AcebeamFlashlight
Acebeam T37
Acebeam T37 is a flashlight released in 2025. Key specs: maximum output 4,000 lm, beam distance (ANSI FL1) 440 m, peak beam intensity 48,400 cd, maximum runtime 72 h.
9.0Score
Brightness & throw8.3
Battery & charging7.1
Build & durability8.2
Light quality8.1
Features5.9
price range$115–145
- Year
- 2025
- Type
- Flashlight
- Brand
Acebeam- Popularity
- #923 of 1,338
4,000 lmMaximum output
440 mBeam distance (ANSI FL1)
48,400 cdPeak beam intensity
72 hMaximum runtime
21700 Li-ionBattery
IPx8Water protection (IPx)
Spec guide
How it ranks among flashlights of 2025
Maximum output · 4,000 lmTop 7%Beam distance (ANSI FL1) · 440 mTop 12%Peak beam intensity · 48,400 cdTop 18%Maximum runtime · 72 hTop 39%Water protection (IPx) · IPx8Top 34%
Compared with flashlights released in 2025. Bars show the share of models it beats.
compared with other flashlights
Why is T37 a good choice?
Maximum output: 4,000 lmbetter than 83% of flashlights
Beam distance (ANSI FL1): 440 mbetter than 72% of flashlights
Specifications
Full specifications
Light output
- Maximum output
- 4,000 lm
- Peak beam intensity
- 48,400 cd
- Beam distance (ANSI FL1)
- 440 m
LED & beam
- Colour temperature
- 6,500K
Battery & charging
- Battery
- 21700 Li-ion
- Maximum runtime
- 72 h
- Rechargeable
- Yes
- USB-C charging
- Yes
Build & durability
- Protection rating
- IP68
- Water protection (IPx)
- IPx8
Modes & features
- Brightness levels
- 5
- Switch
- Tail switch, Rotary / scroll wheel
- Strobe
- Yes
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
In collections
Flashlights — Battery: 21700 Li-ion + maximum runtime from 50 h70Flashlights — Maximum output from 3,000 lm + Battery: 21700 Li-ion75Flashlights — Beam distance (ANSI FL1) from 300 m + Battery: 21700 Li-ion75Flashlights — Battery: 21700 Li-ion + water protection (IPx) from IPx879Flashlights: Maximum output from 3,000 lm + maximum runtime from 50 h82Flashlights: Maximum output from 3,000 lm + water protection (IPx) from IPx886Flashlights — Battery: 21700 Li-ion93Flashlights — Battery: 21700 Li-ion + USB-C charging93
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