lithium, engineered
Lithium power, built for land and sea.
NMEA 2000 and Bluetooth monitoring in every marine battery, backed by a true 8-year full replacement warranty.
8-Year Full Replacement Warranty
No pro-rated fine print, ever.
NMEA 2000 Built In
Battery data on your helm display.
Bluetooth Monitoring
Live state of charge in the app.
100% U.S. Based Company
Locally owned and operated in Florida.
Shop by what you run
Find the right battery
Most people do not shop by voltage. Tell us what you run and we will point you to the right battery.
On the water
See it in the wild
Real boats, real installs, real dealers. Tag us and you might show up here.
Buy local
Buy from a dealer who knows your setup
Most Astro customers buy through a trusted local dealer who can recommend the right battery, handle the install, and stand behind it close to home. We would rather send you to them.
- Expert install by people who know the product
- Honest advice on the right battery for your setup
- Warranty and support close to home
No dealer near you yet? Order factory-direct
Smart power
Always know where your batteries stand
Every Astro marine battery streams live data over Bluetooth and onto your NMEA 2000 network, so state of charge shows up in our app and right on your helm display.
- Bluetooth monitoringLive state of charge, voltage, and temperature in the app.
- NMEA 2000 built inBattery data on the same screen as your sonar and chartplotter.
- 8-year full replacement warrantyNo pro-rated fine print.