A new analysis from energy think tank Ember shows that utility-scale battery storage costs have fallen to $65 per megawatt-hour (MWh) as of October 2025 in markets outside China and the US. At that level, pairing solar with batteries to deliver power when it's needed is now.
To compile this list of the best industrial solar battery storage companies, we reviewed providers that specialise in large-scale battery energy storage systems for commercial and industrial applications.
Our recommendations are based on the features needed along with durability and waterproof rating. Since communication over large areas is typical, a powerful radio that can be used with a repeater system is recommended.
Technically, all you need to charge a 12v battery is a solar panel with a 12v rating. This can be any solar panel, although the bigger it's, the quicker your battery will charge.
What's the best cheap portable power station right now? I've put over 120 portable power stations to the test to discover the absolute best. My top pick for an affordable option is the EcoFlow River 2. Right now, it's a steal at Amazon for $179.