12V Battery Chargers

A black electronic device with cables sits inside an open box placed on rocky terrain, partially slid out from behind a large rock.

There are no products in this collection yet

Power your next adventure

Solar

Pure Sine Wave Inverters

Jump Starters

Inverter Generators

Power Stations

Lithium Batteries

Related collections

FAST & RELIABLE SHIPPING

Straight from our HQ to your doorstep - wherever you are in Australia, we get your gear to you fast.

Money Back Guarantee

If you're not completely satisfied with your purchase, we'll make it right. No questions asked.

Legendary Support

Real Aussie experts, real support. We’re here when you need us, no offshore call centres.

Proudly Australian

100% Aussie-owned and operated, delivering top-quality power solutions to Australians, by Australians.

12V Battery Chargers

Smart, Rugged, and Reliable 12 Volt Battery Chargers Made for Australian Conditions

When it comes to charging your 12V batteries safely and efficiently—whether in your car, caravan, boat, or remote tool shed—iTechworld 12v battery chargers are engineered to deliver peace of mind and long-lasting performance.

Built to withstand the harsh realities of the Australian environment, our 12 volt battery chargers feature weather-resistant housings designed for off-grid setups exposed to red dust, road corrugations, and extreme heat. With intelligent multi-stage charging algorithms tailored for different battery types—including lithium, AGM, and lead-acid—our battery chargers provide optimal charging cycles that maximise battery life while preventing damage.

Compatible with all iTechworld lithium batteries, including our X Range and GoFurther collections, these chargers are trusted for their reliability in unattended or semi-permanent remote setups. Safety is paramount, with built-in protection against overcharge, reverse polarity, short circuits, and overheating—so you can set it and forget it with confidence.

Why Choose iTechworld 12V Battery Chargers?

  • Weather-Resistant & Rugged: Perfect for off-grid use and remote sites, built tough for Aussie outback conditions.

  • Smart Multi-Stage Charging: Automatically adjusts charging profiles to suit lithium, AGM, or lead-acid batteries, ensuring safe, efficient cycles.

  • Long-Term Reliability: Designed and tested to handle dust, vibration, and high temperatures common in Australia’s remote areas.

  • Seamless Compatibility: Works flawlessly with iTechworld lithium batteries, including our X Range and GoFurther collections.

  • Comprehensive Safety Features: Protects against overcharging, reverse polarity, short circuits, and over-temperature for worry-free charging.

  • Consistent & Hands-Off Charging: Ideal for weekend getaways, caravan trips, or remote tool sheds where mains power access is limited or intermittent.

  • Outback-Tested: Engineered specifically for Australia’s unique challenges, giving you confidence that your battery will be cared for no matter where you are.

Explore our range of AC Battery Charger and DCDC Battery Charger for flexible charging options tailored to your setup.

FAQs

How do I safely charge my car battery with a 12V battery charger, and can I leave it connected in the vehicle?

Connect the charger with the vehicle off, ensuring correct polarity. iTechworld 12v battery chargers with maintenance or float modes are designed to be left connected safely for long periods, preventing overcharging while keeping the battery topped up.

How long does it take to charge a car battery, and how often should I recharge it?

Charging time depends on battery size and charger output, generally between 4 and 24 hours. Regular top-ups, especially if the vehicle is unused for extended periods, help maintain battery health.

How do I choose the right 12V battery charger for my vehicle’s battery type and size?

Choose a charger compatible with your battery chemistry (lithium, AGM, or lead-acid) and capable of delivering appropriate current for your battery’s capacity. Our chargers support multiple profiles for safe, efficient charging.

What’s the best charging current for a 12V battery — should I use 2 amps or 10 amps?

Lower currents (~2A) suit maintenance charging or smaller batteries, while higher currents (up to 10A) recharge larger batteries faster. Always check manufacturer guidelines to avoid damage.

What’s the difference between trickle chargers, standard chargers, and DC-DC chargers?

Trickle chargers supply a low continuous current for maintenance; standard chargers provide full charging cycles; DC-DC chargers safely charge auxiliary batteries from a vehicle’s alternator in dual-battery setups.

Do I need a special charger for modern car batteries?

Yes. Modern lithium and AGM batteries require smart chargers with specific charging profiles to ensure safety and battery longevity.

Can a completely flat 12V battery still be recharged?

Often, yes. Smart chargers can safely revive deeply discharged batteries, though some severely damaged batteries may not fully recover.

Can I use the same 12V battery charger for cars, boats, and motorcycles?

Yes, as long as the charger supports your battery type and size. Many iTechworld battery chargers feature multi-mode operation for different vehicles.

What safety features should I look for in a 12V battery charger?

Look for overcharge, reverse polarity, short-circuit, and over-temperature protections, as well as automatic shutoff or float modes.

Will a 12V charger work with AGM or lithium batteries?

Only if it has compatible charging profiles. Using a charger not designed for your battery type can cause damage. iTechworld offers dedicated 12v lithium battery chargers for lithium chemistries.

How do I know when my battery is fully charged?

Modern chargers use LED indicators or digital displays to show charge status and switch to maintenance mode once full.

Is it safe to leave a 12V battery charger connected overnight?

Yes, provided the charger has a maintenance or float mode designed for continuous connection.

What happens if I use a charger that’s too powerful for my battery?

Using a charger with excessive current can overheat and damage the battery, reducing its lifespan. Always use a charger matched to your battery’s specifications.

Do I need a charger with a maintenance or float mode for long-term battery care?

Absolutely. These modes safely keep batteries topped up over long periods, preventing discharge and extending battery life.