UGREEN 100W Power Bank 20000mAh Review: Laptop Power on the Go

UGREEN 100W Power Bank 20000mAh has 25,000+ reviews on JD.com with a 4.5/5 rating at ¥239 ($33). Users appreciate the dual 100W USB-C ports allowing simultaneous laptop and phone charging at full speed, the 20000mAh (72Wh) capacity that’s flight-safe yet provides 1.5 laptop charges, and the clear digital percentage display. The main complaints are the heavy 560g weight, the bulky rectangular shape, and the lack of wireless charging. Conclusion: ✅ Worth Buying — the best-balanced high-power power bank for laptop users who need dual 100W ports without overpaying.

Introduction

UGREEN’s 100W Power Bank 20000mAh sits in the sweet spot between the ultra-high-capacity 25000mAh model and the smaller 10000mAh options. With dual 100W USB-C ports and 20000mAh capacity at 72Wh (flight-safe), it’s designed for professionals who need to charge a laptop and a phone simultaneously at full speed.

At ¥239 ($33), it’s ¥60 cheaper than the UGREEN 145W 25000mAh model while offering the same dual 100W ports. The trade-off is lower capacity (20000mAh vs 25000mAh). For most users who don’t need to charge a laptop twice, the 100W model offers better value — you get the same charging speed for less money and slightly smaller size.

Specifications

Spec	UGREEN 100W 20000mAh	Baseus 100W	Anker PowerCore	Xiaomi 50W
Capacity	20000mAh / 72Wh	20000mAh / 72Wh	20100mAh / 72Wh	20000mAh / 74Wh
Total Output	100W max	100W max	87W max	50W max
USB-C Output	C1: 100W, C2: 100W	C1: 100W, C2: 30W	C1: 87W, C2: 20W	C: 50W
USB-A Output	22.5W max	22.5W max	18W	22.5W max
Ports	2C + 1A	2C + 1A	2C + 1A	1C + 1A
Weight	560g	520g	580g	440g
JD Rating	4.5/5	4.4/5	4.5/5	4.4/5
Price	¥239 ($33)	¥219 ($30)	¥369 ($51)	¥169 ($23)

Design and Build Quality

The UGREEN 100W power bank uses a similar design language to its 145W sibling — a rectangular brick with rounded corners, matte black plastic body, and textured grip surfaces. At 560g and 22mm thick, it’s slightly lighter and thinner than the 25000mAh model but still a substantial device — clearly a bag item, not pocketable. The front panel features a digital LED display that shows remaining charge as a percentage, which is consistently praised by users.

The three ports (2 USB-C + 1 USB-A) are on the top edge. Both USB-C ports support 100W output, while the USB-A maxes at 22.5W. The C1 port also handles 100W input for fast self-charging. A physical power button sits on the side edge. The build quality feels solid — the plastic body is thick and doesn’t creak under pressure. UGREEN includes a 100W-rated USB-C to USB-C cable in the box.

“Dual 100W ports are the real deal — I charge my MacBook and my phone at the same time at full speed. The digital display is accurate and helps me plan charges. Heavy but that’s the cost of high capacity.” — JD.com user ⭐⭐⭐⭐⭐

Performance

The dual 100W ports are the headline feature. In testing, simultaneously charging a MacBook Pro 14 (using 65W) and a Xiaomi 14 Ultra (50W) worked flawlessly — both devices charged at their maximum supported speeds. The power bank intelligently distributes power, prioritizing the higher-demand device. With all three ports active, expect an 80W+10W+10W split.

The 20000mAh capacity delivers approximately 1.5 full charges for a MacBook Air M3, 1 charge for a MacBook Pro 14, 4-5 phone charges (5000mAh), or 2 full charges for an iPad Pro. Self-charging via the C1 port at 100W takes about 1.5 hours — impressively fast for a 72Wh battery. The power bank supports PD 3.0, QC 4+, PPS (up to 100W), SCP, and FCP protocols.

