The batteries you see in the image are WP7‐12, 12 V 7 Ah sealed lead‐acid rechargeable units, model CP4C2‐28W. They are designed to provide reliable DC power and are manufactured in Vietnam for Centurion Systems (Pty) Ltd, as indicated by the website on the label. The batteries are non‐spillable and use a constant‐voltage charging method. For cycle use, the recommended charge voltage is 14.4 – 15.0 V, while for standby use it is 13.5 – 13.8 V, all measured at 20 °C. The initial charging current should not exceed 2.1 A.These batteries are suitable for applications requiring steady, low‐maintenance power, and they should be handled and disposed of according to the safety and recycling instructions provided.