Home Power Facts Anker SOLIX S2000 vs Goal Zero Yeti 1500X
The Anker SOLIX S2000 delivers more usable capacity than the Goal Zero Yeti 1500X (about 1,778 Wh vs 1,213 Wh). The Goal Zero Yeti 1500X has the stronger inverter (2,000 W vs 1,500 W continuous). A typical refrigerator runs about 26.7 h on the Anker SOLIX S2000 and 18.2 h on the Goal Zero Yeti 1500X.
Specs verified 2026-10-18. Every value below links to its source.
Where they differ
Better on 6 of 9
Anker SOLIX S2000
- Anker SOLIX S2000: more usable capacity (1,778 Wh vs 1,213 Wh, Goal Zero Yeti 1500X).
- Anker SOLIX S2000: lighter (35.7 lb vs 45.6 lb, Goal Zero Yeti 1500X).
- Anker SOLIX S2000: lower list price (999.99 USD vs 1,499.95 USD, Goal Zero Yeti 1500X).
- Anker SOLIX S2000: lower price per usable Wh ($0.56 vs $1.24, Goal Zero Yeti 1500X), the fairest value measure across sizes.
- Anker SOLIX S2000: faster AC charging (1,600 W vs 600 W, Goal Zero Yeti 1500X).
- Anker SOLIX S2000: longer warranty (5 years vs 2 years, Goal Zero Yeti 1500X).
Better on 3 of 9
Goal Zero Yeti 1500X
- Goal Zero Yeti 1500X: higher continuous AC output (2,000 W vs 1,500 W, Anker SOLIX S2000).
- Goal Zero Yeti 1500X: higher surge rating (3,500 W vs 3,000 W, Anker SOLIX S2000).
- Goal Zero Yeti 1500X: more solar input (600 W vs 400 W, Anker SOLIX S2000).
Affiliate links: we may earn a commission, at no cost to you. As an Amazon Associate I earn from qualifying purchases.
Specs side by side
| Spec | Anker SOLIX S2000 | Goal Zero Yeti 1500X |
|---|---|---|
| Rated capacity | 2,010 Wh[source]Listed as 2,010 Wh. Not the same product as the SOLIX C2000 Gen 2 or F2000. | 1,516 Wh[source]'Pack capacity: 1516Wh (10.8V, 140.4Ah)'. |
| Usable capacity (measured) | 1,778 Wh[source]techtest.org measured 1,778-1,969 Wh depending on load (an average of 1,893 Wh); the lowest result is used, as for every model. That test used the EU 230 V version; no US-unit discharge test found. | Not publishedNo independent measured usable capacity found (searched 2026-10-19). Checked Off Grid Web, T3, Digital Camera World and Inverse; all repeat the 1,516Wh rating. testberichte.de reports a solar charge-and-discharge round trip (1 kWh out of 1.8 kWh in), which is not a capacity test. |
| AC continuous output | 1,500 W[source]'1,500W Rated | 3,000W Peak | Pure Sine Wave AC'. | 2,000 W[source]'2x AC: 2000W, 3500W Surge (120VAC 60Hz, 16.5A), Pure Sine Wave'. |
| AC surge output | 3,000 W[source] | 3,500 W[source]'3500W Surge'. |
| 240 V output | Not publishedOfficial page text gives only '1,500W Rated / 3,000W Peak | Pure Sine Wave AC' and '8 Outlets'; voltage is in spec images only. Official user guide (support.anker.com/s/articlemanual?pn=AS220) is a JS app with no retrievable PDF. Only third-party manual mirrors show 120V. | No[source]120 V only: '120VAC 60Hz'. |
| Battery chemistry | LiFePO4[source]'314Ah LFP cells'. | Li-ion NMC[source]'Cell chemistry: Li-ion NMC'. |
| Cycle life | 6,000 cycles to 80% capacity; 10,000 cycles to 60% capacity[source]Spec table image says '10,000 Cycles'; the comparison table qualifies it as 6,000 to 80% and 10,000 to 60%. | 500 cycles to 80% capacity[source]'Lifecycles: 500 Cycles to 80% capacity (Discharge rate: 1C, Full charge/discharge, Temp: 25C)'. |
