
GRECELL is renowned for its reliable portable power stations, designed for outdoor adventures, emergencies, and off-grid living. The T300 and T300S are two popular models under this brand, but many users tend to confuse their differences when shopping.
While the T300 power station was once the go-to choice, the newer T300S power station has emerged as a streamlined upgrade tailored to modern needs. With the T300 power station now discontinued, this blog dives deep into why the T300S power station is the smarter buy for most users—and how it stacks up against its predecessor.
Key Specifications Comparison
Model Number | T300 | T300S |
---|---|---|
Rated Capacity | 288.6Wh | 230.88Wh |
Rated Power | 330W, Peak(600W) | 330W, Peak(600W) |
AC Output | 100-120V/60Hz | 110V ±10%, 60Hz |
Cigarette Lighter Output | 12V=10A | 12V=10A |
USB-A Output | 3x (QC3.0/18W) | 2x (5V/3A, 15W) |
USB-C Output | 1x PD 60W | 2x (PD 60W+18W) |
DC5521 Output | 2x (12V/5A) | None |
Input Power | 60W | 45W |
AC/DC Adapter |
AC100-240V(50Hz/60Hz) DC15V=4A |
AC100-240V(50Hz/60Hz) DC15V=3A |
Solar Charge Input | DC12V-26V, DC 4A(Max) | DC12V-26V, 45W(Max) |
Car Charger | DC12V, 60W(Max) | DC12V, 45W(Max) |
Capacity of Batteries | 11.1V 26Ah | 22.2V 10.4Ah |
Net Weight | 3.6kg | 3.3kg |
Product Size | 244*171*177mm | 244*171*177mm |
Key Takeaway:
- Grecell T300: Bigger capacity and more ports make it ideal for professional settings.
- Grecell T300S: Lightweight with dual USB-C fast charging, perfect for daily carry.
Where They Differ
Weight
- Grecell T300: 3.6kg – Slightly heavier, ideal for stationary or car-camping use.
- Grecell T300S: 3.3kg – 0.3kg lighter, optimized for portability in hiking or travel.
Capacity
- Grecell T300: 288.6Wh – Higher capacity for extended runtime.
- Grecell T300S: 230.88Wh – Slightly smaller capacity but sufficient for most short-term needs.
Input Power
- Grecell T300: 60W – Faster solar/car charging.
- Grecell T300S: 45W – Slower but safer charging, reducing heat stress on the battery for long-term durability.
Ports & Connectivity
Grecell T300:
- 3x USB-A Ports: Charge older devices like Bluetooth speakers, LED lights, or GPS units simultaneously.
- 1x USB-C PD 60W: Fast-charge a single laptop (e.g., MacBook Pro).
- 2x DC5521 Ports: Power specialty gear like drones or CPAP machines without adapters.
Grecell T300S:
- 2x USB-A Ports: Still handles basics like phones and small gadgets.
- 2x USB-C Ports: Charge a laptop (60W) and phone (18W) simultaneously—ideal for digital nomads.
- No DC5521 ports: Lacks direct support for niche 12V devices. (Need to buy an adapter).
Why Choose the Grecell T300S?
Ultra-Portable Design:
At 3.3kg, the T300S portable power station is ideal for hikers and travelers. Its compact size fits effortlessly in backpacks, while the lighter weight reduces fatigue on long trips.
Dual USB-C Fast Charging:
Charge a laptop (60W) and phone (18W) simultaneously—perfect for digital nomads or students who need to manage multiple devices.
Budget-Friendly:
Despite a slightly smaller capacity, the Grecell T300S delivers 90% of the T300’s performance at a 15-20% lower cost.
Who Is the Grecell T300S For?
✅Backpackers & Campers: Lightweight enough for multi-day hikes.
✅Urban Dwellers: Charge multiple devices (phones + laptops/tablets) during blackouts.
✅Students: Compact size fits dorm rooms; silent operation for libraries.
✅Budget-Conscious Users: Premium features at a lower cost.
Addressing Common Concerns
❓ “Is the T300S’s 230.88Wh capacity enough?”
Yes! It can:
- Charge a MacBook Pro 3.8 times.
- Run a mini fridge (40W) for 5.7 hours.
- Power a smartphone 23+ times.
❓ “No DC5521 Ports? How to Connect Drones?”
Use a 12V-to-USB-C adapter for niche devices like drones or CPAP machines.
❓ “Is 45W Input Too Slow?”
No! Slower charging reduces heat, extending battery lifespan. Plus, it supports pass-through charging.
Conclusion

The T300S power station is GRECELL’s answer to modern needs: lighter, smarter, and more affordable. Unless you’re a drone pro requiring direct 12V ports, the T300S is your ultimate portable power companion.
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