Technical Overview
Expandable Power at Lower Cost – Add 2048Wh to DELTA 2 Max, DELTA Max, or DELTA 2 The EcoFlow DELTA 2 Max Smart Extra Battery adds 2048Wh of extra capacity to your existing DELTA 2 Max, DELTA Max, or DELTA 2 system—scaling up to 6144Wh when paired with two units. With a 10-year lifespan, plug-and-play simplicity, and compact stackable design, it’s a cost-efficient energy expansion ideal for home backup, RV living, and outdoor use. Key Features Expandable Capacity: Adds 2048Wh to DELTA 2 Max, DELTA Max, or DELTA 2 for up to 6144Wh total. Cost-Effective Power: Get triple the power at up to 30% less than equivalent power stations. Long Battery Life: LFP chemistry provides 3000+ cycles to 80%—up to 10 years of daily use. Plug-and-Play: No setup needed—just connect and go. App Monitoring: Use the EcoFlow app to monitor battery status and manage power on the go. Stackable Design: Space-saving, compact, and ergonomically designed to stack on other units. Backed by Warranty: Includes a full 5-year manufacturer warranty for reliable performance. Specifications Capacity: 2048Wh Input Port: 51.2V, 2000W Max Output Port: 51.2V, 3200W Max Battery Chemistry: LFP, 3000 cycles to >80% capacity Dimensions: 18 × 9 × 11 in / 464 × 235 × 283 mm Weight: 42 lbs / 19 kg Compatible Models: DELTA 2, DELTA Max 2000, DELTA 2 Max Products Included 1× DELTA 2 Max Smart Extra Battery 1× DELTA 2 Max Extra Battery Cable 1× User Manual & Warranty Card Shipping Information FREE & FAST SHIPPING SAVE Hundreds Today with Free Shipping on All Orders. We Ship to ALL 48 Lower States (We do not ship to Puerto Rico, Hawaii, Alaska) Lead Time - 3-7 Business Days Depending on Product - Once You Place an Order, We immediately begin processing, the order request is sent to our warehouse and is prepared for pickup,