| AC charging | 1,600 W[source]1,600 W only with UltraFast Mode turned on in the Anker app; default AC input is capped at 1,150 W. | 600 W[source]'AC Wall Chargers (600W Input Max)', with the optional 600W Power Supply. The included '120W Power Supply' takes 14 hours. |
| Max solar input | 400 W[source]Spec table image on the official page: 'Solar Input 400W Max'. | 600 W[source]'Solar Charging (600W Actual Input Max)'. |
| Expandable | No[source]Official comparison table: Expandable Battery 'No'. | Not publishedConflict on the official page: one spec block says 'Chainable With Yeti Link and Tank Expansion batteries', while the General section says 'Chainable: No'. Neither the Yeti Link nor a Tank battery is listed on the current store (checked 2026-10-19). |
| UPS / EPS switchover | 10 ms[source]Spec table says '≤10 ms'. | Not publishedGoal Zero gives no switchover time or UPS rating for the 1500X; the page says only 'Simultaneous Recharge & Discharge: Yes'. |
| Weight | 35.7 lb[source] | 45.64 lb[source]'Weight: 45.64 lbs (20.7 kg)'. |
| Warranty | 5 years[source] | 2 years[source]'Warranty: 2 years' for a new unit. Open-box units carry a 6-month warranty. |
| List price | $999.99[source]Compare-at price $999.99; sale price $649.99 ('Saved $350.00', offer ending Oct. 18) seen 2026-10-18. | $1,499.95[source]Seen 2026-10-19: regular price $1,499.95, sale price $1,124.89, but 'Sold out' with 'Notify Me When Available'. The only buyable unit is the open-box listing at $974.97 (compare-at $1,499.95). |
| Usable capacity used for runtimes | 1,778 Wh | 1,213 Wh (est. 80%) |
Runtime on one charge
| Appliance | Anker SOLIX S2000 | Goal Zero Yeti 1500X |
|---|---|---|
| Refrigerator | 26.7 h | 18.2 h |
| Chest freezer | 3 days | 2.1 days |
| CPAP (no humidifier) | 39.5 h | 27 h |
| CPAP with heated humidifier | 19.8 h | 13.5 h |
| Sump pump (1/3 hp) | 2.7 h | 1.9 h |
| Sump pump (1/2 hp) | 1.9 h | 1.3 h |
| Gas furnace blower (1/2 hp) | 3.2 h | 2.2 h |
| Window AC (5,000 BTU) | 5.1 h | 3.5 h |
| Microwave | 2 h | 1.3 h |
| Coffee maker | 1.5 h | 1 h |
| Laptop charger | 29.6 h | 20.2 h |
| Phone charger | 3.7 days | 2.5 days |
| Wi-Fi router / modem | 4.9 days | 3.4 days |
| TV (LED, 32-55 inch) | 26.1 h | 17.8 h |
| LED light bulb (each) | 8.2 days | 5.6 days |
| Space heater | 1.2 h | 0.8 h |
| Oxygen concentrator (home, 5 L/min) | 5.1 h | 3.5 h |
| Starlink (Standard kit) | 20.2 h | 13.8 h |
| Desktop PC + monitor | 19.8 h | 13.5 h |
| Electric blanket (queen) | 6.8 h | 4.7 h |
| Box fan (20 inch) | 21.4 h | 14.6 h |
| Dehumidifier (35-50 pint) | 3.7 h | 2.5 h |
| Portable air conditioner (8,000-10,000 BTU) | 1.5 h | 1 h |
| Electric kettle | 1.2 h | 0.8 h |
| Portable induction cooktop (single burner) | No | 0.7 h |
| Air fryer | 1.2 h | 0.8 h |
| Mini fridge (compact, ~3 cu ft) | 3 days | 2 days |
| Garage door opener | 2.5 h | 1.7 h |
Runtime = usable capacity ÷ average draw, the same formula for both models (no idle draw added to either), after checking continuous output and startup surge. Usable capacity is an independent test's measured figure, or 80% of rated where none exists. See the methodology.