![]() For this reason, any LiFePO4 battery should have its own inbuilt management system to ensure that all cells are charged equally. The problem is that once an individual cell is charged, it turns off the current and, since all the cells are wired in series, they then cease charging. Like most battery types, lithium batteries have individual cells (four, in this case), which are rated at 3.2V each for a total output of 12.8V. And whilst lithium batteries will only have a 3% voltage drop for much of the discharge cycle, all deep cycle/AGM batteries suffer from a constant voltage drop whilst discharging the typical range being 12.75-11.4 volts. However, a LiFePO4 battery will deliver well over 2000 cycles, as shown in a real life experiment held at the BMPRO headquarters. Doing that, a typical lifespan of about 500 – 600 charge/discharge cycles can be expected. The most effective way of getting a good battery life out of those batteries is to never let them discharge below 50% capacity. That might not sound impressive until you compare it with a deep-cycle/AGM battery. One of the major advantages of lithium batteries is that they can deliver a very large current down to about 20% of their capacity without any damage, and with 3% or less voltage drop. To answer that, it helps to have an understanding of how lithium batteries function. But, given that lithium iron phosphate (LiFePO4) batteries have very different characteristics and composition to other batteries, it raises the question as to whether they require different battery chargers. Their power-to-weight ratio is much better than equivalent lead acid / deep-cycle / AGM / Gel Cell batteries, and they have a higher discharge rate than those batteries as well. Lithium batteries have grabbed the attention of the RV market in recent years. ![]() However, the question stays:ĭo you need a lithium battery charger to charge your battery? Today, they are the battery of choice for many adventurers. ![]() When we wrote this blog post initially, lithium batteries for caravans were the way of the future. This post has been originally published in May 2019 and has been updated in September 2021.
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