MARSTEK Saturn B2500-D Balcony Solar Battery Storage 2.24kWh LFP Expandable to 8.96kWh IP65

The MARSTEK Saturn B2500-D is a balcony solar battery with a 2.24 kWh LFP cell that connects to almost every mainstream solar module and microinverter via its MC4 interface, helping you cut your electricity costs.

• 2.24 kWh of storage capacity, expandable to 8.96 kWh → so the system can grow with your energy needs at any point, without you having to invest in an oversized setup from day one
• 2 independent MPPT channels with up to 1600 watts of PV input → uses solar energy particularly efficiently and feeds it into the household as needed, so the solar power you generate during the day is still available in the evening
• MC4 interface with broad compatibility across mainstream solar modules and microinverters → integrates easily into existing installations, with no need to replace the components you already have
• Installation in minutes, with no tools or technical expertise → so you can get started immediately, without waiting for an installer or paying high fitting costs
• LFP battery technology with over 6000 charge cycles and a 10-year manufacturer’s warranty → works reliably for many years and retains most of its original capacity over the long term, so your investment lasts
• IP65 rating: dust-tight and protected against water jets → so you can use the battery outdoors on a balcony all year round without worrying about the weather

Ideal for renters and homeowners who want to retrofit reliable storage on a balcony or to an existing solar installation. Genuine product, as-new condition. With built-in seven-stage safety protection and MARSTEK app control you keep full visibility of your energy use at all times – the dependable choice for permanent use with no installation work.