Choosing the Correct Battery Type for Solar Panels

Solar Panels for lithium battery

In this blog I will break down the different battery types available to use with your Solar Panels. Lead acid batteries have large capacities and are often available in many places around Australia. A lot of people ask me "which battery should I use with solar panels?" I always recommend using sealed AGM lead acid batteries wherever possible and will describe in this blogs the benefits of using this type of battery with iTechworld portable solar panels.

280 Watt Solar Blanket

Starter vs. lithium Batteries
Starter batteries are designed to deliver short, high-current bursts for starting a vehicle engine, and are designed to discharge only a very small part of their capacity. If you were to use a starter battery as a way of running your caravan/motor home/camper trailer it would corrode very quickly, the plates and the chemistry are designed to stay nearly 100% fully charged most of the time. They cannot handle the discharge and charge needed when running your RV on Solar Power.

Solar Blanket

For solar charging applications, I always recommend an iTechworld lithium battery. Cheap knock off batteries are available via eBay but come with very little warranty and fake specifications which means you can never be sure of what getting. 



iTechworld Lithium Battery

Typical car batteries can be used but will not be suitable long term. iTechworld lithium batteries are designed with larger capacity. They are designed to be charged and discharged by solar and can handle the strain of using most of its capacity.

iTechworld lithium batteries HERE

 

Article author

Ian

ian@itechworld.com.au

Read more +

How to effictivley charge 12v batteries with a Generator

You’ve bought an iTechworld inverter generator with built-in 12-volt outlets. But how do you go about charging 12v batteries from your generator? Here’s a quick rundown of what you need to know.

Let’s get straight to point: Most inverter generators may have a 12-volt output on them, but when it comes to the crunch, they are not designed to fully charge your batteries directly. There are two main reasons why:

First, your generator’s DC outlet is limited to a current of about 8 amps maximum. So any battery will take a while to fully charge.

Secondly, the voltage of the DC output isn’t regulated – it varies according to the generator’s RPM. This is fine if the generator is running a low load, but not if it’s running a medium to high load. Also, the generator won’t cut back the charge when the battery is nearly full, so you can’t risk leaving it charging for too long.

The bottom line: Your DC output on your generator is best for emergency or short term charging, i.e. providing your car battery a trickle charge. Anything more is a potential risk to your batteries.

So what’s the solution?

The best way to charge your battery is to run the iTechworld 20 Amp 240-volt battery charger off the generator’s AC output. This will recharge the battery much faster and accurately. Putting in a hefty 20 Amps. Also, the iTechworld 20 Amp 240-volt battery chargers regulate themselves down, so as charge builds in the battery, the charger won’t be pushing the same amount of amps. It will also cut off when the battery is fully charged.

 

So as a backup or alternative to your solar set up to charge your camping/caravan/motorhome battery packs, iTechworld Generator Inventors are a great option when they are working with the iTechworld 20 Amp 240-volt battery charger, especially as you can also run your appliances on 240v straight from the generator also.

 

 

Article author

Ian

ian@itechworld.com.au

Read more +