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Yoshino B4000 SST 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.
Capacity2611 Wh
AC output4,000 W
Surge6,000 W
ChemistrySolid-State Li-NCM
ConfidenceVerified
Source regionglobal/general
Checked2026-08-20
Swipe table sideways
| Battery capacity | 2611 Wh |
|---|---|
| Battery chemistry | Solid-State Li-NCM |
| AC output | 4,000 W |
| Surge output | 6,000 W |
| DC output | 126 W |
| USB-C output | 100 W |
| Solar input | 600 W |
| Weight | 24.3 kg |
| Confidence | Verified |
| Lifecycle status | Unknown |
| Source region | global/general |
| Last verified | 2026-08-20 |
The generic DC field follows the manual's formal 12V output table: 126W total. Yoshino's current product FAQ separately mentions a 48V 3600W CVOUT adapter; that voltage-specific path is not treated as a universal DC ceiling. Solid-State Li-NCM is Yoshino's manufacturer label, not an independent chemistry verification.
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% | 12h 6m | Estimated | Use calculator |
| CPAP without heated humidifier | 40 W at 100% | 2d 1h | Estimated | Use calculator |
| Starlink Mini | 32 W at 100% | 2d 18h | Estimated | Use calculator |
| Wi-Fi router | 12 W at 100% | 7d 4h | Estimated | Use calculator |
| LED TV | 100 W at 100% | 19h 58m | Estimated | Use calculator |
Calculator for this station
Adjust watts, duty cycle, reserve, output path, and startup surge with Yoshino B4000 SST prefilled from the source-linked specs above.
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Power station model
Battery capacity (Wh): 2611 WhContinuous output rating (W): 4000 WSurge output rating (W): 6000 W
Estimated runtime1d 9h20h 50m – 1d 17hEstimated runtime: 1d 9h, 20h 50m – 1d 17h
Output path
Estimated runtime
1d 9hEstimated runtime: 1d 9hThis setup has comfortable headroom for overnight use, assuming the wattage estimate is realistic.
Conservative20h 50m
Estimated1d 9h
Optimistic1d 17h
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
- 2611 Wh
- Usable energy
- 1997 Wh
- 2611 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
- 1d 9h
- 1997 Wh / 60 W = 1d 9h
- 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
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WattRunTime.com
WattRunTime estimate
Estimated runtime
1d 9hThis setup has comfortable headroom for overnight use, assuming the wattage estimate is realistic.Usable energy1997 Wh
Average load60 W
Fixed station overheadUnknown (not included)
Running watts60 W
Max surgen/a
Runtime range
Conservative20h 50m
Estimated1d 9h
Optimistic1d 17h
Show your work
Rated Wh is reduced by efficiency, reserve, battery health, and temperature before it is divided by average load.
Usable energy1997 Wh2611 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 runtime1d 9h1997 Wh / 60 W = 1d 9h
Assumptions
- 2611 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 in a larger outage/RV class, so the useful question is usually output limits, recharge speed, and weight rather than watt-hours alone.
- Tracked AC output is high enough for many household plug-in loads, but surge still needs a separate check.
- USB-C output is tracked at laptop-class power, useful for direct DC charging when the device supports it.
- Tracked solar input is 600 W before panel, weather, angle, and controller losses.
Watch out for
- Surge output is tracked, but device startup behavior should still be checked against the actual load.
Related Yoshino Records
Nearby source-linked models from the same brand help you compare capacity, output, and unknown fields without leaving the data set.
Sources
- Yoshino B4000 SST product page (official; checked 2026-08-20)
- Yoshino B4000 SST user manual (official; checked 2026-08-20)