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Grecell StoreBest Price
$95
Prices are checked periodically and may not reflect real-time changes. Always verify the final price on the retailer's website before purchasing.
Performance Matrix
Battery
230.8Wh
AC Output
330W
Solar Input
45W
Weight
4.6 kg· 10.2 lbs
Cycles
—
UPS
—
Real-World Runtime Estimates
Pick an activity to see how long GRECELL T300S powers a typical loadout.
Choose your activity (20)
Phone Charger (20W)9.8 hours
LED Lantern (10W)19.6 hours
Portable Fan (40W)4.9 hours
Laptop (65W)3.0 hours
Mini Fridge (60W)· 35% duty9.3 hours
Runtimes are estimates. Fridges, AC units, humidifiers and similar devices are modeled with realistic duty cycles so numbers reflect average draw, not peak wattage.
Budget Camping runtime estimates
- Phone Charger (20W): 9.8 hours
- LED Lantern (10W): 19.6 hours
- Portable Fan (40W): 4.9 hours
- Laptop (65W): 3.0 hours
- Mini Fridge (60W): 9.3 hours
Photography & Video runtime estimates
- Camera Battery Charger (30W): 6.5 hours
- LED Light Panel (100W): 2.0 hours
- Drone Charger (70W): 2.8 hours
- Laptop (65W): 3.0 hours
- 27" Monitor (40W): 4.9 hours
Job Sites runtime estimates
- Circular Saw (1800W): 0.1 hours
- Corded Drill (700W): 0.3 hours
- Air Compressor (1000W): 0.5 hours
- Laptop (65W): 3.0 hours
- Phone Charger (20W): 9.8 hours
Outdoor Events runtime estimates
- PA Speaker (150W): 1.3 hours
- Stage Light (200W): 1.0 hours
- LED Light Panel (100W): 2.0 hours
- Laptop (65W): 3.0 hours
- Phone Charger (20W): 9.8 hours
Overlanding runtime estimates
- Mini Fridge (60W): 9.3 hours
- LED Light Panel (100W): 2.0 hours
- Laptop (65W): 3.0 hours
- Phone Charger (20W): 9.8 hours
- 12V Water Pump (100W): 6.5 hours
Boats & Marine runtime estimates
- Fish Finder (5W): 39.2 hours
- Mini Fridge (60W): 9.3 hours
- LED Lantern (10W): 19.6 hours
- Phone Charger (20W): 9.8 hours
- 12V Water Pump (100W): 6.5 hours
Tailgating runtime estimates
- 55" TV (120W): 1.6 hours
- PA Speaker (150W): 1.3 hours
- Mini Fridge (60W): 9.3 hours
- Blender (500W): 0.4 hours
- Phone Charger (20W): 9.8 hours
Ice Fishing runtime estimates
- Electric Ice Auger (500W): 0.4 hours
- Fish Finder (5W): 39.2 hours
- Space Heater (750W): 0.4 hours
- Phone Charger (20W): 9.8 hours
- LED Lantern (10W): 19.6 hours
Camping runtime estimates
- Mini Fridge (60W): 9.3 hours
- LED Lantern (10W): 19.6 hours
- Portable Fan (40W): 4.9 hours
- Phone Charger (20W): 9.8 hours
- Laptop (65W): 3.0 hours
CPAP & Medical runtime estimates
- CPAP Machine (40W): 5.4 hours
- Humidifier (30W): 16.3 hours
- Nebulizer (100W): 2.0 hours
- Oxygen Concentrator (350W): 0.6 hours
- Phone Charger (20W): 9.8 hours
Remote Work runtime estimates
- Laptop (65W): 3.0 hours
- 27" Monitor (40W): 4.9 hours
- Router + Modem (30W): 6.5 hours
- Phone Charger (20W): 9.8 hours
- Desk Lamp (10W): 19.6 hours
RV Life runtime estimates
- Mini Fridge (60W): 9.3 hours
- 55" TV (120W): 1.6 hours
- Laptop (65W): 3.0 hours
- 12V Water Pump (100W): 6.5 hours
- Coffee Maker (800W): 0.2 hours
Apartment Dweller runtime estimates
- Router + Modem (30W): 6.5 hours
- Laptop (65W): 3.0 hours
- 55" TV (120W): 1.6 hours
- Phone Charger (20W): 9.8 hours
- Mini Fridge (60W): 9.3 hours
Van Life runtime estimates
- Mini Fridge (60W): 9.3 hours
- 12V Water Pump (100W): 6.5 hours
- LED Lantern (10W): 19.6 hours
- Laptop (65W): 3.0 hours
- Portable Fan (40W): 4.9 hours
