🔋 Battery Runtime Calculator for Bowfishing Lights
Build your perfect setup—starting with power.
If you’re unsure what size battery you need for your bowfishing lights, how long your current setup will run, or how much wattage you’re drawing—this calculator is for you.
🎯 What This Calculator Does
We created this tool to make battery planning easier. Just input any two of the following values:
- Total Wattage of Lights
- Battery Amp Hours (Ah)
- Approximate Runtime (in hours)
- Battery Voltage (12V, 24V, or 36V)
We’ll instantly calculate the missing piece of your setup.
✅ Want to know how long your battery will last?
✅ Need to figure out what size battery to buy?
✅ Trying to reverse-engineer how much power your rig is using?
You’re in the right place.
Battery Runtime Calculator for Bowfishing Lights
📈 Why Battery Planning is a Game Changer
When you’re hours into a night of bowfishing, the last thing you want is a dead battery. Planning your battery setup ensures:
- Longer nights on the water
- Brighter, more consistent light performance
- Peace of mind knowing your gear is dialed in
This calculator is a tool we wish we had years ago—and now, it’s yours.

💡 Make the Switch to Lithium
Once you try lithium, you won’t go back.
With prices dropping fast, there’s never been a better time to upgrade.
We’re proud to partner with LiTime, a reliable and affordable lithium battery brand we’ve personally used and recommended for over two years. Our customers have had nothing but positive experiences—and now you can too.
👉 Explore LiTime Batteries
🎁 Use code EFISHNSEE2025 at checkout for an exclusive discount.