Engineering report · reviewed against NEC 2026 & BS 7671:2018+A2
Engineering Breakdown: Running a Chevy Equinox EV (Level 1 120V / 12A Cord) on the Jackery Explorer 1000 v2
When pairing the Jackery Explorer 1000 v2 (1,070 Wh LiFePO4 capacity, 1,500 W continuous, 3,000 W surge) with a Chevy Equinox EV (Level 1 120V / 12A Cord) (1,440 W running, 1,440 W starting surge), the system operates at 96% of continuous inverter capacity on a 120 V North American circuit and 184% on a 230 V UK/EU/AU circuit. At a 100% duty cycle and 85% inverter efficiency, a full battery delivers roughly 38 min of off-grid runtime. Wiring the connection over a 25 ft run calls for a 15 A breaker and 14 AWG copper, terminated at a NEMA 5-15P connection.
1. Compatibility Verdict & Inverter Load Utilization
In North American mode the Chevy Equinox EV (Level 1 120V / 12A Cord) loads the Jackery Explorer 1000 v2's inverter to 96% of its 1,500 W continuous rating and 48% of its 3,000 W surge rating. The pairing works, but running above 80% for hours raises internal temperatures and fan noise, and leaves little room for other loads. Treat it as a dedicated circuit.
| Check | Load requires | Jackery Explorer 1000 v2 provides | US/NA | UK/EU/AU |
|---|---|---|---|---|
| Continuous output | 1,440 W (2,760 W @ 230V) | 1,500 W | Pass | Fail |
| Start-up surge | 1,440 W | 3,000 W | Pass | Pass |
| Voltage | 120 V / 230 V | 120 V / 230 V | Pass | Pass |
| Connection | NEMA 5-15P | NEMA 5-15R | UK/EU/AU: Type 2 EVSE · IEC 60309 16A Commando | |
An EVSE is a constant-current device: the vehicle draws exactly the current advertised by the J1772/NACS pilot signal, so the 1,440 W figure is both the running load and the start-up load — there is no motor inrush. That makes the calculation unusually clean. If you want to stay under the 80% sustained-load guideline, set the charge current in the vehicle app to 10 A or less, which keeps the Jackery Explorer 1000 v2 at roughly 1,200 W. A full battery delivers about 0.8 kWh into the pack after inverter and on-board charger losses, worth roughly 3 miles (5 km) of driving at 3.5 mi/kWh.
As a portable power station, the Jackery Explorer 1000 v2 integrates the LiFePO4 battery, inverter, MPPT solar controller and AC outlets in one chassis, so it can be wheeled to the load or connected to a transfer switch through its NEMA 5-15R outlet.
2. Real-World Runtime by Duty Cycle
Nameplate capacity is not usable capacity. DC-to-AC conversion, battery management overhead and cell protection reduce the 1,070 Wh rating to about 910 Wh of deliverable AC energy (85% system efficiency). EV charging runs at a fixed current, so the 100% row is the realistic figure; lower rows apply only if you schedule charging in intervals.
| Duty cycle | Average draw | Runtime (no solar) | Energy per 24 h |
|---|---|---|---|
| 25% | 360 W | 2.5 hrs | 8.6 kWh |
| 50% | 720 W | 1.3 hrs | 17.3 kWh |
| 65% | 936 W | 58 min | 22.5 kWh |
| 100% | 1,440 W | 38 min | 34.6 kWh |
Even at a 50% duty cycle the battery lasts 1.3 hrs, so plan on solar, grid or generator recharging for anything longer than an evening outage.
3. NEC 125% Breaker & Copper Wire Gauge Sizing
NEC 210.19(A) and 210.20(A) require conductors and overcurrent devices for continuous loads — anything running three hours or more, which includes EV charging and HVAC — to be rated at 125% of the load current. For this pairing: 1,440 W ÷ 120 V = 12.0 A, × 1.25 = 15.0 A, which rounds up to the next standard NEC 240.6 size of 15 A. The conductor must be protected by that breaker (75 °C ampacity at least 15 A) and keep round-trip voltage drop at or below 3%, so longer runs are upsized.