Solar Setup runtime estimates
- Mini Fridge (60W): 9.3 hours
- Laptop (65W): 3.0 hours
- 12V Water Pump (100W): 6.5 hours
- LED Light Panel (100W): 2.0 hours
- 55" TV (120W): 1.6 hours
Emergency Preparedness runtime estimates
- Mini Fridge (60W): 9.3 hours
- CPAP Machine (40W): 5.4 hours
- Router + Modem (30W): 6.5 hours
- LED Light Panel (100W): 2.0 hours
- Phone Charger (20W): 9.8 hours
Food Trucks runtime estimates
- Induction Cooktop (1800W): 0.1 hours
- Blender (500W): 0.4 hours
- Portable Freezer (120W): 4.7 hours
- Coffee Maker (800W): 0.2 hours
- LED Light Panel (100W): 2.0 hours
Home Backup runtime estimates
- Mini Fridge (60W): 9.3 hours
- Router + Modem (30W): 6.5 hours
- 55" TV (120W): 1.6 hours
- Laptop (65W): 3.0 hours
- Phone Charger (20W): 9.8 hours
Off-Grid Living runtime estimates
- Mini Fridge (60W): 9.3 hours
- Laptop (65W): 3.0 hours
- LED Light Panel (100W): 2.0 hours
- 12V Water Pump (100W): 6.5 hours
- Induction Cooktop (1800W): 0.1 hours
Whole Home Backup runtime estimates
- Mini Fridge (60W): 9.3 hours
- Portable Freezer (120W): 4.7 hours
- Router + Modem (30W): 6.5 hours
- 55" TV (120W): 1.6 hours
- Space Heater (750W): 0.4 hours
Pros
- Strong Cost Per Wh: 0.41
- Strong Ac Wave Quality: Pure Sine Wave
- Strong Ac Charge Speed: 45
- Strong Weight: 4.63
- Strong Fast Charging: Yes
Cons
- Low Energy Density Wh Per Kg: 49.8
- Low Ac Power Surge: 600
- Low Max Solar Input: 45
- Low Portable: Portable
- Low Expandable Capacity: No
Best For
Not Recommended
Home BackupOff-Grid LivingWhole Home Backup
Technical Score Breakdown
Price100
Physical50.1
Battery10
Connectivity0
Charging81.2
AC Power47.7
Advanced Features0
Capacity Position
GRECELL T300S
90 Wh231 Wh6,144 Wh
Technical Specifications
Physical
Energy Density Wh Per Kg
49.8
Dimensions
23.4 x 17.0 x 17.7 cm
Operating Temp
-10°C to 40°C (14°F to 104°F)
Weight
4.63
Portable
Portable
Product Info
Brand
Grecell
Model Name
T300S
Product Url
https://grecell.com/products/power-station-300w
Price
Price Description
From $94.99 USD (budget entry model)
Base Price
94.99
Cost Per Wh
0.41
Charging
Solar Connector Type
7909 (includes MC4-7909 cable)
Solar Panel Compatibility
12V-26V DC panels
Charger Type
AC adapter (100-240V, DC15V/3A) + car charger + solar
Ac Charge Speed
45
Max Solar Input
45
Fast Charging
Yes
Pass Through Charging
Yes
DC Power
Dc Output
Car charger 12V/10A; USB-C1 60W; USB-C2 18W; USB-A 18W per port
Battery
Battery Capacity Wh
230.8
Expandable Capacity
No
AC Power
Ac Power Continuous
330
Ac Power Surge
600
Ac Wave Quality
Pure Sine Wave
Advanced Features
Parallel Expansion
No
Connectivity
Wireless Charging
No
App Control
No
Bluetooth
No
Wifi Connectivity
No
Competitor Comparison
Side‑by‑side specs vs 3 similar models in the same capacity and price range.
| Spec | ||||
|---|---|---|---|---|
| Overall score | 35.6 | 55.9 | 48.9 | 45.5 |
| Capacity | 231 Wh | 256 Wh | 288 Wh | 192 Wh |
| AC output | 330 W | 600 W | 300 W | — |
| Weight | 4.6 kg · 10.2 lbs | 3.7 kg · 8.2 lbs | 4 kg · 8.8 lbs | 1.9 kg · 4.2 lbs |
| Battery cycles | — | 3,500 | — | 3,000 |
| UPS switch time | — | 20 ms | — | — |
| Max solar input | 45 W | 240 W | 100 W | 100 W |
| Price | $95 | $129 | $111 | $120 |
| Cost per Wh | $0.41/Wh | $0.50/Wh | $0.39/Wh | $0.62/Wh |
Green value + dot = best in that row. Similar models selected from the same capacity tier, priced within ±40%.




