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ASHDOWN INGRAM / NAPA  |  SKU: TDR02021

Thunder 20A DC-DC Battery Charger W/solar Input & BT Screen

$399.00 AUD $495.99
Tax included Shipping calculated at checkout.


Delivery and Shipping

Most orders are shipped via Australia Post.

Larger items that exceed Australia Posts limits are sent via road transport and require shipping quote first.

Some items are set to pickup only due viability of shipping costs.

Please contact us for assistance.

Shipping Information

We currently ship Australia-wide using reliable carrier-calculated shipping rates.

Our Main Shipping Partners:

  • Australia Post

  • StarTrack Road Express

  • Aramex (formerly Fastway)

Courier Options

  • Some items will offer optional courier services at checkout.

  • For larger or more complex orders, you may be prompted to request a shipping quote.

If you have any questions about shipping costs or delivery options, feel free to contact us before placing your order.

Having Trouble at Checkout?
If you see a message such as “Please select a different address” or “Cannot be delivered to this address,” it means standard shipping options may not be available for your location.

In this case, please request a shipping quote, and we'll provide you with the best available delivery option.

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Pickup Available by Appointment

We offer pickup by appointment for customers who prefer to collect their items directly from us.

Important Information:

  • All pickups must be arranged with us prior to collection.

  • Items must be prepaid (cleared funds) before pickup, or cash payment can be made upon collection.

Bulky Item Pickups to Save on Shipping

If you're purchasing a bulky item and would like to avoid shipping costs, feel free to contact us to arrange pickup.

For example, some of our customers choose to collect larger items like Ranger blinds during their travels—whether heading north or south—so they can save on freight.

📞 Get in touch with us to discuss pickup options or to schedule a convenient time.

Maximise Your Shipping Value

To get the most out of your shipping cost, consider adding other items you may need to your order — it’s a great way to save on combined freight!

Need Help with Shipping or Delivery Times?

If you have any questions about shipping rates, delivery timeframes, or courier options, feel free to contact us:

📧 Email: enquiries@thecaravanshop.com.au


 

Delivery Time

Estimated Shipping Times:

  • Standard Post: 3–7 business days

  • Express Post: Currently unavailable. We’ve found that standard post provides the most reliable and consistent service.

  • Pre-Ordered Items: Please allow 10–14 business days (guide only – actual times may vary).


Order Processing

Most orders are dispatched within 24–48 hours of payment confirmation.


Important Notes:

  • Delivery times may vary depending on:

    • Time of year

    • Public holidays and weekends

    • Severe weather or natural events

  • We are not responsible for delays caused by Australia Post or other external factors beyond our control.

If you have questions about your order status or delivery timeframe, please contact us at
📧 enquiries@thecaravanshop.com.au

A tracking number will be provided to you for your convenience. please see section 'Order Tracking'


Shipping Costs & Delivery Time

Physical goods purchased through our website are typically dispatched within 1 to 3 business days after purchase.

Delivery Timeframes

  • Delivery times vary depending on your location and the specific products ordered.

  • Any delivery estimates provided on the website are guides only, based on the best information available to us at the time.

  • Please allow additional time during peak periods, holidays, or in the event of unforeseen delays (e.g. weather disruptions or courier issues).

Delivery Address

Goods will be delivered to the shipping address you provide at checkout. Please ensure all delivery details are accurate to avoid delays or failed deliveries.

Title & Risk

Ownership and risk of loss or damage to goods passes to you upon delivery to your specified address.


Delivery

It is the customer’s responsibility to provide the correct shipping/delivery address when placing an order.

If an incorrect delivery address is provided, The Caravan Shop cannot be held liable for any loss or costs incurred, including reimbursement for lost or undelivered packages.

In the event a parcel is lost in transit, we will work directly with Australia Post to seek a resolution. If Australia Post confirms the parcel cannot be recovered, we will process a replacement order for you.

