A Thunder brand DC-DC battery charger with a remote Bluetooth LCD screen and a heavy-duty aluminium case.
A Thunder brand DC-DC battery charger with a remote Bluetooth LCD screen and a heavy-duty aluminium case.
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Thunder TDR02021 20A DC-DC Battery Charger With Solar Input

SKU: TDR02021
Sale price
$129.29
Regular price
$416
You save
69%
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Note: This item requires stackable freight due to its size and weight. As a result, shipping costs may increase for each additional unit added to your order. This ensures safe handling and delivery by our courier partners.
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Shipping information

We offer fast and reliable shipping options to ensure that your order arrives in a timely manner. Our dedicated team works diligently to process and ship your items as quickly as possible.

Here are some key points to note about our shipping policy:

Standard Shipping

  • Frankies offers a $15.95 flat rate for Australia-wide shipping, no matter how many items you order. Some larger or heavier items may incur an additional fee, which will be communicated to you when your order is processed.
  • While we endeavour to dispatch all orders promptly, please be advised that due to the current national fuel shortages in Australia and the resulting pressure on logistics networks, order processing and dispatch may take up to 7 business days. We are not liable for delays caused by third-party freight carriers or fuel-related logistical disruptions. By placing an order, you acknowledge that delivery timeframes may be extended beyond our standard estimates during this period.

Estimated delivery times:

  • WA, NT, and TAS: currently experiencing longer shipping times
  • Holiday periods (e.g. Christmas): deliveries may be delayed due to increased freight volumes

Express Shipping

  • Express shipping is available and calculated based on your delivery location, as well as the size and weight of your order. To receive an accurate quote, please contact our Albion Park Rail store and request an "express shipping quote." Our team will promptly assist with pricing and availability. Payment for express shipping can be securely arranged over the phone.

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Product features

Thunder TDR02021: Perfect Addition to Any Vehicle Requiring the Management of a Dual Battery Setup!

20A DC-DC Charger With Bluetooth Screen
Compact in size and easy to install, the new Thunder DC-DC Charger (Thunder TDR02021) is the smart way to charge your auxiliary battery, no matter your vehicle. Utilising a unique pulse charging algorithm with 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 of 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 4WDs.

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 dustproof, 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 reduces oxidation and minimises temperature equating to longer battery life
  • The 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