ThruNite TC20 V3 vs ThruNite TN12 V6 size comparison
The ThruNite TN12 V6 is 9 mm (0.35 in) longer than the ThruNite TC20 V3, and 8 mm narrower at its widest point. Weights are published on different bases (listed (battery unspecified) vs with battery), so compare them with care.
The ThruNite TN12 V6 is 9 mm (0.35 in) longer than the ThruNite TC20 V3, and 8 mm narrower at its widest point. Weights are published on different bases (listed (battery unspecified) vs with battery), so compare them with care.
Dimensions
| ThruNite TC20 V3 Check price ↗ | ThruNite TN12 V6 Check price ↗ | |
| Length | 125 mm (4.92 in) | 134 mm (5.28 in)+9 mm |
| Head / width | 35 mm (1.38 in) | 27 mm (1.06 in)−8 mm |
| Body | 28 mm (1.10 in) | 24 mm (0.94 in)−4 mm |
| Weight | 197 g with battery | 88 g listed (battery unspecified) |
| Battery | 21700 | 18650 |
| Max output | 4,720 lm | 1,950 lm |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $79.95 at batteryjunction.com, as of Nov 4, 2026 | $39.99 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | batteryjunction.com sourced |
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TC20 V3 vs TN12 V6: how they differ
Size and weight
The ThruNite TC20 V3 is the shorter light: 125 mm (4.92 in) against 134 mm (5.28 in), a difference of 9 mm (7%). At its widest point the ThruNite TN12 V6 is 8 mm slimmer (27 vs 35 mm). Weights are published on different bases (ThruNite TC20 V3: 197 g with battery; ThruNite TN12 V6: 88 g listed (battery unspecified)), so they are not directly comparable.
Brightness and throw
The ThruNite TC20 V3 is rated brighter: 4,720 lm maximum vs 1,950 lm for the ThruNite TN12 V6, 142% more.
Battery
The ThruNite TC20 V3 runs on a removable 21700 battery; the ThruNite TN12 V6 runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Price
When we checked on Nov 4, 2026, the ThruNite TC20 V3 was $79.95 at batteryjunction.com and the ThruNite TN12 V6 $39.99 at batteryjunction.com, so the ThruNite TN12 V6 cost $39.96 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the ThruNite TC20 V3 if you want a shorter light (9 mm shorter) and more output (4,720 lm vs 1,950 lm). Choose the ThruNite TN12 V6 if you want a slimmer profile (8 mm narrower). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ ThruNite TC20 V3 Check price ↗ ThruNite TN12 V6
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
TC20 V3 vs TN12 V6 FAQ
Which is smaller, the ThruNite TC20 V3 or the ThruNite TN12 V6?
The ThruNite TC20 V3 is the shorter light: 125 mm (4.92 in) against 134 mm (5.28 in), a difference of 9 mm (7%). At its widest point the ThruNite TN12 V6 is 8 mm slimmer (27 vs 35 mm). Weights are published on different bases (ThruNite TC20 V3: 197 g with battery; ThruNite TN12 V6: 88 g listed (battery unspecified)), so they are not directly comparable.
Which is brighter, the ThruNite TC20 V3 or the ThruNite TN12 V6?
The ThruNite TC20 V3 is rated brighter: 4,720 lm maximum vs 1,950 lm for the ThruNite TN12 V6, 142% more.
Which is cheaper, the ThruNite TC20 V3 or the ThruNite TN12 V6?
When we checked on Nov 4, 2026, the ThruNite TC20 V3 was $79.95 at batteryjunction.com and the ThruNite TN12 V6 $39.99 at batteryjunction.com, so the ThruNite TN12 V6 cost $39.96 less. Prices change often, so check the current price before you buy.
Do the ThruNite TC20 V3 and ThruNite TN12 V6 use the same battery?
The ThruNite TC20 V3 runs on a removable 21700 battery; the ThruNite TN12 V6 runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Compare ThruNite TC20 V3 with similar lights
Compare ThruNite TN12 V6 with similar lights
More
Sources
- 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.
- ThruNite TN12 V6: specs from manufacturer published specs as listed by batteryjunction.com. Price $39.99 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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