Nitecore NB20000 vs Shargeek Flow
39 facts in comparison
Based on 1,466 Reddit opinions. Close race—Nitecore NB20000Nitecore NB20000 edges ahead.
1.5K opinions
Nitecore NB20000 leads by 2pts
VS
Reddit's Pick
65%
C+
Based on
49 Redditors
Winner
Nitecore NB20000
~$89.99
48 opinions
tldr; Reddit has mixed feelings about the Nitecore NB20000; while praised for its lightweight design and efficiency, some users question its actual output capacity and value for money.
Check pricesVS
SF
Shargeek Flow
63%
C
Based on
1,428 Redditors
Shargeek Flow
1,418 opinions
tldr; Reddit loves the Shargeek Flow for its unique transparent design and compact form factor, though some find it pricey for 10,000mAh capacity.
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Why is Shargeek Flow better than Nitecore NB20000?
- Unique transparent design shows internal
- Fast 30W USB-C PD charging
- Real-time LED display shows battery percentage
Based on 1,477 Reddit opinions
Too Close to Call
Reddit prefers the Nitecore NB20000Nitecore NB20000
Winning by 2 points (65% vs 63%)
Does not output stated 20000 capacity
Not worth the hype, especially for the price
Lighter and smaller than other units
High confidence (1,477 mentions)
💬Reddit Sentiment
Based on 1,477 Reddit mentionsOverall Rating
Nitecore NB20000
6.5/10
49 mentions
Shargeek Flow
6.3/10
1,428 mentions
⚔️
Head to Head
Nitecore NB20000
65%
63%
Shargeek Flow
Nitecore NB2000065%
Shargeek Flow63%
Close race - Nitecore NB20000 edges ahead by 2 points
Key Specs
| Spec | Nitecore NB20000 | Shargeek Flow |
|---|---|---|
| Capacity | 20,000mAh 3.6V (72Wh) | — |
| Input | Dual USB-C: 5V-3A / 9V-2A / 12V-1.5A (18W MAX) | — |
| Output Usb C 1 | 5V-3A / 9V-2.22A / 12V-1.66A (22.5W MAX) | — |
| Output Usb C 2 | 5V-2.4A / 9V-2A / 12V-1.5A (18W MAX) | — |
| Ip Rating | IPX5 | — |
Key Highlights
Nitecore NB20000
⚠ Does not output stated 20000 capacity
💰 Not worth the hype, especially for the price
🎯 Lighter and smaller than other units
🎯 Among the best in terms of efficiency
🎯 Meets its spec
Some users report issues (41% negative)
Shargeek FlowWinner
🔍 Unique transparent design shows internal
⚡ Fast 30W USB-C PD charging
📟 Real-time LED display shows battery percentage
📦 Compact and lightweight for EDC
💰 Premium price compared to alternatives
Some users report issues (37% negative)
📈Where They Rank
💬What Redditors Actually Say
What Redditors Say
Best praise vs top criticism for Shargeek Flow
Best Praise
+45 pts“The Shargeek Flow has that cool transparent design where you can see all the internals. Great conversation starter and actually well built.”
No negative quotes found
1 more quotes available below
📈Historical Price Data
Nitecore NB20000
Shargeek Flow
Nitecore NB20000
All-time low: $84.99(2023-12)
Shargeek Flow
All-time low: $23.99(2025-11)
Which is Better?
Nitecore NB20000 Wins
65%
NB20000
vs
63%
Flow
Close race, but Nitecore NB20000 edges ahead by 2 points based on 1,477 Reddit opinions.
Why Nitecore NB20000Winner
- ⚠ Does not output stated 20000 capacity
- 💰 Not worth the hype, especially for the price
- 🎯 Lighter and smaller than other units
Why Shargeek Flow
- 🔍 Unique transparent design shows internal
- ⚡ Fast 30W USB-C PD charging
- More discussed (1,428 vs 49)
❤️The Love/Hate Breakdown
Sentiment Breakdown
57%Positive
Positive
57%Neutral
2%Negative
41%Based on 49 Reddit opinions
Sentiment Breakdown
62%Positive
Positive
62%Neutral
1%Negative
37%Based on 1,428 Reddit opinions
Frequently Asked Questions
Which is better, Nitecore NB20000 or Shargeek Flow?
Based on 1,477 Reddit comments, Nitecore NB20000 has a slight edge with 65% positive sentiment vs Shargeek Flow's 63%. The difference is small, so both are solid choices.
Should I buy Nitecore NB20000 or Shargeek Flow?
Both have similar approval ratings (65% vs 63%), so focus on specific features, pricing, and what matters most to you.
What do Redditors love about Nitecore NB20000?
Reddit users highlight: Does not output stated 20000 capacity. Not worth the hype, especially for the price. Lighter and smaller than other units. With 49 mentions and 65% approval, it's a well-regarded choice in the community.
What do Redditors say about Shargeek Flow?
Reddit users highlight: Unique transparent design shows internal. Fast 30W USB-C PD charging. Real-time LED display shows battery percentage. With 1,428 mentions and 63% approval, it remains a popular alternative.
How many Reddit reviews were analyzed?
This comparison analyzed 1,477 Reddit comments: 49 about Nitecore NB20000 and 1,428 about Shargeek Flow. Data was sourced from Portable Chargers community discussions.
How accurate are these ratings?
Our sentiment analysis is approximately 80-85% accurate compared to manual review. Well-discussed products with many mentions tend to have more reliable scores than niche items with fewer data points.
Why trust Reddit over professional reviews?
Reddit users bought products with their own money and have no incentive to mislead. You're seeing hundreds of real opinions across different use cases, not just one reviewer's take. This crowdsourced approach surfaces both common praise and recurring complaints.
1,466 Reddit opinions analyzed · Last updated 5/19/2026