Voltage drop % = (2 × L × I × R) ÷ V × 100
North America (NEC, THHN copper, 75 °C)
| One-way distance | Breaker | Min. copper | Voltage drop | Note |
|---|---|---|---|---|
| 25 ft (7.6 m) | 15 A | 14 AWG | 1.53% | Sized by ampacity |
| 50 ft (15.2 m) | 15 A | 12 AWG | 1.93% | Upsized for voltage drop |
| 75 ft (22.9 m) | 15 A | 12 AWG | 2.89% | Upsized for voltage drop |
| 100 ft (30.5 m) | 15 A | 10 AWG | 2.42% | Upsized for voltage drop |
UK / EU / Australia (IEC 60364 / BS 7671, PVC copper, method C)
IEC-based codes size protection by design current rather than a blanket 125% multiplier: Ib ≤ In ≤ Iz. At 230 V the load draws 12.0 A (the EVSE's 12 A pilot current at 230 V), so a 13 A Type B/C MCB with RCD protection applies. In the UK, BS 7671 Section 722 additionally requires a dedicated circuit and Type A or Type B RCD for EV charge points.
| One-way distance | MCB | Min. cable | Voltage drop |
|---|---|---|---|
| 7.5 m (25 ft) | 13 A | 1.5 mm² | 0.95% |
| 15 m (49 ft) | 13 A | 1.5 mm² | 1.89% |
| 22.5 m (74 ft) | 13 A | 1.5 mm² | 2.84% |
| 30 m (98 ft) | 13 A | 2.5 mm² | 2.32% |
Moving the Jackery Explorer 1000 v2 from 25 ft to 100 ft away forces the conductor up from 14 AWG to 10 AWG — park the unit as close to the load as ventilation and weather protection allow.
4. Solar Array Recharge Time Breakdown
The Jackery Explorer 1000 v2 accepts up to 400 W of photovoltaic input. Real arrays rarely deliver nameplate output, so we apply an 80% harvest factor for MPPT conversion, cell temperature and soiling, and convert hours to days using 4.5 peak-sun-hours — a conservative annual average for the US, southern Europe and Australia (UK winters can fall below 1.5).
| PV array | Real harvest | 0–100% recharge | Sun-days @ 4.5 PSH | Net with load @ 50% |
|---|---|---|---|---|
| 400 W | 320 W | 3.3 hrs | 0.7 | −400 W |
A typical 400 W portable array refills the battery in about 3.3 hrs of strong sun, while maxing out the 400 W input cuts that to 3.3 hrs. To fully offset the Chevy Equinox EV (Level 1 120V / 12A Cord) at a 50% duty cycle (720 W average) during daylight you need roughly 900 W of panels, which exceeds this unit's 400 W input limit — solar can slow the drain but not eliminate it.
5. Frequently Asked Questions
Can the Jackery Explorer 1000 v2 run a Chevy Equinox EV (Level 1 120V / 12A Cord)?
Yes. The Jackery Explorer 1000 v2 delivers 1,500 W continuous and 3,000 W surge, covering the Chevy Equinox EV (Level 1 120V / 12A Cord)'s 1,440 W running and 1,440 W start-up draw at 96% inverter utilization, which is above the 80% guideline, so dedicate the unit to this load.
How many miles of range can the Jackery Explorer 1000 v2 add to a Chevy Equinox EV?
A full 1,070 Wh charge delivers about 0.8 kWh to the vehicle battery after inverter (85%) and on-board charger (90%) losses — roughly 3 miles at 3.5 mi/kWh. At the full 1,440 W charge rate that takes 38 min.
What breaker and wire size do I need to connect a Chevy Equinox EV (Level 1 120V / 12A Cord) to the Jackery Explorer 1000 v2?
In the US, 1,440 W at 120 V is 12.0 A; applying the NEC 125% continuous-load rule gives 15.0 A, so use a 15 A breaker and 14 AWG copper for runs up to 25 ft (1.5% voltage drop). In 230 V markets the load draws 12.0 A, protected by a 13 A MCB on 1.5 mm² cable for runs up to 7.5 m. Receptacle: NEMA 5-15P (US) or Type 2 EVSE · IEC 60309 16A Commando (UK/EU/AU).
How long does it take to recharge the Jackery Explorer 1000 v2 with solar panels?
With an 400 W array and an 80% real-world harvest factor, a full recharge takes about 3.3 hrs of peak sun (0.7 days at 4.5 peak-sun-hours). At its maximum 400 W solar input it drops to 3.3 hrs.
Methodology & safety note
Specifications come from manufacturer datasheets in our open dataset; ampacity and resistance values follow NEC Table 310.16 and Chapter 9 Table 8, and BS 7671 Appendix 4. Calculations assume copper conductors, 30 °C ambient and no bundling derating. Inverter-to-panel connections require a listed transfer switch or interlock to prevent back-feeding the grid. These results are an engineering estimate, not a substitute for a licensed electrician and local permit. See our methodology and safety disclaimer.