Homemade Green LED Fishing Light How Long Will a 9v Battery Last?

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BLOCKLITE LED Flashlight 2 Pack, Compact for Easy Storage, Multi Purpose, 60+ Hour Run Time, 60 Lumens, Two 9V Batteries Included, for Indoor and Outdoor Use

Portable and Long-Lasting TypeC Interface 9V Battery for Multimeter, Microphone RC Helicopter, Metal Detector Walkie-Talkie - AliExpress

Fishing Light Attractor - DIY - Codrey Electronics

Is it possible to get a 9v battery to power an LED for a long time? - Quora

Firewatermarine 12V Maxx LED Green Underwater Submersible Night Fishing Light Crappie Shad

LED Fishing Light DIY

Firewatermarine 12V Maxx LED Green Underwater Submersible Night Fishing Light Crappie Shad