Power Sonic PS12350 - 12V 35AH (Repalce32AH 34AH) VRLA AGM / GEL Sealed Rechargeable Batteries for Mobility Scooters & Wheelchairs Dimensions: 195mm Long X 130mm Wide X 177mm High (Over Terminals). Weight: 11.5kg Terminals are Bolt connectors - Bolts and Nuts included Voltage: 12V / Amps: 35AH / VRLA AGM / GEL - Sealed Rechargeable - TOTALLY SEALED AND SAFE with 1 YEAR WARRANTY. Important Note: Please do check the Dimensions (Size) and Polarity of the Battery i.e. positive and negative terminal (post) Layout] and terminal type against your Old battery or Battery Tray where the battery is placed before purchasing (Buying) the battery from our AMAZON shop. Note: GEL/AGM means 'Absorbed Glass Mat' - The plates are wrapped and Gel electrolyte is absorbed by the mat. This gives you a battery that is more resilient to cold weather and input voltages from your charger than full Gel, giving you a very robust Cyclic battery.