Battery Life Calculator — Real-World Battery Estimation
Estimate battery life based on your shooting style, camera type and pace to plan how many batteries you need.
From camera specs
How heavily you use the camera
DSLR or mirrorless
Your typical shooting pace
Batteries you have available
How We Calculate This
This calculator adjusts the manufacturer CIPA rating based on your shooting style:
Real-World Shots
Real shots = rated shots x style multiplier
Shooting Duration
Hours = real shots / shots per hour
Batteries Needed
Batteries = ceiling(shoot duration / hours per battery)
Frequently Asked Questions
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Last updated: February 2026
All calculations are estimates based on standard optical and photographic formulas. Results may vary with specific equipment.