Peace, mercy, and blessings of God be upon you. 25 Ampere backup battery charge controller from ATEM POWER. A 25 Ampere smart multi-stage charge controller from the Australian brand ATEM POWER. It charges the backup battery from the vehicle's alternator or directly from solar panels, thanks to built-in MPPT technology that increases solar panel efficiency by up to 30%. The most suitable option for small and medium systems, and compatible with all common battery types. Location: Riyadh. For sale to the highest bidder.