The JCB 72920643 (also known as 729/20643) is a genuine JCB 643 series dry charged battery, engineered to provide reliable starting power for a wide range of JCB agricultural, construction, and industrial machinery. This 12-volt battery features a capacity of 100 amp-hours (Ah) and a cold cranking amperage (CCA) of 800, ensuring robust performance in various operating conditions. Its dry-charged state allows for an extended shelf life prior to activation. Key dimensions include a length of 350 mm, a width of 175 mm, and a height of 230 mm, with a dry weight of 18.5 kg. This battery is a critical component for maintaining the operational efficiency and starting reliability of compatible JCB models.