AGM vs Lithium Deep-Cycle: Which Suits Your Setup?
SUNCOAST BATTERIES & SOLAR
Choose the system, not just the chemistry.
Start with the decision that matters
AGM: assess the existing setup
An AGM replacement may suit an existing AGM charging system, but check the exact model, current limits and mounting requirements. Include its weight in your decision.
Lithium: assess the whole changeover
Compare the actual battery weight and permitted usable energy. Confirm every charging source, discharge limit and protection requirement before changing chemistry.
Three checks before you order
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How often will you use it?
List trips, days away from charging and daily loads. Compare manufacturer cycle data only with its stated test conditions; it is not a guaranteed service life.
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What will charge it?
Send the mains charger, DC-DC charger and solar-controller model numbers. A lithium setting alone does not establish compatibility with every lithium battery.
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What is the total cost?
Ask for battery, charger changes, mounting, protection and installation to be itemised. Compare suitable complete systems, not just the battery price.
Explore the range
Check the current product details and send us your application before choosing a model.
Questions before you buy
Is all rated capacity usable?
No. Use the exact manufacturer discharge limits and allow a reserve. There is no single usable-capacity percentage that applies to every AGM or lithium product.
Can a house battery start my vehicle?
Only if the exact product is approved for that starting application. This comparison concerns deep-cycle house batteries, not lithium starting batteries.
Can I keep my existing equipment?
Possibly. Send all model numbers and the battery-space dimensions. Compatibility must be checked before ordering.
Manufacturer references
Technical background; use the instructions for your exact equipment.
References open in a new tab.
AGM or lithium for your caravan? Start with the whole setup.
Bring these caravan details together so the battery options can be checked against your loads, charging equipment and available space.
- Caravan make/model and current battery label.
- Mains charger, DC-DC charger and solar-controller labels.
- Largest appliances, inverter and estimated daily energy.
- Battery-compartment dimensions and mounting position.
- Desired time away and expected charging opportunities.
Send what you know. Weโll help identify the details needed for an obligation-free quote.
Ready to narrow down your options?
Send the details above and your suburb for a clear quote. Product availability, delivery and any fitting need confirmation for your application.
Friendly help, flexible payment options and no pressure. Ask us for an obligation-free quote and letโs get your battery sorted. Afterpay and card payment on delivery available. Ask about options when booking. Afterpay eligibility and terms apply.