BATTERY FOR VARIOUS MODELS U1-280 SLA 24 Ah - 12 Volts Pole+ : LEFT width: 197 mm width: 130 mm height: 170 mm SLA SYSTEM: SLA (Sealed Lead Acid) batteries are totally sealed lead batteries. Ready for use, they feature 'Maintenance Free' technology, meaning they require no maintenance. CODE: R106278 ORIGINAL CODE: AT