Nitecore EDC17 vs ThruNite TC20 V3 size comparison
The ThruNite TC20 V3 is 2 mm (0.08 in) longer than the Nitecore EDC17, and 3 mm wider at its widest point. Weights are published on different bases (with battery vs listed), so compare them with care.
The ThruNite TC20 V3 is 2 mm (0.08 in) longer than the Nitecore EDC17, and 3 mm wider at its widest point. Weights are published on different bases (with battery vs listed), so compare them with care.
Dimensions
| Nitecore EDC17 Check price ↗ | ThruNite TC20 V3 Check price ↗ | |
| Length | 123 mm (4.84 in) | 125 mm (4.92 in)+2 mm |
| Head / width | 32 mm (1.26 in) | 35 mm (1.38 in)+3 mm |
| Body | — | 28 mm (1.10 in) |
| Thickness | 16 mm (0.63 in) | — |
| Weight | 106 g listed | 197 g with battery |
| Battery | Built-in | 21700 |
| Max output | 1,500 lm | 4,720 lm |
| Throw | 230 m | — |
| Type | EDC | EDC |
| Price | $94.95 at batteryjunction.com, as of Nov 4, 2026 | $79.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | batteryjunction.com sourced |
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EDC17 vs TC20 V3: how they differ
Size and weight
The Nitecore EDC17 is the shorter light: 123 mm (4.84 in) against 125 mm (4.92 in), a difference of 2 mm (2%). At its widest point the Nitecore EDC17 is 3 mm slimmer (32 vs 35 mm). Weights are published on different bases (Nitecore EDC17: 106 g listed; ThruNite TC20 V3: 197 g with battery), so they are not directly comparable.
Brightness and throw
The ThruNite TC20 V3 is rated brighter: 4,720 lm maximum vs 1,500 lm for the Nitecore EDC17, 215% more.
Battery
The Nitecore EDC17 runs on a built-in rechargeable battery; the ThruNite TC20 V3 runs on a removable 21700 battery. Only the ThruNite TC20 V3 lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Nitecore EDC17 was $94.95 at batteryjunction.com and the ThruNite TC20 V3 $79.95 at batteryjunction.com, so the ThruNite TC20 V3 cost $15.00 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Nitecore EDC17 if you want a slimmer profile (3 mm narrower) and a built-in battery with no separate cell to buy. Choose the ThruNite TC20 V3 if you want more output (4,720 lm vs 1,500 lm) and a removable cell you can swap. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Nitecore EDC17 Check price ↗ ThruNite TC20 V3
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
EDC17 vs TC20 V3 FAQ
Which is smaller, the Nitecore EDC17 or the ThruNite TC20 V3?
The Nitecore EDC17 is the shorter light: 123 mm (4.84 in) against 125 mm (4.92 in), a difference of 2 mm (2%). At its widest point the Nitecore EDC17 is 3 mm slimmer (32 vs 35 mm). Weights are published on different bases (Nitecore EDC17: 106 g listed; ThruNite TC20 V3: 197 g with battery), so they are not directly comparable.
Which is brighter, the Nitecore EDC17 or the ThruNite TC20 V3?
The ThruNite TC20 V3 is rated brighter: 4,720 lm maximum vs 1,500 lm for the Nitecore EDC17, 215% more.
Which is cheaper, the Nitecore EDC17 or the ThruNite TC20 V3?
When we checked on Nov 4, 2026, the Nitecore EDC17 was $94.95 at batteryjunction.com and the ThruNite TC20 V3 $79.95 at batteryjunction.com, so the ThruNite TC20 V3 cost $15.00 less. Prices change often, so check the current price before you buy.
Do the Nitecore EDC17 and ThruNite TC20 V3 use the same battery?
The Nitecore EDC17 runs on a built-in rechargeable battery; the ThruNite TC20 V3 runs on a removable 21700 battery. Only the ThruNite TC20 V3 lets you swap in a charged spare.
Compare Nitecore EDC17 with similar lights
Compare ThruNite TC20 V3 with similar lights
More
Sources
- Nitecore EDC17: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $94.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
- ThruNite TC20 V3: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $79.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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