Goal Zero Yeti 4000 ProvsOUPES Guardian 6000
Head-to-head comparison of scores, specs, and features.
Winner


Goal Zero Yeti 4000 Pro
76.5Grade A
Price
$2379.89
AC Power
3600W

OUPES Guardian 6000
76.0Grade A
Price
$1599.00
AC Power
6000W
Goal Zero Yeti 4000 Prowins by0.45points overall.
The Verdict
Overall take
Buy Goal Zero Yeti 4000 Pro if
- Better Ups Functionality: Yes vs EPS
- Better Ups Switch Time: 10 vs 20
- Higher overall score
Buy OUPES Guardian 6000 if
- Better Portable: Yes vs No
- Better Max Extra Batteries: 8 vs 4
- Better Cost Per Wh: 0.35 vs 0.60
Top 3 Key Differences
Portable
Novs Yes
Score: 0 vs 100
Ups Functionality
Yesvs EPS
Score: 100 vs 0
Ups Switch Time
10vs 20
Score: 100 vs 76.8
Performance by Category
ChargingTie
Goal Zero Yeti 4000 Pro
100.0
OUPES Guardian 6000
100.0
AC PowerTie
Goal Zero Yeti 4000 Pro
100.0
OUPES Guardian 6000
100.0
ConnectivityTie
Goal Zero Yeti 4000 Pro
75.0
OUPES Guardian 6000
75.0
PriceOUPES Guardian 6000 wins
Goal Zero Yeti 4000 Pro
72.1
OUPES Guardian 6000
84.3
BatteryOUPES Guardian 6000 wins
Goal Zero Yeti 4000 Pro
95.0
OUPES Guardian 6000
100.0
PhysicalOUPES Guardian 6000 wins
Goal Zero Yeti 4000 Pro
50.5
OUPES Guardian 6000
79.0
Advanced FeaturesGoal Zero Yeti 4000 Pro wins
Goal Zero Yeti 4000 Pro
66.7
OUPES Guardian 6000
25.6
WarrantyTie
Goal Zero Yeti 4000 Pro
100.0
OUPES Guardian 6000
100.0
Full Technical Specifications
| Feature | Goal Zero Yeti 4000 Pro | OUPES Guardian 6000 |
|---|---|---|
| Charging | ||
| Ac Charge Speed | 150 | 180 |
| Charger Type | MPPT | 240V AC (3,600W), 120V AC (1,800W), Solar MPPT (2,100W max), Car (8.5A) |
| Fast Charging | Yes | Yes |
| Max Solar Input | 3000 | 2100 |
| Max Solar Panels | 4 | 5 |
| Pass Through Charging | Yes | Yes |
| Smart Charging | Yes | Yes |
| Solar Connector Type | MC4 compatible (14-150V input range) | MC4 (via Anderson to MC4 cable) |
| Solar Panel Compatibility | Goal Zero Boulder, Nomad, Ranger series; MC4 compatible panels 14-150V | 12-140V DC, MPPT 18-130V, 15A max; Compatible with OUPES 240W solar panels |
| AC Power | ||
| Ac Output Amps | 30A max | 50A max |
| Ac Power Continuous | 3600 | 6000 |
| Ac Power Surge | 7200 | 9000 |
| Ac Wave Quality | Pure Sine Wave | Pure Sine Wave |
| Connectivity | ||
| App Control | Yes | Yes |
| Bluetooth | Yes | Yes |
| Wifi Connectivity | Yes | Yes |
| Wireless Charging | No | No |
| Price | ||
| Base Price | 2379.89 | 1599.00 |
| Bundle Price | $3,399.95 | 3319.00 |
| Cost Per Wh | 0.60 | 0.35 |
| Extra Battery Cost | 1,999.95 | — |
| Price Description | Sale price $2,379.89, regular MSRP $3,399.95. Tank PRO 4000 expansion batteries available separately. | Regular price $2,499.00; current promo price $1,599 with auto-applied discount code (Spring Mega Sale). Guardian 6000 unit only. |
| Battery | ||
| Battery Capacity Wh | 3994 | 4608 |
| Battery Lifespan Cycles | 4000 | 4000 |
| Expandable Capacity | Yes | Yes |
| Extra Battery Capacity | 4000 | 4608 |
| Max Extra Batteries | 4 | 8 |
| Product Info | ||
| Brand | Goal Zero | OUPES |
| Model Name | Yeti PRO 4000 | Guardian 6000 |
| Product Url | https://goalzero.com/products/yeti-pro-4000-power-station | https://oupes.com/products/oupes-guardian-6000-portable-power-station |
| DC Power | ||
| Dc Output | 12V DC plug, 2x 12V barrel connectors, 3x USB-A (18W combined 54W), 3x USB-C (1x 100W + 2x 30W = 160W total), 12V combined 375W | XT90: 12V/24V; USB-A: 2x18W max; USB-C: 1x140W max; Car charging: 12-15.5V 8.5A max |
| Physical | ||
| Dimensions | 54.3 x 35.1 x 37.7 cm | 63.36 x 41.25 x 42.70 cm |
| Energy Density Wh Per Kg | 76.1 | 91.2 |
| Noise Level | 45 | 45 |
| Operating Temp | Charge: 0-52°C (32-125.6°F); Discharge: -20-60°C (-4-140°F) | 0°C to 40°C (32°F to 104°F) |
| Portable | No | Yes |
| Weight | 52.5 kg · 115.7 lbs | 50.5 kg · 111.3 lbs |
| Advanced Features | ||
| Parallel Expansion | No | No |
| Ups Functionality | Yes | EPS |
| Ups Switch Time | 10 | 20 |
| Warranty | ||
| Warranty | 5 | 5 |