EcoFlow DELTA Pro 3 Smart Extra Battery

EcoFlow DELTA Pro 3 Smart Extra Battery

The EcoFlow DELTA Pro 3 Smart Extra Battery is a modular LiFePO₄ expansion pack that adds 4096 Wh to your DELTA Pro 3 power station. It’s a plug-and-play way to extend runtime for home backup, off-grid setups, RVs and job sites without compromising safety or lifespan.

Built with durable LFP cells and intelligent battery management, it supports high charge/discharge currents and a wide operating temperature range. Add one or two extras to scale your system up to around 12 kWh, giving you the headroom to run more appliances for longer between charges.

• Features
• 4096 Wh capacity with LiFePO₄ chemistry
• Rated for 4000+ cycles to 80% capacity
• Plug-and-play connection to DELTA Pro 3
• Upgradeable system capacity up to ~12 kWh (with multiple extras)
• High current handling: up to 80 A input / 100 A output
• LED status display and stackable, indoor-friendly design
• Maintenance-light, low-self-discharge storage

• Applications
• Home backup for essential circuits and appliances
• Off-grid living, cabins and remote work sites
• RVs, caravans and marine use for extended runtimes
• Emergency preparedness and portable project power

• What’s in the Box
• DELTA Pro 3 Smart Extra Battery
• Extra Battery Flat Link Cable (0.85 m)
• Quick Start Guide
• Safety Guide
• Warranty Card

Need more runtime from your DELTA Pro 3 with dependable, long-life storage? This Smart Extra Battery is an easy, scalable upgrade that keeps your power flowing when it matters.