Comparison Console
Nitecore TM12K vs Nitecore TM39
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Nitecore TM12K stands out as the lightest option for weight, with about a 83% gap from the closest alternative. Nitecore TM12K stands out as the cheapest option for retail price, with about a 64% gap from the closest alternative. Nitecore TM12K stands out as the highest output option for max lumens, with about a 131% gap from the closest alternative.
Decision Signals
What stands out
Nitecore TM12K stands out as the cheapest option for retail price, with about a 64% gap from the closest alternative.
Nitecore TM39 stands out as the most expensive option for retail price, with about a 178% gap from the closest alternative.
Nitecore TM12K stands out as the lightest option for weight, with about a 83% gap from the closest alternative.
Nitecore TM39 stands out as the heaviest option for weight, with about a 484% gap from the closest alternative.
Nitecore TM39 stands out as the lowest output option for max lumens, with about a 57% gap from the closest alternative.
Nitecore TM12K stands out as the highest output option for max lumens, with about a 131% gap from the closest alternative.
Nitecore TM39 stands out as the shortest runtime option for max runtime, with about a 82% gap from the closest alternative.
Nitecore TM12K stands out as the longest runtime option for max runtime, with about a 456% gap from the closest alternative.
Specification Profile
Relative dimensions at a glance
Each axis is normalized against the largest raw value among the products in this comparison. Farther outward means a larger value, not necessarily a better result. Axes with an unverified value are omitted.
Price & carry
Retail price
US$180Cheapest
US$499.95Most expensive
Weight
233 g (8.22 oz)Lightest
1361 g (48.01 oz)Heaviest
Length
110 mm (4.33 in)Shortest
276 mm (10.87 in)Longest
Output
Max lumens
12000 lmHighest output
5200 lmLowest output
Max candela
18000 cdLowest candela
562500 cdHighest candela
Beam distance
268 m (879 ft)Lowest
1500 m (4921 ft)Highest
Max runtime
12000 minLongest runtime
2160 minShortest runtime
Power & durability
Battery type
Built-in rechargeable 21700 Li-ion battery 4800mAh
NBP68 HD rechargeable battery pack (98Wh, 3400mAh x8, 3.7V)
Charging type
USB-C with QC 3.0 and QC 2.0 support
Built-in charging port via AC adapter (3.5mm)
Rechargeable
Yes
Yes
IP rating
IP54
IP68 (up to 2m submersible)
Impact resistance
1 m (3 ft)
1 m (3 ft)
Material
Aerospace-grade aluminum alloy with HA III hard-anodized black matte finish, stainless steel bezel
Aviation grade aluminum alloy with Military grade HA III hard anodized finish
Use case profile
Best for
Tactical & Law EnforcementUtility & Infrastructure WorkPreparedness & Emergency Kits
Search and rescueHuntingExplorationLong-range illumination
Common praise
Very high output brightness and beam distance for sizeCompact and lightweight designDurable aerospace-grade aluminum body with hard anodized finishFast USB-C charging with QC supportCustomizable high mode and OLED real-time display
Extremely powerful beam with impressive long throwDurable build with waterproof and impact resistanceUser-friendly double-button interface with OLED displayLong runtime on lower modes with included large battery pack
Common complaints
Turbo mode limited to 6-7 seconds to prevent overheatingBeam distance is moderate for the lumen output due to flood-style beamBattery built-in, not user-replaceable
Large size and weight limits portability for everyday carryHigher brightness modes have shorter runtimePremium price point
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