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Product manuals
Installation, charging, and care guides for every Astro Lithium battery and charger. View online or download a PDF.
Marine batteries
Marine battery owner's manual
Installation, charging, series and parallel wiring, NMEA and Bluetooth setup, storage, and troubleshooting.
Golf cart batteries
Golf cart battery owner's manual
Installation, charging, and care for Astro Lithium golf cart batteries.
Chargers
Single Bank Chargers
Multi-Bank Chargers Manual
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Covered for eight full years
Every Astro Lithium battery carries our 8-year full replacement warranty.