2026 original research

Power Station Warranty & Cycle-Life Index

We separated two claims that are often confused: how long the manufacturer warrants the product, and how many battery cycles it publishes before a stated remaining-capacity threshold.

Longest listed warranty

OUPES Mega 2

5 + 1 years maximum listed product coverage in this 16-model sample.

Highest cycle claim

Mango Power Power E

6,000 cycles to 70% remaining-capacity threshold as published.

Warranty concentration

16 of 16 models

List maximum product warranty coverage of at least five years, subject to each manufacturer’s terms and any extension requirements.

Reusable research graphic

Maximum listed warranty years by tracked brand

The graphic is designed for editorial reuse with attribution embedded. Extension requirements are marked separately.

Source-linked index

Warranty years and battery-cycle claims are not the same thing

A cycle-life claim describes battery-capacity retention under a defined cycle count. A warranty is a legal/contractual coverage period with separate conditions and exclusions.

ModelWarrantyExtension notePublished cyclesThreshold1 full cycle/day3 cycles/week
EcoFlow RIVER 3 Plus5 years3,00080%8.2 yr19.2 yr
Jackery Explorer 600 Plus3 + 2 yearsExtended coverage applies under Jackery warranty terms; official-site purchases receive the extension automatically.4,00070%11.0 yr25.6 yr
BLUETTI Elite 100 V260 months4,00080%11.0 yr25.6 yr
EcoFlow DELTA 3 Plus5 years4,00080%11.0 yr25.6 yr
Anker SOLIX C100060 months3,00080%8.2 yr19.2 yr
Jackery Explorer 1000 v23 + 2 yearsStandard warranty is 3 years; Jackery lists an additional 2-year extension for a maximum total of 5 years.4,00070%11.0 yr25.6 yr
BLUETTI AC18060 months3,50080%9.6 yr22.4 yr
VTOMAN FlashSpeed 15005 years3,00080%8.2 yr19.2 yr
OUPES Mega 25 + 1 yearsOUPES lists a 5-year basic warranty plus a free 1-year extension after warranty registration.3,50080%9.6 yr22.4 yr
EcoFlow DELTA 2 Max5 years3,00080%8.2 yr19.2 yr
BLUETTI AC200L60 months3,00080%8.2 yr19.2 yr
Jackery Explorer 2000 Plus3 + 2 yearsJackery lists 3 years standard coverage plus a 2-year extension for a maximum total of 5 years.4,00070%11.0 yr25.6 yr
Dabbsson DBS2300 Plus3 + 2 yearsDabbsson lists 36 months plus 24 months after warranty-extension registration.4,50080%12.3 yr28.8 yr
Mango Power Power E5 years6,00070%16.4 yr38.5 yr
Anker SOLIX F380060 months3,00080%8.2 yr19.2 yr
EcoFlow DELTA Pro 35 years4,00080%11.0 yr25.6 yr
Methodology

How to read cycle life correctly

We use the manufacturer’s published product warranty period and published battery-cycle claim available on September 13, 2026. Where a brand describes coverage as “3+2” or “5+1,” we show the maximum listed period and separately note the extension condition.

The “1 full cycle/day” and “3 cycles/week” columns are pure arithmetic: published cycles divided by annual cycle frequency. They are not forecasts of actual calendar life. Batteries also age with time, temperature, storage state of charge, depth of discharge, charge rate and other operating conditions.

A claim such as 4,000 cycles to 80% means the manufacturer is describing a capacity-retention milestone, not saying the battery abruptly stops working at cycle 4,001.

Warranty ≠ lifespan

A five-year warranty does not imply a five-year battery life, and a 4,000-cycle claim does not imply 4,000 cycles are covered by warranty. Read the manufacturer’s actual warranty terms for exclusions, proof-of-purchase rules, registration requirements and remedies.

Why this matters when buying

For frequent cycling, cycle-life claims can materially affect expected long-term capacity. For emergency-only systems, calendar aging, storage practices and warranty coverage may matter more than theoretical cycle count.

Citation & reuse

Publishers may cite this index with attribution to Backup Power Verdicts and a link to this page. The CSV and SVG are provided for reporting and independent analysis.