https://baterias.com/gb/battery-odyssey-ods-agm8e-8ah-100a | | Motorcycle battery Motobatt MBTX7U 12V 8Ah 115A AGM | 12 | 8 | 115 | 114×70×128 | Quadflex | | 71,95 | — | https://baterias.com/gb/battery-motobatt-mbtx7u-8ah | | Wheelchair battery Fullriver HC8 12V 8Ah 100A AGM | 12 | 8 | 100 | 138×86×102 | AGM | | 153,90 | — | https://baterias.com/gb/battery-fullriver-hc8-12v-8ah-100-cca | | Motorcycle battery Motobatt MBTZ10S 12V 8.6Ah 190A AGM | 12 | 8 | 190 | 151×87×95 | Quadflex | | 132,60 | — | https://baterias.com/gb/battery-motobatt-mbtz10s-86ah | | Motorcycle battery Motobatt MBTX7ABS 12V 8Ah 105A AGM | 12 | 8 | 105 | 151×87×95 | Quadflex | | 106,80 | — | https://baterias.com/gb/battery-motobatt-mbtx7abs-8ah | | Marine battery Fullriver FT100 12V 8Ah 100A AGM | 12 | 8 | 100 | 138×86×102 | AGM | | 183,50 | — | https://baterias.com/gb/battery-fullriver-ft100-12v-8ah-100a | | Stationary UPS battery Ritar HR12-32W 12V 8Ah AGM | 12 | 8 | 0 | 151×65×100 | AGM | | 48,95 | — | https://baterias.com/gb/battery-ritar-hr12-32w-12v-8ah | | Stationary UPS battery Q-battery 12LSX-24 12V 8.8Ah AGM | 12 | 8 | 0 | 151×65×94 | AGM | | 98,40 | — | https://baterias.com/gb/battery-q-battery-12lsx-24-12v-88ah | | Stationary UPS battery Q-battery 12LSX-9 12V 28Ah AGM | 12 | 8 | 0 | 165×125×175 | AGM | | 36,90 | — | https://baterias.com/gb/battery-q-battery-12lsx-9-12v-9ah | | Equipment battery Cyclon 2V-E 2V 8Ah AGM | 2 | 8 | 0 | 44×44×100 | AGM | | 45,40 | — | https://baterias.com/gb/battery-cyclon-2v-e-2v-80ah | | Marine battery Fullriver FT100R 12V 8Ah 100A AGM | 12 | 8 | 100 | 138×86×102 | AGM | | 183,50 | — | https://baterias.com/gb/battery-fullriver-ft100r-12v-8ah-100a | | Motorcycle battery Fulbat FT9B-4 GEL 12V 8.4Ah 120A GEL | 12 | 8 | 120 | 150×68×105 | GEL | | 56,97 | — | https://baterias.com/gb/battery-fulbat-ft9b-4-gel-12v-8-4ah-120a | | Motorcycle battery Fulbat FTX9-BS GEL 12V 8.4Ah 135A GEL | 12 | 8 | 135 | 150×87×105 | GEL | | 56,97 | — | https://baterias.com/gb/battery-fulbat-ftx9-bs-gel-12v-8-4ah-135a | | Motorcycle battery Fulbat FB7C-A GEL 12V 8.4Ah 85A GEL | 12 | 8 | 85 | 129×89×114 | GEL | | 56,49 | — | https://baterias.com/gb/battery-fulbat-fb7c-a-gel-12v-8-4ah-85a | | Motorcycle battery Fulbat FB7-A GEL 12V 8.4Ah 120A GEL | 12 | 8 | 120 | 135×75×133 | GEL | | 53,22 | — | https://baterias.com/gb/battery-fulbat-fb7-a-gel-12v-8-4ah-120a | | Motorcycle battery Fulbat FB7L-B/B2 GEL 12V 8.4Ah 100A GEL | 12 | 8 | 100 | 136×76×130 | GEL | | 53,22 | — | https://baterias.com/gb/battery-fulbat-fb7l-b-b2-gel-12v-8-4ah-100a | | Motorcycle battery Fulbat FLTX12/14-FLTZ12S/14S 8Ah 480A LiFePO4 | 0 | 8 | 480 | 150×87×93 | LiFePO4 | | 195,66 | — | https://baterias.com/gb/battery-fulbat-fltx12-14-fltz12s-14s-8ah-480a | ## Frequently asked questions ### How much does a 8Ah battery cost? Between 23.40 € and 195.66 €, VAT included, depending on technology (AGM, lead-acid, GEL, Quadflex) and brand. Price grows with cold cranking amps (CCA) and Start-Stop technologies such as EFB or AGM. ### Can I fit a battery with more capacity than 8Ah? Yes, as long as the dimensions and terminal layout match your tray and the CCA is equal or higher than the original. What you should never do is fit LESS capacity than the manufacturer specifies. ### What sizes do 8Ah batteries usually have? The most common sizes for this rating are 138x86x102 · 151x87x95 · 135x75x135 (length × width × height, in mm). Always check your tray before buying: each product page lists exact dimensions. ### AGM, EFB or conventional for my car? It depends on the equipment: with advanced Start-Stop (regenerative braking) fit AGM; with basic Start-Stop, EFB — or AGM, never less —; without Start-Stop a quality conventional battery is enough. On this page you can filter by technology to see only the ones that suit your case. ### How do I know which polarity I need? Look at your current battery from the front with the terminals on the far side: if the positive (+) sits on the right it is right polarity; on the left, left polarity. Every card shows the polarity and you can filter by it above — with the wrong polarity the cables will not reach the terminal. --- Updated: 2026-10-04 · https://baterias.com/gb/batteries-8ah