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Zendure

Zendure SuperBase V6400

AC delivered · est.
5,472 Wh. Show sourceestimated sourceus.zendure.com2026-07-04
output
3,800 W. Show sourceclaimed sourceus.zendure.com
surge
5,000 W. Show sourceclaimed sourceus.zendure.com
recharge
120 min. Show sourceclaimed sourceus.zendure.com
Zendure SuperBase V6400 — front view
BatteryRank score
46/ 100

Limited

#5 of 5

in the Whole-home / mega class · small class (n=5)

data 13/17est.

Lifted by Capacity & expansion; held back by output & versatility.

POWER52
TRUST35
CHARGING43
LIVABILITYN/A
Where to buy

Check current availability and pricing at the retailer.

Check price on AmazonSee alternatives to the Zendure SuperBase V6400

At a glance

Zendure SuperBase V6400 is a whole-home / mega model best suited to cpap traveler. It supplies 3,800 W of continuous AC output. BatteryRank scores it 46 out of 100 within its size class.

02 · rated vs AC delivered

Capacity truth

The watt-hour number on the box isn't what reaches your devices. Rated on the label vs what actually leaves an outlet.

Rated (on the box)
6,438 Wh. Show sourceclaimed sourceus.zendure.com2026-07-04

The marketing number — total cell capacity.

AC delivered (est.)
5,472 Wh. Show sourceestimated sourceestimate = battery-side usable capacity × 85% inverter efficiency

What reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.

device-first estimates

What it can run

Same sourced device assumptions used by our calculators, applied to this model's usable AC energy. Actual runtime varies with load, temperature, and standby draw.

Estimated device runtime from this station's usable AC energy
DeviceEstimated runtimeSourced assumption
CPAP (humidifier off)about 76.0 nights9 W ·
CPAP (heated humidifier on)about 12.2 nights56 W ·
Refrigerator (full-size)about 87 hours180 W × 35% duty cycle ·
Wi-Fi router + modemabout 304 hours18 W ·
Laptop (65W charger)about 168 hours65 W × 50% duty cycle ·
Phone (one full charge)about 273 full charges20 W ·
Estimates assume one device at a time and exclude standby variation. Calculate your runtime with this station →
03 · matched to typed specs

Who it fits

Mechanical matches against this model's own sourced specs — never invented sentiment, never a guess on a spec we don't have.

CPAP traveler

5472 Wh AC-delivered (est.) → multiple CPAP nights per charge

Home backup

3800 W inverter, 5472 Wh AC-delivered (est.) → runs a fridge through an outage

RV & van life

6438 Wh, expandable → long off-grid stays

See alternatives to the Zendure SuperBase V6400Calculate your runtime with this station →
04 · published formula

How it scores

Four buyer pillars over seven sub-scores — computed from sourced data with a published formula, price-independent by design.

Power

est.
52

Battery-side usable capacity and how much you can run at once.

Capacity & expansionest.
76

Usable watt-hours and how far you can grow it with add-on batteries, versus its size class.

Output & versatility70% data
27

Continuous and surge wattage, outlet count, and USB-C fast-charging.

Trust

42% data
35

Owner reputation, safety record, warranty, and build durability.

Trust & reliability34% data
N/A

Owner ratings, brand reputation, recall record, and warranty backing.

Durability & longevity80% data
35

Rated cycle life, warranty length, cell chemistry, and weather sealing.

Charging

43

Wall and solar recharge speed.

Charging & solar95% data
43

Wall recharge speed, solar input, and multi-source charging.

Livability

N/A

Lightweight, portable, and quiet enough to live with.

Portability
N/A

Weight, footprint, handle, and wheels, versus its size class.

Quiet / livability
N/A

Fan noise under load — quieter is better for bedrooms and CPAP use.

How this score is computed

The BatteryRank score is computed from sourced data with a published formula — ranked by data, not lab testing. Seven sub-scores blend into a 0–100 composite, grouped into four buyer pillars. Price is deliberately not a scoring input: prices move daily, so value intelligence lives in the price section above, judged against this model's own history.

PillarBuilt from
PowerCapacity & expansion + Output & versatility
TrustTrust & reliability + Durability & longevity
ChargingCharging & solar
LivabilityPortability + Quiet / livability

Scores are cohort-relative — each model is ranked against others in its size class. Missing inputs renormalize out rather than scoring zero (a model is never penalized for a spec nobody in its class publishes), and any figure resting on a documented estimate is tagged est. A full methodology page is coming.

05 · sourced, never guessed

Full specifications

Manufacturer-claimed unless marked verified (FCC/UL/DOE/lab). Tap or focus a figure to view its source.

