How Much Battery Capacity Gets You Through an Outage
Resilience and safety · PROBLEM-FIRST
A portable power station stores electricity in a rechargeable battery and releases it through an inverter, so it produces no exhaust and no fuel is burned, which is why it can run safely indoors or on a covered porch. A gas generator burns fuel continuously and can produce far more power for far longer, but it must run outdoors, away from windows and doors, because of carbon monoxide risk, and it needs a fuel supply on hand. A power station fits lights, a fridge, a sump pump, phone charging, and a home router through an outage measured in hours; a generator fits a whole-house or multi-day need. Sizing a power station correctly means adding up the wattage of what actually needs to keep running, a fridge typically cycles rather than drawing power constantly, a sump pump draws more only when it runs, phone chargers and a router draw very little, against the unit's rated AC output, then checking the stored capacity against how many hours those loads need to run. None of the three units compared here are sized to run a central air conditioner or an electric water heater. This section explains that sizing question before naming any product.
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EcoFlow River 2 Max
price: not in record Price and availability change, so check the current listing on Amazon.ca.
- Battery Capacity: 512Wh, confirmed by direct fetch of the amazon.ca listing title checked 2026-08-14
- Ac Output: 500W rated, 1000W surge, confirmed by direct fetch of the manufacturer's own site checked 2026-08-14
- Recharge And Cycle Life: 1 hour fast charging from 0 to 100 percent; rated for 3,000 cycles to 80 percent or higher capacity, confirmed by direct fetch, the smallest and lightest of the three compared here checked 2026-08-14
Specs sourced from Amazon.ca listing, EcoFlow RIVER 2 Max product page.
ASIN B0B97H2XHSJackery Explorer 1000 v2
price: not in record Price and availability change, so check the current listing on Amazon.ca.
- Battery Capacity: 1070Wh, per Jackery's Explorer 1000 v2 product page checked 2026-10-23
- Ac Output: 1500W rated, 3000W surge peak, per Jackery's Explorer 1000 v2 product page checked 2026-10-23
- Recharge And Warranty: Emergency Super Charging from 0 to 100 percent in 1 hour; 3-year warranty plus a 2-year extension when purchased from Jackery's official website checked 2026-10-23
Specs sourced from listing 1, Jackery Canada product page.
ASIN B0GQ9PPKGXAnker SOLIX C1000
price: not in record Price and availability change, so check the current listing on Amazon.ca.
- Battery Capacity And Output: 1056Wh capacity, 1800W continuous output, and 2400W AC surge output, per Anker SOLIX's C1000 product page checked 2026-10-23
- Recharge: Full charge in under an hour with UltraFast Charge Mode; the product page reports 80 percent in 43 minutes checked 2026-10-23
- Naming Note: The same 1056Wh/1800W unit is listed as C1000X at two Canadian retailers and as C1000, no X, on this amazon.ca listing and on the manufacturer's own page, named rather than silently resolved checked 2026-08-14
Specs sourced from the Anker Store's Amazon.ca listing and Anker SOLIX's C1000 product page.
ASIN B0C5C89QKZEach product card names its sources and check date; verify the linked listing before purchase because product details can change.
Who this isn't for
This is not for a whole-house or multi-day power need; none of the three units compared here are sized to run high-draw appliances like a central air conditioner or an electric water heater, and that job needs a gas generator instead, run outdoors and away from windows and doors because of carbon monoxide risk. It is also not for anyone who has not first added up their real loads; picking a unit by price or brand alone, without checking stored Wh capacity against what actually needs to run and for how long, risks a unit that runs out well before the power comes back.
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