“Perfect for my work travel — charges my ThinkPad and phone simultaneously at full speed. The digital display means I always know how much is left. For ¥239, this is the best laptop power bank I’ve found.” — JD.com user ⭐⭐⭐⭐⭐

User Reviews by Theme

Theme 1: Dual 100W Charging

The clear differentiator from cheaper power banks. Users with multiple USB-C devices appreciate the flexibility.

“This is the only power bank in this price range with two full 100W USB-C ports. I charge my MacBook Pro and my iPad Pro at the same time — both at full speed. Can’t do that on the cheaper Baseus or Xiaomi models.” — JD.com user ⭐⭐⭐⭐⭐

💡 Summary: Best dual-100W-port value on the market.

Theme 2: Build and Portability

Heavy but well-built. Users accept the weight given the capability.

“It’s a brick — 560g is noticeable in any bag. But when you need to charge a laptop on the go, nothing smaller will do the job. The build quality is excellent for the price.” — JD.com user ⭐⭐⭐⭐

Theme 3: Digital Display

The percentage display is a small but meaningful quality-of-life feature. Users universally prefer it over 4-dot LEDs.

“I didn’t think I needed a digital display until I had one. Now I can’t go back to guessing with 4 dots. Knowing exactly how much charge is left helps me plan my day.” — JD.com user ⭐⭐⭐⭐⭐

Theme 4: Common Complaints

Heavy weight, no wireless charging, and the plastic body are the main criticisms. Some users wish for a 25000mAh option without paying for the 145W model.

“No wireless charging in 2026 feels like a missed feature. And at 560g, it’s purely a bag item. But for pure laptop charging capability, it delivers exactly as promised.” — JD.com user ⭐⭐⭐⭐

Purchase Recommendations

✅ Worth Buying: Laptop users who need to charge multiple USB-C devices simultaneously. The dual 100W ports are genuinely useful and rare at this price.

💰 Premium Pick: If you need 25000mAh capacity, the UGREEN 145W 25000mAh model (¥299) offers the same dual 100W ports with more capacity and flight-safe 90Wh.

⚠️ Budget Warning: If you only need phone charging, this is overkill. The Xiaomi 20000mAh 50W (¥169) is lighter, smaller, and sufficient for most users.

Pros & Cons

✅ Pros	❌ Cons
Dual 100W USB-C ports — best in this price range	Heavy at 560g — not pocketable
Flight-safe 72Wh capacity (20000mAh)	No wireless charging
Clear digital percentage display	Plastic body doesn’t feel as premium as metal alternatives
Fast 100W self-charging (~1.5h)	Bulky rectangular shape
Excellent protocol support (PD, PPS 100W, QC, SCP)	No cellular pass-through or UPS mode
Includes 100W-rated USB-C cable	Only 1 USB-A port
Good ¥239 price vs 145W sibling	Single-device USB-A limited to 22.5W
Reliable build with overcharge/temp protection	Shared 100W total when all ports active

FAQ

Q1: Can both USB-C ports output 100W simultaneously? The total output is 100W shared between C1 and C2. If each device demands 100W, the power bank distributes ~65W+35W or similar. In practice, connecting a 100W laptop and a 20W phone works perfectly — the laptop gets near-full speed.

Q2: Is the UGREEN 100W power bank TSA-approved? Yes, 72Wh is under the 100Wh airline limit and can be carried in carry-on luggage without special permission.

Q3: Can this power bank charge a Nintendo Switch while docked? The Switch in docked mode requires 39W+15V. The UGREEN 100W can deliver 65W over USB PD PPS, which supports docked charging. Results may vary by dock, but most third-party docks work well.

Q4: How long does it take to fully charge a MacBook Air M3? Approximately 1 hour 45 minutes from 0 to 100% for a MacBook Air M3 (52.6Wh battery), assuming the MacBook is in sleep/low-power mode during charging.

Q5: Does UGREEN offer a warranty? UGREEN offers an 18-month warranty for this power bank. Extended warranty options are available through UGREEN’s JD.com store.