Streamlight 90641
Knucklehead Light Alkaline Model - Black Grip

  • Black Alkaline Model
  • Engineered optics feature dual parabolic reflectors within a larger textured reflector optimizing light on target in conjunction with an overall smooth flood pattern
  • Shockproof dual C4® premium LED technology delivers 200 lumens
  • Dual power source: accepts rechargeable NiCd battery pack or 4 "AA" alkaline batteries
  • Rubber dome push-button actuator is easy to operate even when wearing heavy gloves
  • Removable magnet with 135 lb pull strength features a replaceable rubber boot
  • Optimized electronics provide regulated intensity
  • High-impact, super-tough nylon polymer construction for exceptional durability
  • 2 meter impact-resistance tested
  • IPX4 rated for water-resistance
  • Serialized for positive identification
  • 9.2 in. (23.4 cm); NiCd 23.1 oz (655 grams); Alkaline 18.3 oz (519 grams)
  • Limited lifetime warranty

4 Lighting modes:

  • High – 1150 candela peak beam intensity, 200 Lumens, 3.5 hour runtime
  • Low – 350 candela peak beam intensity, 63 lumens, 16 hour runtime
  • Moonlight – 20 day runtime
  • Flash – 8 hour runtime
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Streamlight 90641 Shown
Product Information
Datasheet 277 KB PDF
Manual 166 KB PDF
PDF HelpPDF Help

Streamlight 90641 Knucklehead Alkaline model is designed to put light where you need it, the Knucklehead is the most versatile light you’ll ever own.

The 90641 features a removable storable hook to ensure a safer, “hands-free,” more productive workplace by allowing the user to attach it to a metal surface (such as the hood of a car, or hang it to use as a drop light) The 90641 can also stand on its own or be laid on its side; and with a 210 degree articulating head that rotates 360 degrees you can direct the light where you need it. The 90641 Knucklehead is a super versatile C4 LED flashlight.

The 90641 Knucklehead features 2 LEDs that won’t break or burn out so you’ll never have to change a bulb. And you’ll always have the power you need since it runs on either the rechargeable Cd battery pack or 4 “AA” alkaline batteries.

Ordering Information
Model Description Buy Now Price
90641 Streamlight 90641 Knucklehead Light Alkaline Model - Black Grip Buy Now Sale $92.13
(Reg. $148.95)
Included Accessories
  • 4 - AA Alkaline batteries
Optional Accessories
90011 Streamlight 90011 AC Fast Charger (Includes Holder) (Survivor) Buy Now Sale $56.86
(Reg. $73.54)
90012 Streamlight 90012 DC #1 Fast Charger (Includes Holder) (Survivor) Buy Now Sale $56.86
(Reg. $73.54)
90013 Streamlight 90013 DC #2 Fast Charger (Includes Holder) (Survivor) Buy Now Sale $56.86
(Reg. $73.54)
90116 Streamlight 90116 SURV SMART CHARGER Buy Now $37.51
90400 Streamlight 90400 Bank Charger (SC) 120V AC Buy Now Sale $370.91
(Reg. $479.70)
90401 Streamlight 90401 Bank Charger DC Buy Now Sale $332.25
(Reg. $429.70)
90130 Streamlight 90130 Battery Pack Assembly (Blue Sleeve, NiCd Battery) (Survivor LED) Buy Now Sale $43.53
(Reg. $56.31)
90338 Streamlight 90338 Battery Pack Assembly (Black Sleeve, NiCd Battery) (Survivor, Survivor LED Div 2) Buy Now Sale $43.53
(Reg. $56.31)
90542 Streamlight 90542 LED alkaline battery pack (no batteries included - container only) Buy Now Sale $4.49
(Reg. $5.99)