Suncoast Batteries
520AH 6V AGM Deep Cycle Battery Suncoast VE
520AH 6V AGM Deep Cycle Battery Suncoast VE
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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.
Why Choose This 6V AGM?
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.
Buy With Confidence
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