Anker SOLIX C1000 Gen 2 vs EcoFlow DELTA 3 Plus 2026

The Anker SOLIX C1000 Gen 2 scores 1.46 Wh per dollar against 1.42 for the EcoFlow DELTA 3 Plus, and it refills from 0 to 100% in 49 minutes against 56. Both units hold 1,024 Wh, so the benchmark gap comes down to price: $699.99 for the Anker against $719 for the EcoFlow, a difference of $19.01.

For remote workers who top up between drives, the Anker’s faster refill and lower weight (24.9 lb against 27.6 lb) matter most. For van-lifers and remote workers who need fast recharging from panels, the EcoFlow’s 1,000 W solar ceiling against the Anker’s 600 W is the larger spec. The EcoFlow is also pre-order only, shipping late November.

Spec comparison

Spec	Anker SOLIX C1000 Gen 2	EcoFlow DELTA 3 Plus
Capacity	1,024 Wh	1,024 Wh
Price on review date	$699.99	$719 sale ($799 list)
Chemistry	Not listed on the page read	LiFePO4
Rated cycles	4,000 to at least 80% capacity	4,000 to 80% capacity
Continuous AC output	2,000 W (3,000 W surge)	1,800 W (3,600 W surge)
Max solar input	600 W	1,000 W
AC recharge	0-100% in 49 min at 1,600 W (UltraFast mode in app)	0-100% in 56 min at 1,500 W
Weight	24.9 lb	27.6 lb
Warranty	Not listed on the page read	5 years
Stock on review date	Listed for sale	Pre-order, ships late November
Runtime at a steady 100 W (85% inverter efficiency)	About 8.7 hours	About 8.7 hours
Price per kWh over rated 4,000 cycles	$0.17	$0.18
Capacity per dollar	1.46 Wh per $ (10.0/10)	1.42 Wh per $ (9.7/10)

The benchmark divides rated capacity by price. For the Anker, 1,024 Wh / $699.99 = 1.46 Wh per $. The EcoFlow’s 1.42 matches its $719 sale price (1,024 / 719). At the $799 list price the same math gives 1.28 Wh per $, so the EcoFlow’s value depends on the $80 offer.

Three rows matter most for these buyers. AC recharge time decides how quickly a short stop becomes usable power. Max solar input sets the ceiling for off-grid days. Continuous output decides which appliances run at all: 2,000 W on the Anker against 1,800 W on the EcoFlow. Runtime at 100 W is identical, so it does not separate them.

Total cost of ownership (1-3 years)

The purchase price is the main cost, and the two are close. The Anker costs $699.99, or about $233.33 per year over three years (699.99 / 3). The EcoFlow costs $719 on the current offer, or about $239.67 per year (719 / 3). If the offer lapses and the price returns to $799, the three-year figure rises to about $266.33 per year.

The pre-computed lifetime figures point the same way. Over 4,000 rated cycles, the Anker costs $0.17 per kWh and the EcoFlow $0.18 per kWh. Those figures ignore degradation. The EcoFlow’s $0.18 tracks the $719 sale price. At $799 the same arithmetic gives about $0.20 per kWh.

A replacement cycle is unlikely inside three years. One full cycle per day is about 1,095 cycles over three years, well under the 4,000-cycle rating for both units. Rated cycles are measured to 80% capacity, so some capacity loss is expected as cycles accumulate.

Hidden costs the facts support:

• Warranty gap. EcoFlow lists 5 years, which covers the full three-year window. Anker’s warranty was not listed on the page read, so confirm the term and what it covers before relying on it.
• No expansion battery on the Anker. If your load outgrows 1,024 Wh, the fix is a second unit, not an add-on pack. The facts do not say whether the EcoFlow offers expansion, so check its product page if that matters.
• Pre-order exposure on the EcoFlow. The $719 price is an $80-off offer on a pre-order shipping late November. Confirm the price at checkout and the ship date.
• Not published. The facts give no figures for shipping, tax, panels, cables or service plans. Check what is in the box, especially if you need solar cables.

Real-world stress test

This section is a calculation from published specs, not a field test. Real results vary with temperature, inverter efficiency, battery age and weather.

Scenario 1: a workday between drives

A remote worker runs a steady 100 W load (laptop, monitor and router) for a full workday. Both units are rated for about 8.7 hours at 100 W, so 8 hours fits on either, with about 0.7 hours to spare.

The refill then decides the next step. The Anker returns to 100% in 49 minutes at 1,600 W and the EcoFlow in 56 minutes at 1,500 W, a 7-minute gap. Neither hits a limit on the work load itself.

Add a 1,900 W appliance (a hypothetical load). The Anker’s 2,000 W continuous rating covers it. The EcoFlow’s 1,800 W rating does not, so it hits its limit first. A load with a startup spike of up to 3,600 W is within the EcoFlow’s surge rating but above the Anker’s 3,000 W.

Scenario 2: a van-lifer off panels

Take a van-lifer who relies on panels and has an array large enough to hit each unit’s rated maximum. The first full charge at maximum solar input, before losses and ignoring weather, takes 1,024 Wh / 600 W = about 1.7 hours on the Anker. It takes 1,024 Wh / 1,000 W = about 1.0 hour on the EcoFlow.

Over a hypothetical 3-hour window at full rated input, the Anker can take in at most 1,800 Wh (600 W x 3 h) and the EcoFlow at most 3,000 Wh (1,000 W x 3 h). The battery holds 1,024 Wh, so the extra input only helps if loads draw power at the same time. On cloudy days, the higher ceiling helps whenever the array can supply more than 600 W.

For this buyer, the Anker’s 600 W cap is the limit that bites first. The EcoFlow keeps absorbing power the Anker cannot. If the array is 600 W or smaller, this advantage disappears.

Who should buy Anker SOLIX C1000 Gen 2

• You top up between drives and want the shortest refill: 49 minutes at 1,600 W against 56 minutes.
• You run loads near 2,000 W, which the 2,000 W continuous rating covers and the EcoFlow’s 1,800 W does not.
• You want the lowest cost per Wh: 1.46 Wh per $ and $0.17 per kWh over rated cycles.
• You want the lighter unit at 24.9 lb, 2.7 lb under the EcoFlow, and one that is listed for sale today.

Who should buy EcoFlow DELTA 3 Plus

• You charge from panels and have an array above 600 W, since the 1,000 W solar input is the larger ceiling.
• You want a documented 5-year warranty and a stated LiFePO4 chemistry.
• Your loads have heavy startup spikes, since the 3,600 W surge rating is above the Anker’s 3,000 W.
• You can wait for a late-November ship date and want the $80 offer, which brings the price to $719.

Verdict

The Anker SOLIX C1000 Gen 2 wins the benchmark at 1.46 Wh per dollar against 1.42. It is also $19.01 cheaper than the EcoFlow’s sale price, 7 minutes faster to refill and 2.7 lb lighter. It has the higher continuous output (2,000 W against 1,800 W) and is available now. For remote workers who top up between drives, it is the stronger buy on the published numbers.

The EcoFlow DELTA 3 Plus is still the right buy for van-lifers who live off panels, where 1,000 W of solar input beats 600 W. It also suits buyers who put a 5-year warranty first. Confirm the sale price and late-November ship date on EcoFlow’s US store, and confirm Anker’s warranty term on its product page, before ordering.