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Jackery 900 (Japan) Runtime Calculator
Use this source-linked record to estimate runtime from tracked capacity, output, charging, and weight fields. Unknown specs stay unknown until an official or manufacturer-grade source confirms them.
Quick answer: the Jackery 900 (Japan) stores 960 Wh and delivers up to 1,500 W of continuous AC power. Under this site's planning assumptions (85% inverter efficiency, 10% reserve), a steady 100 W AC load runs for roughly 7.3 hours. Last source check: 2026-08-27. This is an estimate, not a guarantee.
Capacity960 Wh
AC output1,500 W
Surgeunknown
Chemistryunknown
ConfidenceEstimated
Source regionglobal/general
Checked2026-08-27
Swipe table sideways
| Battery capacity | 960 Wh |
|---|---|
| Battery chemistry | unknown |
| AC output | 1,500 W |
| Surge output | unknown |
| DC output | unknown |
| USB-C output | unknown |
| Solar input | unknown |
| Weight | 10.8 kg |
| Confidence | Estimated |
| Lifecycle status | Unknown |
| Source region | global/general |
| Last verified | 2026-08-27 |
This is a Japan-market channel-exclusive model with a 100V configuration and no equivalent in the catalogued US lineup. Chemistry, surge, USB-C, DC and solar ceilings stay unknown because the page publishes none.
Runtime Starting Points
These are formula estimates using the tracked capacity, a 10% reserve, and each scenario's default wattage and duty cycle. They are planning starters, not measured runtimes.
Swipe table sideways
| Scenario | Default load | Estimate | Scenario confidence | Station page |
|---|---|---|---|---|
| Full-size refrigerator | 500 W at 33% | 4h 27m | Estimated | Use calculator |
| CPAP without heated humidifier | 40 W at 100% | 18h 22m | Estimated | Use calculator |
| Starlink Mini | 32 W at 100% | 1d 0h | Estimated | Use calculator |
| Wi-Fi router | 12 W at 100% | 2d 15h | Estimated | Use calculator |
| LED TV | 100 W at 100% | 7h 21m | Estimated | Use calculator |
Calculator for this station
Adjust watts, duty cycle, reserve, output path, and startup surge with Jackery 900 (Japan) prefilled from the source-linked specs above.
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Power station model
Battery capacity (Wh): 960 WhContinuous output rating (W): 1500 WSurge output rating (W): n/a
Estimated runtime12h 14m7h 40m – 15h 12mEstimated runtime: 12h 14m, 7h 40m – 15h 12m
Output path
Estimated runtime
12h 14mEstimated runtime: 12h 14mThis setup has comfortable headroom for overnight use, assuming the wattage estimate is realistic.
Conservative7h 40m
Estimated12h 14m
Optimistic15h 12m
Conservative assumes harder conditions; optimistic assumes favorable conditions.
- This is an estimate. Real runtime changes with load, temperature, battery age, AC/DC output, and device behavior.
Show your work
Rated Wh is reduced by efficiency, reserve, battery health, and temperature before it is divided by average load.
- Rated battery
- 960 Wh
- Usable energy
- 734 Wh
- 960 Wh x 85% x 90% x 100% x 100%
- Running watts
- 60 W
- Average load
- 60 W
- Max surge
- n/a
- Fixed station overhead
- Unknown (not included)
- 60 W / 85% = 70.6 W battery draw; fixed overhead is unknown and excluded
- Estimated runtime
- 12h 14m
- 734 Wh / 60 W = 12h 14m
- Output path
- AC inverter
- Efficiency (%)
- 85
- Reserve kept unused (%)
- 10
- Battery health (%)
- 100
- Cold weather loss (%)
- 0
This link contains the numeric values you entered, but not custom load names.
Source-Backed Next Steps
Smallest matching record (8h)Jackery Explorer 600 Plus
WattRunTime.com
WattRunTime estimate
Estimated runtime
12h 14mThis setup has comfortable headroom for overnight use, assuming the wattage estimate is realistic.Usable energy734 Wh
Average load60 W
Fixed station overheadUnknown (not included)
Running watts60 W
Max surgen/a
Runtime range
Conservative7h 40m
Estimated12h 14m
Optimistic15h 12m
Show your work
Rated Wh is reduced by efficiency, reserve, battery health, and temperature before it is divided by average load.
Usable energy734 Wh960 Wh x 85% x 90% x 100% x 100%
Fixed station overheadUnknown (not included)60 W / 85% = 70.6 W battery draw; fixed overhead is unknown and excluded
Estimated runtime12h 14m734 Wh / 60 W = 12h 14m
Assumptions
- 960 Wh nominal battery capacity
- AC inverter output path
- 85% conversion efficiency
- 10% reserve kept unused
- 60 W average load from 1 load
- 100% battery health
- 0% temperature loss
- Fixed station overhead unknown; not included
Warnings
- This is an estimate. Real runtime changes with load, temperature, battery age, AC/DC output, and device behavior.
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Good fit when
- Capacity is best suited to lighter essentials such as routers, laptops, CPAP planning, lights, and smaller camping loads.
- Tracked AC output is 1,500 W, so high-draw appliances and tools need careful filtering.
Watch out for
- Surge output is unknown, so do not assume compressor, pump, or power-tool startup will work.
- Still unknown in the source-backed record: battery chemistry, surge output, dc output, usb-c output, solar input.
- Confidence is not marked verified; keep the linked source context visible before making a purchase or emergency plan.
Related Jackery Records
Nearby source-linked models from the same brand help you compare capacity, output, and unknown fields without leaving the data set.
Explorer 1000 Pro
1,002 Wh, 1,000 W AC output, confidence: Verified.
FridgeGuard
1,024 Wh, 800 W AC output, confidence: Estimated.
HomePower 1000 v2
1,024 Wh, 1,500 W AC output, confidence: Estimated.
Sources
- Jackery 900 official Japanese product page (official; checked 2026-08-27)