![]() However, as a lithium battery can remove the need to ever use mains hook-up and can be charged and discharged several thousand times, for some people the purchase cost will be more than recovered during the battery’s lifetime. This is likely to be significantly more expenisve than a lead-acid battery with a similar Ah rating. There is really only one disadvantage to having a lithium battery in your vehicle or boat and that’s the initial cost. Can be used in almost every situation where a lead-acid battery is being used to power appliances in a motorhome, campervan or caravan.The ability to charge quickly from the vehicle’s engine can remove the need for a generator or fuel cell.Very safe, with no toxic fumes or liquid and no risk of fire in normal use.Approximately 40% - 50% lighter than a good quality lead-acid battery with a similar Ah rating.Very low rate of self-discharge means they can be left unattended for months.Thousands of charging cycles compared to just a few hundred from a typical lead-acid battery.Can be discharged as much as 95% on average without damaging the battery.Can be discharged quickly without damaging the cells, making them ideal for use with inverters.Much higher charging rate and so faster charging – varies according to the charging system used.Voltage remains constant for much longer during discharge.These are lithium iron phosphate batteries, often referred to as LiFePO4 batteries and here are some of their advantages over traditional lead-acid batteries: Lithium batteries have a reputation for catching fire without warning but the batteries that we are looking at here are completely safe in normal use. Let’s get one thing clear to start off with: there are several different types of lithium battery and the ones that are used as auxiliary / leisure batteries are very different indeed from those used in mobile phones and cordless electric tools. It can only be a matter of time before lead-acid batteries are consigned to the proverbial dustbin of history. The difference in performance between a lithium battery and a traditional lead-acid battery is so great that anyone who is serious about staying “off-grid” in their vehicle or boat really has to consider installing one. It’s only recently though, that the advantages of lithium battery technology have begun to be available to motorhomers, caravanners, boaters and anyone who relies on 12V batteries for powering appliances. ![]() Lithium batteries were invented and developed in the 1970s and 80s and have totally changed the way we use many electrical appliances. ![]()
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