Name: EcoFlow DELTA 3 Plus Smart Extra Battery
SKU: 25225
Availability: InStock

EcoFlow DELTA 3 Plus Smart Extra Battery

SKU: 25225

KSh59,999

EcoFlow DELTA 3 Plus Smart Extra Battery

The EcoFlow DELTA 3 Plus Smart Extra Battery (model EFD3-EB) is a compact, expandable LiFePO4 (LFP) battery pack designed to boost the capacity of the DELTA 3 Plus portable power station, ideal for extended home backup, RV camping, off-grid adventures, or emergency power needs. Launched in late 2024, it adds 1024Wh of storage via a plug-and-play connection, doubling the DELTA 3 Plus’s base 1024Wh to 2048Wh (or up to 5kWh with compatible larger batteries). Its fanless design ensures silent operation, and the built-in BMS (Battery Management System) provides real-time monitoring through the EcoFlow app for charge levels, runtime, and health status. At just 1/3 the size of previous models like the DELTA 2 extra battery, it’s highly portable without sacrificing durability.

Key Features

Feature	Description
Capacity	1024Wh (51.2V, 20Ah) – doubles DELTA 3 Plus runtime for essentials like fridges or lights
Battery Chemistry	LiFePO4 (LFP) for safety, stability, and 4000+ cycles to 80% capacity (up to 10-11 years daily use)
Connectivity	Single XT150 port for direct plug-in; app-controlled (iOS/Android) with LED display for status
Expansion	Compatible with DELTA 3 Plus (1 direct connection); supports up to 5kWh total using DELTA Pro 3 (4096Wh) or DELTA 2 Max (2048Wh) batteries with adapters
Charging	Charges via main unit (AC/solar/car); pass-through support; full charge in ~1 hour with X-Stream tech
Safety & Build	Automotive-grade cells with overcharge/overheat protection; IP65 dust/water resistance; no fans for quiet use
Dimensions & Weight	13.5 x 8.3 x 10.6 inches; 25.4 lbs – compact and stackable

Compatibility	Primary: DELTA 3/3 Plus/1500, DELTA 2; Extended: DELTA Pro 3/2 Max (adapters needed)

How It Works

Connect: Plug the included XT150 cable into the DELTA 3 Plus’s Extra Battery Port – no tools or setup required.
Power Up: The battery auto-integrates; charge via the main unit’s AC (0-100% in 56 min), solar (up to 1000W input), or alternator.
Monitor: Use the EcoFlow app to view combined capacity, estimated runtime (e.g., 10+ hours for a 100W device), and firmware updates. The LED screen shows basic stats like % remaining.
Expand Further: For >2kWh, add a DELTA Pro 3 battery using an XT150 cable + Smart Generator Adapter (firmware v1.2+ required). User manuals and app guides are available on EcoFlow’s site; quick-start videos show full integration in under 2 minutes. Note: Only one direct extra battery per DELTA 3 Plus; daisy-chaining requires adapters.

Pros and Cons (Based on Reviews)

Pros: Ultra-compact and quiet for indoor/outdoor use; exceptional lifespan beats competitors like Jackery; seamless app integration for easy management. Reddit users note it exceeds capacity tests, powering setups silently for days.
Cons: Limited to one direct connection pricier per Wh than buying a second main unit on sale. Some early adopters report shipping delays, now resolved.