Royal batteries provide a comprehensive product warranty on all their products. All their batteries are designed with Calcium alloy grids and plates to minimise corrosion. The Envelope between the separators and the battery plates is there to eliminate internal short circuits.
A central venting system has been added to regulate the gassing of the battery during charge stage. A gas safety device and a high impact strength container finalise this quality of the Royal batteries. The batteries are also fitted with a with a built in charge Indicator.
Royal Batteries – Terms and ratings
Hot cranking amperes:
Hot cranking amperes refers to the amount of current the battery can deliver at 26.7 °C. The rating is defined as the current in the battery at the temperature. The load need to deliver the cracking amperes for 30 seconds and current must be maintain at 1.2 volts per cell.
Reserve capacity minutes:
Reserve capacity minutes refer to the minimum current the battery must continuously deliver 25 amperes before its voltage drops below 10.5 volts. If the volts drop below 10.5 volts during the reserve capacity the battery should be charged. When a battery drops below 10.5 volts the plates can be damaged.