 


Warehouse Pick Up

Our warehouse is located in Boonooroo, QLD 4650.

For all warehouse pickups, please contact us in advance to arrange a convenient pickup time.

Important Information:

  • All items must be prepaid (cleared funds) prior to pickup, or payment can be made in cash upon collection.

  • Please bring a copy of your order confirmation or receipt to ensure a smooth pickup process.

  • If you’re collecting bulky or heavy items, please arrange appropriate transport in advance.

To schedule your pickup or for any questions, please contact us at:
📧 enquiries@thecaravanshop.com.au


 

Order Tracking

  • Once your order is packed and dispatched from our warehouse, you will receive an email with your tracking number.

  • This unique tracking code allows you to track your package online with the courier.

  • Please allow up to 48 hours (Monday to Friday) for your tracking email to arrive.

  • If you haven’t received your tracking number within this timeframe, please check your email’s Junk or Spam folder, as it may have been filtered automatically.

If you still can’t find your tracking details, feel free to contact us for assistance.

You can TRACK your order by entering your Tracking Number in here

 



Have any questions?

20A DC-DC Charger With Bluetooth Screen
Compact in size and easy to install, the new Thunder DC-DC Charger is the smart way to charge your auxiliary battery, no matter your vehicle. Utilising a unique pulse charging algorithm with the intelligence to determine the best charge rate for your auxiliary battery, this charger is the perfect addition to any vehicle requiring the management of a dual battery setup.

One of the greatest features of the new DC-DC Battery Charger, is the new remote Bluetooth LCD screen; giving you better visibility on your battery’s state of charge. The new charger also features Modular Sense Technology (MST) allowing you to link multiple units together giving you a 20, 40 or 60A output without having to outlay for a larger unit upfront.

Suitable for Gel, AGM, Calcium, Lead Acid and now Lithium batteries, Thunder’s new DC-DC Charger is an ideal addition for caravans, camper trailers and 4WD’s.

Features:

  • Sleek Heavy-Duty Aluminium Case
  • Easy to read remote mount Bluetooth LCD screen
  • 12-24V System input with 12V output
  • Upgraded operating temperature of 0-90° allowing under bonnet mounting
  • IP67 Rated – water and dust proof, ready for harsh environments
  • Linkable design to easily increase amperage outputs using Modular Sense Technology
  • Microchip monitoring and control fully automates high frequency multistage charging
  • Pulse mode technology that reduces oxidation and minimises temperature equating to longer battery life
  • Unit will automatically change charge rate mapping for GEL, AGM and standard Lead Acid
  • Lithium battery charging profile option
  • Internal charger temperature monitoring and power output control
  • Over-charging, short circuit and over-temperature protection
  • Reverse Polarity Protection
  • 50V Solar input with MPPT regulated output allowing 300W of solar

Specifications:

  • Output: 20A
  • Input Fuse Rating: 30A (Minimum)
  • Output Fuse Rating: 30A (Minimum)
  • Vehicle Input Voltage Range: 12.2V – 26V (If voltage increases over 26V the Thunder DC-DC will shut off, reset will be needed)
  • Minimum & Maximum Charging Voltages: 13.1V – 15.2V (Stops charging when alternator or vehicle battery below 12.2V)
  • Lithium Charge Voltages: 14.2V Bulk, 13.2V Float
  • Solar Input Voltage Range: 13V – 50V
  • Maximum Solar Watt Input: 300W (Exceeding 300W of solar will damage the charger)
  • Charging Style: 8 Stages From Vehicle & 3 Stages From Solar
  • Operating Temperature: 0°C ~ 90°C (Current De-Rates After 90°)
  • IP Rating: IP67
  • Float Voltage: 13.8V
  • Standby Current: 10mA
  • Battery Range: 18 ~ 250Ah
  • Weight: 1.50kg

Need Help to purchase?

Contact us via chat for assistance

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Thunder 20A DC-DC Battery Charger W/solar Input & BT Screen

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