THUNDER 20A DC TO DC CHARGER SOLAR REG V2
THUNDER 20A DC TO DC CHARGER SOLAR REG V2 Please contact us if this item is out of stock and you wish to purchase it.
Delivery and Shipping
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:
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Australia Post
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StarTrack Road Express
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Aramex (formerly Fastway)
Courier Options
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Some items will offer optional courier services at checkout.
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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:
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All pickups must be arranged with us prior to collection.
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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:
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Standard Post: 3–7 business days
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Express Post: Currently unavailable. We’ve found that standard post provides the most reliable and consistent service.
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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:
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Delivery times may vary depending on:
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Time of year
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Public holidays and weekends
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Severe weather or natural events
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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
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Delivery times vary depending on your location and the specific products ordered.
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Any delivery estimates provided on the website are guides only, based on the best information available to us at the time.
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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:
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All items must be prepaid (cleared funds) prior to pickup, or payment can be made in cash upon collection.
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Please bring a copy of your order confirmation or receipt to ensure a smooth pickup process.
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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
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Once your order is packed and dispatched from our warehouse, you will receive an email with your tracking number.
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This unique tracking code allows you to track your package online with the courier.
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Please allow up to 48 hours (Monday to Friday) for your tracking email to arrive.
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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
The Thunder DC-DC 20A Charger with MPPT Solar Regulator uses a unique pulse charging algorithm to intelligently determine the best charge rate for your auxiliary battery.
THUNDER 20A DC/DC CHARGER – TDR02020
Easy to install, the Thunder DC to DC charger is the smart way to charge your auxiliary battery, no matter your vehicle. The Thunder DC-DC Charger utilises a unique pulse charging algorithm with the intelligence to determine the best charge rate for your auxiliary battery (excluding lithium).
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- MPPT solar regulator will regulate solar panels at maximum efficiency capable of up to 300W of solar @ 25V
- 20A output to charge your auxiliary battery while driving
- Automatically switches to the solar input when the vehicle battery is turned off or main battery drops to 12.2V
- Splash resistant (not IP rated)
- Easy to read and comprehensive LED display
- Simple to install – 4 mounting holes and 4 easy-to-use wiring studs
- Rate of charge starts to decrease at 50 degrees and willfully cut out at 80 degrees
Key Features
Over-temperature protection The TDR02010 will automatically adjust its output based on battery and ambient temperature, preventing overcharge and overheating in small batteries and hotter climates.
Reverse connection protection The charger will detect and indicate a reversed connection on the input and output terminals, preventing damage to the internal circuitry of the unit.
Over and under-voltage protection The TDR02010 will automatically shut down if it detects an overvoltage or under voltage problem, preventing damage to the battery.
Spark-free protection The TDR02010 will not begin charging unless the load is securely connected, preventing output leads from sparking due to an accidental short circuit.
Specifications
Charging style 8 stages from the vehicle and 3 stages from solar Input
12.4 to 16.0 Volts DC Output voltage 13.1-16.2V (stops charging when alternator or vehicle battery below 11.9V)
Output current 20 Amps Minimum start voltage for 2nd battery 1.5 Volts
Maximum solar input voltage 25 Volts Maximum solar watt input 300 Watts
Soft start Yes Battery range 18 to 250Ah
Need Help to purchase?
Contact us via chat for assistance
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

