Frisco E-Bike
Electric bicycle parked on a sidewalk

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E-Bike Lights

Wired E-Bike LED Headlight, 12–80V Input (generic)

A headlight wired to the main battery never needs charging, and the wide-input versions (commonly rated 12–80V DC) work on 36V, 48V and 52V systems without a converter. Most come with a 2-pin lead for the controller's light output or a direct battery connection, a fork-crown or handlebar bracket, and some include a horn button. The good ones have a proper cutoff beam so you do not blind oncoming traffic; the cheap ones are floodlights. Check the connector on your bike's light lead (often a 2-pin Julet) and whether your display can switch the light.

Bikes with a light output on the controller or displayCommuters who forget to charge USB lightsConversion builds adding lighting

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Key considerations

  • Confirm the input voltage range covers your pack
  • If wiring direct to the battery, add a fuse and a switch
  • Connector type on your bike's light lead (Julet 2-pin is common)
  • Check beam pattern; a cutoff beam is better on shared paths

Pros

  • Always powered
  • Wide voltage range
  • Often includes mounting hardware

Considerations

  • Wiring required
  • Beam quality varies
  • Drains the main pack slightly

Compatibility notes

  • 36V–52V systems within the light's published input range; controller light output or direct battery with a fuse — connector must be matched

Goes well with

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E-Bike Lights

Wired E-Bike Tail Light with Brake Signal, 36V/48V (generic)

Wired tail lights are common original equipment on rack-equipped e-bikes and simple to replace. They mount to the rear rack's standard light tab (or a seat stay bracket), run on the main pack via a 2-pin lead, and the better ones flash brighter when you brake using the brake-sensor signal. Generic units are sold rated for 36V/48V or a wide 12–80V range; check which your bike needs and how many wires the original used (2-wire power only vs 3-wire with brake input). A rack-mount light sits low and is easily blocked by panniers, so keep it visible.

Best for: Replacing a broken OEM rack tail light · Adding a brake light to a bike with brake sensors · Conversion builds with a wired headlight

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Electric bike handlebar and display detail
Connectors & Plugs

Julet Waterproof Connector Set, 2/3/4/5/6-Pin Pigtails (generic)

Julet (and the near-identical Higo) round waterproof connectors are the signal plugs used across kit bikes for throttles, brake sensors, PAS, displays and lights. A pigtail set gives you male and female leads with short wire tails in the common pin counts, so you can re-terminate a component that came with bare wires or splice in a matching plug after a connector breaks. They are not crimp-it-yourself connectors; you solder or crimp the wire tails to your component, then heat-shrink. Match the pin count and gender to the plug on the other side.

Best for: Re-plugging a throttle, brake or PAS lead with a broken connector · Adapting bare-wire components to a Julet harness · Kit builders keeping a selection on hand

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