Extra 2048Wh battery for the DELTA 2 Max — you can add up to 2 to reach 6144Wh total.
Our own read for home backup during a power outage, comparable across units in the catalog. Not Amazon buyers' rating. How we score →
Triples the DELTA 2 Max's capacity, but with a shorter warranty than the station.
Best use case
Anyone who already has a DELTA 2 Max and wants more runtime without buying a new station.
It's the way to grow a DELTA 2 Max without replacing it: each extra battery adds 2048 Wh, and you can add up to 2 to reach 6144 Wh total — triple the original capacity.
Watch the warranty: only 1 year, much shorter than the 5 years on the main unit — worth keeping in mind before investing in several.
Ideal for: Anyone who already has a DELTA 2 Max and wants more runtime without buying a new station.
Mandatory check with your shipping agency. PowerLight doesn't recommend shipping methods or determine whether a product can be accepted or shipped. Before buying, ask your shipping agency to confirm in writing that they accept the exact model, along with requirements, cost, and timeline.
LiTime12V 100Ah LiFePO4 battery with a built-in BMS and included charger, the entry-level option most cited in DIY-solar forums for building your own backup instead of buying an integrated power station.
BLUETTIExtra 2764.8Wh battery for BLUETTI's Apex 300, with 6000+ cycle life.
EcoFlowExtra 1024Wh battery for the DELTA 3 series (DELTA 3, DELTA 3 Plus) and DELTA 2 — NOT compatible with the DELTA 3 Classic. Same 5-year warranty as the station.
EcoFlow Extra Battery DELTA 2 Max 2048Wh