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Home  > Products  > Outdoor Lights  > Bicycle Lights  > Bicycle Tail Light  > SUPERFIRE BTL13-A/B Bicycle Tail Light
SUPERFIRE BTL13-A/B Bicycle Tail Light
With smart brake sensing(BTL13-B), auto on/off, multiple lighting modes, IP54 protection, over 50-meter visibility and up to 20-hour battery life
Lamp core power 2.5W
Light color Red
Visible distance > 50m
Battery life 3-15H / 5-20H
Charging time 4.5 hours
Battery14500 3.7V 500mAh
Protection level IP54
Product size 70×36×48mm
Material PC&ABS
Net weight 50g


The BTL13-A/B Bicycle Tail Light is an innovative and intelligent lighting solution designed to enhance cycling safety. With its smart brake sensing technology, auto on/off feature, and multiple lighting modes, this compact tail light provides superior visibility and adaptability for various riding conditions. Offering IP54 water resistance, a visibility range of over 50 meters, and an impressive battery life of up to 20 hours, the BTL13 series ensures you stay visible and safe on your rides.


  • Smart brake sensing: Automatically intensifies light output when braking

  • Auto on/off: Light turns off after 15 seconds of inactivity and reactivates with motion

  • Multiple lighting modes: 5 modes for BTL13-A, 6 modes for BTL13-B including steady, flashing, and breathing options

  • Mode memory function: Remembers the last used lighting mode

  • Charging indicator: Breathing light during charging, turns off when fully charged

  • Long battery life: Up to 15 hours (BTL13-A) or 20 hours (BTL13-B) depending on the mode

  • Easy operation: Long press to turn off, short press to cycle through modes

  • Durable construction: PC engineering plastic body with IP54 water resistan

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ParameterBTL13-ABTL13-B
ModelBTL13-ABTL13-B
LED Power2.5W2.5W
Light ColorRedRed
Visibility Range>50 meters>50 meters
Runtime3-15 hours5-20 hours
InputDC 5V/0.5ADC 5V/0.5A
Charging TimeApprox. 4.5 hoursApprox. 4.5 hours
Battery3.7V 500mAh/14500 Li-ion3.7V 500mAh/14500 Li-ion
Waterproof RatingIP54IP54
Lighting Modes5 modes: Steady, Fast Flash, Slow Flash, Warning Flash, Breathing Flash6 modes: Steady, Fast Flash, Slow Flash, Warning Flash, Breathing Flash, Running Light
Special FeaturesMode memory, Brake sensing, Auto on/offMode memory, Brake sensing, Auto on/off

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