ThruNite T1 Pro vs ThruNite TC20 V3 size comparison
The ThruNite TC20 V3 is 22 mm (0.87 in) longer than the ThruNite T1 Pro, and 8 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 22 mm (0.87 in) longer than the ThruNite T1 Pro, and 8 mm wider at its widest point. Weights are published on different bases (with battery vs listed), so compare them with care.
Dimensions
| ThruNite T1 Pro Check price ↗ | ThruNite TC20 V3 Check price ↗ | |
| Length | 103 mm (4.06 in) | 125 mm (4.92 in)+22 mm |
| Head / width | 27 mm (1.06 in) | 35 mm (1.38 in)+8 mm |
| Body | 23 mm (0.91 in) | 28 mm (1.10 in)+5 mm |
| Weight | 54 g listed | 197 g with battery |
| Battery | 18650 | 21700 |
| Max output | 1,920 lm | 4,720 lm |
| Throw | 196 m | — |
| Type | EDC | EDC |
| Price | not verified yet | $79.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | batteryjunction.com sourced |
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T1 Pro vs TC20 V3: how they differ
Size and weight
The ThruNite T1 Pro is the shorter light: 103 mm (4.06 in) against 125 mm (4.92 in), a difference of 22 mm (18%). At its widest point the ThruNite T1 Pro is 8 mm slimmer (27 vs 35 mm). Weights are published on different bases (ThruNite T1 Pro: 54 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 1,920 lm for the ThruNite T1 Pro, 146% more.
Battery
The ThruNite T1 Pro runs on a removable 18650 battery; the ThruNite TC20 V3 runs on a removable 21700 battery. For scale, a 18650 cell is about 18 × 65 mm and a 21700 about 21 × 70 mm (nominal).
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the ThruNite T1 Pro if you want a shorter light (22 mm shorter) and a slimmer profile (8 mm narrower). Choose the ThruNite TC20 V3 if you want more output (4,720 lm vs 1,920 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ ThruNite T1 Pro Check price ↗ ThruNite TC20 V3
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
T1 Pro vs TC20 V3 FAQ
Which is smaller, the ThruNite T1 Pro or the ThruNite TC20 V3?
The ThruNite T1 Pro is the shorter light: 103 mm (4.06 in) against 125 mm (4.92 in), a difference of 22 mm (18%). At its widest point the ThruNite T1 Pro is 8 mm slimmer (27 vs 35 mm). Weights are published on different bases (ThruNite T1 Pro: 54 g listed; ThruNite TC20 V3: 197 g with battery), so they are not directly comparable.
Which is brighter, the ThruNite T1 Pro or the ThruNite TC20 V3?
The ThruNite TC20 V3 is rated brighter: 4,720 lm maximum vs 1,920 lm for the ThruNite T1 Pro, 146% more.
Do the ThruNite T1 Pro and ThruNite TC20 V3 use the same battery?
The ThruNite T1 Pro runs on a removable 18650 battery; the ThruNite TC20 V3 runs on a removable 21700 battery. For scale, a 18650 cell is about 18 × 65 mm and a 21700 about 21 × 70 mm (nominal).
Compare ThruNite T1 Pro with similar lights
Compare ThruNite TC20 V3 with similar lights
More
Sources
- ThruNite T1 Pro: specs from manufacturer published specs as listed by batteryjunction.com. No verified price yet.
- ThruNite TC20 V3: specs from manufacturer published specs as listed by batteryjunction.com. Price $79.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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