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Giantz 12V 25Ah Deep Cycle AGM Rechargeable Battery with Portable Box

$8600 $10799
Giantz  |  SKU: BATTERY-C-AGM-25

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Description

Giantz 12V 25Ah Deep Cycle AGM Battery with Portable Box – Compact, Reliable Power for Off-Grid and Portable 12V Setups

The Giantz 12V 25Ah Deep Cycle AGM Battery with Portable Box is a dependable power solution for anyone running 12V appliances off the grid, on the road, or on the water.

Built with AGM deep cycle technology, it’s ideal for 4WDs, camper trailers, caravans, boats, or off-grid setups that need reliable power without the hassle of maintenance.

This battery delivers steady output and handles frequent recharging with ease, up to 1400 cycles at 30% depth of discharge.

It’s designed for deep cycling, so it keeps powering lights, fridges, pumps and more, day after day.

The sealed, maintenance-free design makes it safe to use in enclosed spaces. It won’t leak, spill, or release gas, which means it suits mobile and remote setups just as well as fixed systems at home or in the shed.

The included battery box helps protect the unit while also making it easy to transport or store when you’re on the go.

With bolt-down terminals for secure connections and a built-in carry handle, this compact battery is simple to install and move.

Whether it’s for a weekend away or a longer off-grid stay, it’s a practical choice for those who want no-fuss, reliable 12V power.

Infographic showcasing Innovative AGM Technology with cross-section battery diagrams and feature highlights like maintenance-free and spill-proof design.

Features and Benefits:

  • AGM deep cycle battery designed for long-lasting 12V power
  • Up to 1400 cycles at 30% DOD for dependable, repeat use
  • Fully sealed and maintenance-free for safe, clean operation
  • Spill-proof and non-gassing—safe in enclosed areas like vans and boats
  • Compact design with integrated carry handle
  • Bolt-down terminals for quick and secure connections
  • Performs well in a range of temperatures and environments
  • Supplied with a durable battery box for added protection

What’s in the Box:

  • 1 x Giantz Deep Cycle Battery
  • 1 x User Manual

Specifications

  • Capacity
    25Ah (10-hour rate)
  • Technical Specifications
    Nominal Voltage: 12V

    Cycle Life: 1400 cycles at 30% DOD

    Maximum Discharge Current: 660A (5 seconds)

    Charge Current: Max 13.8A

    Operating Temperature:
    Discharge: -15°C to 50°C
    Charge: -20°C to 50°C
    Storage: -20°C to 50°C

    Charging Voltage:

    Float Charge: 13.5 to 13.8V

    Equalise Charge: 13.8 to 14.1V

    Cycle Charge: 14.4 to 15.0V

    Self-Discharge Rate: Approximately 3% per month at 25°C
  • Weight
    5.8kg
  • Dimensions
    L x W x H:
    180mm x 76mm x 165mm
  • Material
    ABS
  • Colour
    Grey
  • Warranty
    1-Year Warranty
  • Material
    ABS

Delivery

All orders are shipped from Australia with fast shipping from trusted couriers & order tracking notifications sent via SMS and email.

Complementary shipping insurance included at no extra cost.

Orders processed and shipped out in 1-3 business days

Delivered via courier 3-10 days

Pickup unavailable for this product

View our shipping policy for full delivery details.

Our customer support team is here to help with any delivery concerns.

Finance Options

Purchases up to $2,000

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Lifetime Support

Eco Off Grid customers get free lifetime product support from our experts.

Need help? Call us anytime 1300 676 523

Giantz 12V 25Ah Deep Cycle AGM Rechargeable Battery with Portable Box Reviews

Frequently Asked Questions

How long will the Giantz 12V 25Ah Deep Cycle Battery last on a single charge?

The duration of a single charge depends on the power requirements of your connected devices. For instance, this 25Ah battery can run a 25W device for approximately 12 hours before needing a recharge. As a deep cycle battery with up to 1400 cycles at 30% depth of discharge (DOD), it is designed for long-term use, providing consistent power even with frequent recharging.

