Fenix LD12R vs Nitecore EDC31 size comparison
The Nitecore EDC31 is 8 mm (0.31 in) shorter than the Fenix LD12R, and 1 mm wider at its widest point. It is 26 g heavier (with battery).
The Nitecore EDC31 is 8 mm (0.31 in) shorter than the Fenix LD12R, and 1 mm wider at its widest point. It is 26 g heavier (with battery).
Dimensions
| Fenix LD12R Check price ↗ | Nitecore EDC31 Check price ↗ | |
| Length | 121 mm (4.76 in) | 113 mm (4.45 in)−8 mm |
| Head / width | 22 mm (0.87 in) | 23 mm (0.91 in)+1 mm |
| Body | 19 mm (0.75 in) | 23 mm (0.91 in)+4 mm |
| Weight | 74 g with battery | 100 g with clip+26 g |
| Battery | 14500 | Built-in |
| Max output | 600 lm | 3,500 lm |
| Throw | 186 m | 380 m |
| Type | EDC | EDC |
| Price | $59.95 at fenixlighting.com, as of Nov 4, 2026 | $54.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | batteryjunction.com sourced Maker page: 4.46 in, head 0.91 in, tube 0.89 in, 3.53 oz with clip |
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LD12R vs EDC31: how they differ
Size and weight
The Nitecore EDC31 is the shorter light: 113 mm (4.45 in) against 121 mm (4.76 in), a difference of 8 mm (7%). At its widest point the Fenix LD12R is 1 mm slimmer (22 vs 23 mm). The Fenix LD12R is 26 g lighter (74 g vs 100 g, with battery).
Brightness and throw
The Nitecore EDC31 is rated brighter: 3,500 lm maximum vs 600 lm for the Fenix LD12R, 483% more. For beam distance the Nitecore EDC31 reaches further: 380 m vs 186 m rated throw (104% more).
Battery
The Fenix LD12R runs on a removable 14500 battery; the Nitecore EDC31 runs on a built-in rechargeable battery. Only the Fenix LD12R lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Fenix LD12R was $59.95 at fenixlighting.com and the Nitecore EDC31 $54.95 at batteryjunction.com, so the Nitecore EDC31 cost $5.00 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 Fenix LD12R if you want less weight (26 g lighter) and a removable cell you can swap. Choose the Nitecore EDC31 if you want a shorter light (8 mm shorter), more output (3,500 lm vs 600 lm), longer throw (380 m vs 186 m) and a built-in battery with no separate cell to buy. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix LD12R Check price ↗ Nitecore EDC31
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LD12R vs EDC31 FAQ
Which is smaller, the Fenix LD12R or the Nitecore EDC31?
The Nitecore EDC31 is the shorter light: 113 mm (4.45 in) against 121 mm (4.76 in), a difference of 8 mm (7%). At its widest point the Fenix LD12R is 1 mm slimmer (22 vs 23 mm). The Fenix LD12R is 26 g lighter (74 g vs 100 g, with battery).
Which is brighter, the Fenix LD12R or the Nitecore EDC31?
The Nitecore EDC31 is rated brighter: 3,500 lm maximum vs 600 lm for the Fenix LD12R, 483% more. For beam distance the Nitecore EDC31 reaches further: 380 m vs 186 m rated throw (104% more).
Which is cheaper, the Fenix LD12R or the Nitecore EDC31?
When we checked on Nov 4, 2026, the Fenix LD12R was $59.95 at fenixlighting.com and the Nitecore EDC31 $54.95 at batteryjunction.com, so the Nitecore EDC31 cost $5.00 less. Prices change often, so check the current price before you buy.
Do the Fenix LD12R and Nitecore EDC31 use the same battery?
The Fenix LD12R runs on a removable 14500 battery; the Nitecore EDC31 runs on a built-in rechargeable battery. Only the Fenix LD12R lets you swap in a charged spare.
Compare Fenix LD12R with similar lights
Compare Nitecore EDC31 with similar lights
More
Sources
- Fenix LD12R: specs from Fenix product page (manufacturer). Price $59.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Nitecore EDC31: specs from manufacturer published specs as listed by batteryjunction.com. Price $54.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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