Pack Energy and Travel Limits Calculator
How many Wh is your pack, and can it fly?
Many packs print the Wh on the label. If not, Wh = volts × amp-hours. Everything is worked out in your browser. Nothing is saved or sent anywhere.
1. Your pack
The nominal voltage on the label.
2. Results
How it was worked out
What this does and doesn't tell you
- Airline and freight rules change and differ between carriers. Always check before you travel or post batteries.
- Spare lithium batteries usually must go in carry-on, not checked bags, with the terminals protected.
- Lithium-ion tool packs can short, overheat and catch fire if they're damaged, wired wrongly or charged on the wrong charger. Only use the maker's charger for the pack.