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12V DC to DC Battery Charger 20A

Deal Price

$132.53
RRP $249.99
NOW $132.53
SAVE 47%
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12:00 pm, 15 December 2025

Description

DESCRIPTION

Many smart alternators don’t produce enough voltage to charge your rechargeable battery system. Get a dc to dc charger so you can power all your camping devices. Top up your portable battery.

Power your lithium-ion battery with your dc to dc battery charger. Connect your charger to solar panels or with your car. Flexibility is best when you are far from civilisation.

Charge lead acid batteries, AGM/Gel batteries, calcium batteries or li-ion batteries from your DC to DC charger with solar input. Protect your batteries with multi-stage charging.

Your DC to DC charger with solar input lithium works from -10°C to 50°C. Protect your battery while it is charging with microchip monitoring. Make sure to select the right mode for your battery.

Connect up your DC to DC battery charger and wire up your car. Or wire up your caravan’s battery. Power your caravan when you have no mains power.

Key features

  • 12V 20amp universal DC to DC battery charger
  • Solar and DC inputs
  • Supports popular battery types
  • Multiple smart protection features
  • Multi-stage charging
  • Shock proof
  • Slim size and lightweight – Fits most type vehicle

NOTE: Please select the right battery type before connecting second battery to this charger.

SPECIFICATIONS
  • Input: DC battery 12.5V - 16V / Solar input 16V - 25V
  • Output: 20 amp (for DC and solar)
  • Battery range: 18Ah to 250 Ah
  • Compatible chemistry: Lion, AGM/GEL, Lead acid, Calcium
  • Charging voltage: Lion-14.6V, AGM/GEL-14.7V, Lead acid-14.4V, Calcium-15.4V (Charging)
  • AGM/GEL - 13.5V, Lead acid - 13.5V, Calcium - 13.5V (Maintenance)
  • Cable length/Twin core: 0-1 metre / 8AWG, 1-5 metre / 6AWG, 5 metre+ / 4AWG
  • Minimum start voltage: 2.0 volts - For battery being charged
  • Soft Start: Yes
  • Absorption: Constant voltage with automatic amperage control
  • Equalisation: Automatic
  • Float Charge Voltage: 13.5V (AGM/Gel), 13.5V (Lead Acid), 13.5V (Calcium)
  • Float Charge Current: 100mA
  • Dimension: 19.5cm x 12.1cm x 4.5cm (L x W x H)
  • Colour: Black
PACKAGE CONTENT

1 x Safetex DC to DC Battery Charger

1 x Instruction Manual

Product Code : ST-DCDX20A

SKU : HR24-IDP-234817

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Warranty & Return Policy

"Mattress Offers" provides 1 year warranty on all products, unless stated otherwise for the majority of our products, with extended warranties available for certain items. Please refer to the product listing to determine the specific warranty duration.

We do offer a 14-days return policy for cases of change of mind; however, the product must be returned in its original packing and condition. Please note that return fees will be applicable.

Certain products are not eligible for change-of-mind return due to hygiene and other related concerns.

For warranty claims and a comprehensive understanding of the terms & conditions, we kindly ask you to review our warranty & return policy.

Shipping Guide

All of our products are stored and dispatched exclusively within Australia. We utilise multiple warehouses to ship them to various delivery postcodes, based on the stock availability and convenience, in order to optimise delivery time frame and provide efficient service. So you may get multiple tracking numbers, in case you have ordered multiple products and they might arrive separately at your given delivery address.

We dispatch orders Monday to Friday, and in some locations, we do prepare parcels on weekends to speed up the delivery process. You'll receive an automated email with tracking details once your order is updated by the warehouse team.

The general delivery time frame is as below :-

  • For Customers in Victoria, approx 3 to 6 working days.

    (Some Remote & Regional area might take few extra days)

  • For customers in NSW, SA, ACT, and QLD, approx 4 to 8 working days.

    (Some Remote & Regional area might take few extra days)

  • For customers in WA, NT, and TAS, approx 5 to 14 working days.

    (Some Remote & Regional area might take few extra days)

In some cases, additional delivery delays may be experienced on factors such as the courier’s workload on specific routes, the peak season for pick-ups and deliveries, and other unforeseeable circumstances like bushfire, floods, and more.

For more details, please check out our Shipping Guide

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