Peace, mercy, and blessings of God be upon you. Rechargeable batteries, quantity 20 batteries. With an iron cabinet from EnerRocket ES 42-12 type with a voltage of 12 volts and a capacity of 42 amps, it is a sealed lead-acid battery (SMF VRLA) commonly used in uninterruptible power systems (UPS) and solar power systems. Technical specifications of the battery: Voltage: 12 volts. Storage capacity: 42 Ampere-hours (Ah). Type: Sealed lead-acid battery regulated by valves (VRLA). Uses: Emergency systems, power backup, and renewable energy.