Solax TRIPLEPOWER-5.8-M Master 5.8kWh Battery. SolaX Power is delighted to announce compatibility with the new Triple Power high-voltage battery solution. Designed and manufactured by SolaX, Triple Power is offering a NEW 5.8kWh model that can be installed in series with up to 4 batteries enabling 23kWh of storage. The new Triple Power encompasses the very latest in LFP technology which ensures much safer installations with wider temperature tolerances. With a 10-year warranty and 90% depth of discharge, the new Triple Power battery is a flexible, practical, high-performance energy storage solution.