Comparison Console
Nitecore SRT7i vs Streamlight MegaStream USB
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Streamlight MegaStream USB stands out as the lightest option for weight, with about a 13% gap from the closest alternative. Nitecore SRT7i stands out as the cheapest option for retail price, with about a 12% gap from the closest alternative. Nitecore SRT7i stands out as the highest output option for max lumens, with about a 67% gap from the closest alternative.
Decision Signals
What stands out
Nitecore SRT7i stands out as the cheapest option for retail price, with about a 12% gap from the closest alternative.
Streamlight MegaStream USB stands out as the most expensive option for retail price, with about a 14% gap from the closest alternative.
Streamlight MegaStream USB stands out as the lightest option for weight, with about a 13% gap from the closest alternative.
Nitecore SRT7i stands out as the heaviest option for weight, with about a 14% gap from the closest alternative.
Streamlight MegaStream USB stands out as the lowest output option for max lumens, with about a 40% gap from the closest alternative.
Nitecore SRT7i stands out as the highest output option for max lumens, with about a 67% gap from the closest alternative.
Streamlight MegaStream USB stands out as the shortest runtime option for max runtime, with about a 98% gap from the closest alternative.
Nitecore SRT7i stands out as the longest runtime option for max runtime, with about a 6054% 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$129.95Cheapest
US$148Most expensive
Weight
175 g (6.17 oz)Heaviest
153 g (5.40 oz)Lightest
Length
163 mm (6.42 in)Longest
134 mm (5.28 in)Shortest
Output
Max lumens
3000 lmHighest output
1800 lmLowest output
Max candela
87500 cdHighest candela
26000 cdLowest candela
Beam distance
580 m (1903 ft)Highest
322 m (1056 ft)Lowest
Max runtime
48000 minLongest runtime
780 minShortest runtime
Power & durability
Battery type
Nitecore 21700i Li-ion battery (NL2150HPi 5000mAh)
SL-B34 rechargeable lithium-ion battery pack
Charging type
USB Type-C
USB-C charging port accessible without removing the battery
Rechargeable
Yes
Yes
IP rating
IP68
IPX7 waterproof to 1m for 30 minutes
Impact resistance
2 m (7 ft)
2 m (7 ft)
Material
Aero grade aluminum alloy with HA III military grade hard-anodized finish
Machined anodized aluminum alloy body with unbreakable polycarbonate lens
Use case profile
Best for
Law enforcementTactical operationsHuntingSearchHigh-risk patrols
Everyday carryOutdoor useHigh-lumen requirement
Common praise
High maximum brightness of 3000 lumensLong beam throw of 580 metersGood battery capacity with included 21700 5000mAh rechargeable batterySmart selector ring enables easy one-handed controlDurable build with IP68 waterproofing and 2m impact resistanceFast USB-C charging portMultiple user-friendly modes including strobe and turboEffective tail stand capability for safety
Compact size with high outputSmooth and focused beamConvenient USB-C charging without battery removalDurable machined aluminum buildLong runtime on low settings
Common complaints
Relatively heavy with battery at 175 gramsNo CR123A batteries included with adapter sold separatelySome users may find the size large for EDC
Charging port cover prone to opening accidentallyPocket clip not securely attachedHigh output can be too bright for close work
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