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12v Lithium Deep Cycle Battery

Here are important things you need to know about your 12v lithium deep cycle battery: Read more

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  • Now with 5 years Australian warranty
  • Produces up to two times the usable power of a lead-acid battery
  • It supports 6x6 series connection and parallel connection
  • Can be fully charged in 2 hours
  • Perfect fit for RV – L301 x W169 x H215mm 
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Here are important things you need to know about your 12v lithium deep cycle battery:

Deep Cycle Batteries vs Starter Batteries

Starter batteries are the sprinters of the battery world. They are designed to put out a lot of power for a short burst. The point usually is to supply the power needed to start something up, like a motor, which then runs on gasoline.

They are not designed to discharge much before being recharged and a deep discharge can hurt the battery's lifespan and performance. This is the type of battery you'll find in a car. Once the motor starts, the alternator begins charging the battery back up to full charge.

However, this isn't the only application for batteries. Sometimes you need batteries that can continuously supply power for long periods of time, such as to run an electric vehicle.

These are deep cycle batteries — the marathon runners of the battery world. Rather than a short burst of lots of power, they supply a lesser amount of power but for a much longer period of time. Here the batteries are used to run the vehicle instead of gasoline.

You may be wondering, however, if both capabilities exist in a single unit. In short, yes, they do, and this is what is known as a dual-purpose battery.

Dual purpose batteries handle both starting and cycling making them an excellent choice when you are working with a small footprint. They deliver powerful cranking amperage for easy starting, and low amp draw service for reliable auxiliary power. A perfect example of this would be RELiON’s HP series of lithium batteries that are designed to handle getting you started and keeping you running.

Discharge Capability

As mentioned, deeply discharging a starter battery will hurt its performance. However, deep cycle batteries not only are designed to put out power for a long period of time but also they can discharge much more of their stored energy.

The amount you can safely discharge varies from battery to battery. Some batteries can only handle discharging 45% of their energy reserves, whereas others can safely discharge up to 100%.

Uses of Deep Cycle Batteries

We've already touched on the fact that familiar car batteries are starter batteries. So what are deep cycle batteries used for? In general, for anything that needs continuous power for longer periods of time.

Examples of items needing long-term power output:

  • Electric golf carts
  • Electric floor cleaning machines
  • Electric scissor lifts
  • Electric wheelchairs
  • Electric scooters
  • Electric forklifts
  • Recreational Vehicles
  • Trolling motors on boats
  • Navigational devices on a boat (when the main motor is inactive)
  • Renewable Energy systems
  • Types of Deep Cycle Batteries

There are also a few types of deep cycle batteries. While they perform the same function, the materials used to build the battery vary. Thus, the different types of deep cycle batteries each have their own pros and cons. Let's look at the main ones here.

Flooded Lead-Acid

This is the oldest type of battery that is still in use. Also called a wet cell, the name comes from the battery having a liquid electrolyte inside, consisting of water and sulfuric acid. If you've ever worked on an older car, you may be familiar with having to open the tabs at the top to add water to the battery on occasion. With deep cycle, flooded lead-acid batteries, adding water is needed more frequently.

Valve Regulated Lead-Acid (VRLA) – Gel and AGM

Gel and AGM batteries are other types of lead-acid deep cycle batteries, but with a big improvement. They don't have free-flowing liquid electrolytes in them and therefore don’t require any addition of water. They are more expensive though and often don’t last as long as flooded batteries in more demanding applications.

Lithium-Ion

Lithium-ion batteries are quite possibly the wave of the future when it comes to deep cycle batteries. They require no maintenance, can be discharged more deeply without affecting their lifespan, and charge much faster than other types of batteries.