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Suncoast Batteries

Suncoast VE 520AH 6V AGM Deep Cycle Battery

Name: Suncoast VE 520AH 6V AGM Deep Cycle Battery
Brand: Suncoast Batteries
SKU: VE6V520AH
Price: 589.95 AUD
Availability: InStock

$589.95 AUD

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Suncoast VE Premium 520Ah 6V AGM Deep Cycle Battery

High-Capacity Battery Energy Storage for Off-Grid & Renewable Power Systems

The Suncoast VE 6V 520Ah AGM Deep Cycle Battery is built for serious energy storage — ideal for solar battery banks, backup power, and remote installations. AGM technology delivers reliable deep-cycle performance, low internal resistance for efficient charging, and low self-discharge for storage and seasonal use.

Fully sealed and maintenance-free, the impact-resistant ABS case and heavy-duty terminals help it withstand vibration, shocks, and harsh conditions making it a strong choice for marine, caravan/RV, and off-grid power setups.

520Ah Capacity 6V AGM BatteryUp to 20-Year Float Design

Why Choose This 6V AGM?

520AhMassive capacity

AGMSealed, no spills

5YR Warranty*Industry Leading

20 YearsDesign float life

≤ 3%Self-discharge / month

M8Terminal type

< 80AMax charge current

ABSImpact-resistant case

Important: This is a deep-cycle storage battery (not designed for engine cranking / starting).

Perfect For

Off-grid solar battery banks (cabins, sheds, remote homes)
Backup power systems (inverters, essential loads)
Telecom, monitoring, and remote infrastructure sites
Marine house banks and sealed-install environments
RV & caravan house systems (larger setups)
Industrial & commercial storage banks

Technical Specifications

Specification	Details
Nominal Voltage	6V
Nominal Capacity	520Ah
Design Floating Life	Up to 20 years
Cycle Life	1600+ cycles @ 50% DOD
Terminal Type	M8
Max Charge Current	< 80A
Terminal Torque	6.6 – 8.3 N·m
Case Material	ABS
Self-Discharge @ 25°C	≤ 3% per month
Charging Voltage (Float)	6.8V – 6.9V
Charging Voltage (Cycle)	7.2V – 7.45V

Temperature Ranges

Charge: -25°C to 60°C

Discharge: -25°C to 60°C

Storage: -25°C to 60°C

System Configuration

12V: 2 batteries in series

24V: 4 batteries in series

48V: 8 batteries in series

Can be run in series or parallel to scale voltage and capacity.

Warranty, Delivery & Care

Tap a section below. If you’re unsure about system setup, call or message us and we’ll help.

Why 6V (and why it lasts longer)

Thicker plates: 6V deep-cycle batteries typically use thicker lead plates, which helps durability under deep discharge.
Better cycling: Designed for repeated charge/discharge in solar and backup systems.
Build higher voltages: 6V units are ideal building blocks for 12V / 24V / 48V banks.
Common off-grid standard: Widely used in serious battery bank designs for long-life storage.

Warranty (5-Year Pro-Rata)

Suncoast VE / AGM Batteries: 5 years pro-rata warranty (terms apply).

Please include with any claim:

Detailed description of the issue
Photos of the product installed/in use
Images of shipping damage (if applicable)
Proof of purchase

Note: Shipping costs for warranty returns are the customer’s responsibility and may be refunded if the item is confirmed faulty.

Australian Consumer Law: Warranty is in addition to your rights under ACL.

Warranty Exclusions

Incorrect installation or usage
Physical damage (drops, fire, impact)
Water/chemical exposure beyond rated levels
Overcharging or excessive deep discharging
Unauthorised repairs or modifications

Important: Installations should be completed by a licensed electrician/technician where required.

Delivery & Local Service

Fast local delivery available on the Sunshine Coast (where applicable).
Ask about our installer network and recommended system setup support.
Regional/remote deliveries vary by carrier and location.

Returns & Change of Mind

Change-of-mind returns are generally accepted when unused, uninstalled, and in original condition.
Contact us before returning so we can confirm eligibility and process quickly.
If there’s a fault, we’ll guide you through the warranty process.

Charging & Storage Tips

Use a charger compatible with AGM batteries.

Keep batteries fully charged when not in use.

Keep terminals clean and connections tight.

For storage, charge monthly and store in a cool, dry place.

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