Capacity & battery
Rated cycle life
3,000 cycles. Show sourceclaimed sourceus.zendure.com

How many full charge-and-drain cycles before the battery drops to its rated threshold (shown alongside — brands rate to different thresholds, so never compare bare cycle counts).

Battery chemistry
Semi-solid-state. Show sourceclaimed sourceus.zendure.com

The type of battery cell. LiFePO4 (LFP) cells last far more cycles and are more thermally stable than older lithium-ion (NMC) cells.

Max capacity with expansion
64,000 Wh. Show sourceclaimed sourceus.zendure.com

The largest total capacity this unit can reach once you add every supported expansion battery.

Rated capacity
6,438 Wh. Show sourceclaimed sourceus.zendure.com

The battery's nameplate energy capacity — the headline number on the box. Battery-side usable and AC-delivered capacity are shown separately.

Cycle-life threshold
80 %. Show sourceclaimed sourceus.zendure.com

The remaining-capacity level the cycle rating is measured to. 3,000 cycles to 80% is a stronger battery than 3,000 cycles to 70% — always read the two numbers together.

Power output
Continuous power output
3,800 W. Show sourceclaimed sourceus.zendure.com

The most power you can draw at once, sustained — this has to be higher than the running wattage of whatever you're plugging in.

Surge power output
5,000 W. Show sourceclaimed sourceus.zendure.com

A brief power spike the unit can absorb when a device first switches on — matters for things with motors or compressors, like fridges.

Charging & solar
AC recharge speed
3,600 W. Show sourceclaimed sourceus.zendure.com

How fast the unit recharges from a wall outlet — higher means shorter waits between uses.

AC charge time (0–100%)
120 min. Show sourceclaimed sourceus.zendure.com

How long a full recharge takes from a wall outlet, start to finish.

Max solar input
3,000 W. Show sourceclaimed sourceus.zendure.com

The most solar panel wattage the unit can accept — undersized panels just mean slower charging, not damage, but oversizing this is wasted money.

Reliability & durability
UPS switchover time
0 ms. Show sourceclaimed sourceus.zendure.com

How fast the unit takes over when grid power cuts out. Under ~20ms is fast enough that most electronics — including many CPAP machines — won't even blip.

06 · outlet & owner reports

What reviewers & owners report

Named outlets and marketplaces, each rating credited where it was published.

Trustpilot · brand3.1

Brand reputation: Whole-home flagship; semi-solid-state chemistry is a rare differentiator (energy density >228Wh/kg). 240V split-phase, 0ms UPS (US), 64kWh expansion. Trustpilot 3.1/813 mixed. Distinctive niche - low SERP competition.

07 · Alternatives

What else to consider instead of the Zendure SuperBase V6400

Same or adjacent size class, ordered by the price-independent composite. Every alternative is better than the Zendure SuperBase V6400 at something and worse at something else, so each row states both halves — each one arithmetic on two sourced readings, with a dimension skipped rather than guessed when either side is missing a figure.

07 · sourced answers

Quick answers

Each answer restates a sourced figure from elsewhere on this page — nothing new, nothing guessed.

How much capacity does the Zendure SuperBase V6400 deliver through an AC outlet?
About 5,472 Wh of the rated 6,438 Wh reaches an AC outlet from a full charge — an estimate after our published 15% inverter-loss constant (marked est. on this page).
How long does the Zendure SuperBase V6400 take to charge?
2 h from a wall outlet, 0 to 100%, manufacturer-claimed. Fast-charge modes and solar input differ — see the charging specs on this page.
How many watts can the Zendure SuperBase V6400 output?
3,800 W continuous AC output and 5,000 W surge output, manufacturer-claimed. Appliance startup demand must stay within the relevant limit.
How much solar input can the Zendure SuperBase V6400 accept?
3,000 W maximum solar input, manufacturer-claimed. Actual harvest depends on panel compatibility, sun, orientation, temperature, and conversion losses.
What is the cycle-life rating of the Zendure SuperBase V6400?
3,000 cycles to 80% remaining capacity, manufacturer-claimed. A cycle rating is not a calendar-life guarantee.
Can the Zendure SuperBase V6400 work as a UPS?
Its manufacturer-claimed transfer time is 0 ms. Confirm that your connected equipment tolerates that transfer time; this is not the same as a zero-transfer online UPS.
How far can the Zendure SuperBase V6400 expand?
Up to 64,000 Wh with compatible expansion hardware, manufacturer-claimed. The base-unit capacity and expansion-system capacity are shown separately.

Keep exploring

Specs OEM-sourced, latest · tap or focus a figure to view its source

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