Can this battery be used in cold or hot environments?

Yes, the Giantz 12V 25Ah Deep Cycle Battery is designed for a wide range of temperatures. It can safely operate between -15°C and 50°C for discharging and -20°C to 50°C for charging, making it suitable for both cold and warm climates. Keep in mind that extreme temperatures may affect battery performance, so it’s ideal to store and operate it within the recommended range.

Is the Giantz Deep Cycle Battery safe and maintenance-free?

Yes, the Giantz battery uses advanced AGM (Absorbent Glass Mat) technology, which makes it completely sealed, spill-proof, and non-gassing, providing a maintenance-free experience. Its design also ensures high oxygen-recombination efficiency and deep discharge recovery, offering you a safe and reliable power source with no need for ongoing upkeep.

What is your returns policy?

We know how crucial it is to find the perfect products for your access needs. To ensure you shop confidently, we proudly offer 100-day Free Returns on eligible products. 

If you need to return your product, we'll organise and cover the return shipping costs across Australia without any restocking fees or hidden costs.

You'll have the option for a store credit, a full refund, or an exchange when the returned products meet the return criteria:

  •  The products cannot be used, damaged or modified and must be returned in the original packaging materials.
  •  Some products, such as almost new, made-to-order, installed, and custom-made products, aren't eligible for return.
  •  The 100-Day period begins from the day that your order is delivered or picked up.
  •  Only valid for the original purchaser.
  •  Only valid for online sales via ecooffgrid.com.au.
  •  Refunds, store credits or item swaps apply only to the cost of the products. Installation fees and original shipping costs will not be refunded.

Find our more by visiting our Refund Policy page.

How long will it take to receive my order?

We understand your eagerness to start your eco-friendly journey. That's why we endeavor to dispatch your order within 24 hours, business efficiency at its best. A confirmation email, complete with tracking details, will follow, allowing you to monitor your package's progress towards its new sustainable home.

What is the warranty on Giantz items?

Eco Off Grid only works with well-known, industry-leading manufacturers such as Giantz. All products come with a minimum 12-month warranty.

Minor scratches and blemishes may be visible upon receipt of your item. However, if the item is delivered damaged please contact us immediately.

How can I learn more?

Here are some hand selected articles we think you'll find useful:

Or if you have further questions, check out our FAQ Page.

Help Finding The Right Product

Let our team of experts help you find the best suitable product for your needs with our free no obligation 1-1 product selection service. Click the button below to get started.

Front angled view of the GIANTZ AGM Deep Cycle 12 Volt 25Ah battery on a white and teal background, showing the label and terminals
Giantz

Giantz 12V 25Ah Deep Cycle AGM Rechargeable Battery with Portable Box

$8600 $10799

Giantz 12V 25Ah Deep Cycle AGM Battery with Portable Box – Compact, Reliable Power for Off-Grid and Portable 12V Setups

The Giantz 12V 25Ah Deep Cycle AGM Battery with Portable Box is a dependable power solution for anyone running 12V appliances off the grid, on the road, or on the water.

Built with AGM deep cycle technology, it’s ideal for 4WDs, camper trailers, caravans, boats, or off-grid setups that need reliable power without the hassle of maintenance.

This battery delivers steady output and handles frequent recharging with ease, up to 1400 cycles at 30% depth of discharge.

It’s designed for deep cycling, so it keeps powering lights, fridges, pumps and more, day after day.

The sealed, maintenance-free design makes it safe to use in enclosed spaces. It won’t leak, spill, or release gas, which means it suits mobile and remote setups just as well as fixed systems at home or in the shed.

The included battery box helps protect the unit while also making it easy to transport or store when you’re on the go.

With bolt-down terminals for secure connections and a built-in carry handle, this compact battery is simple to install and move.

Whether it’s for a weekend away or a longer off-grid stay, it’s a practical choice for those who want no-fuss, reliable 12V power.

Infographic showcasing Innovative AGM Technology with cross-section battery diagrams and feature highlights like maintenance-free and spill-proof design.

Features and Benefits:

What’s in the Box:

View product