Lithium Leisure Batteries
For those exploring leisure battery options, you may have already come across AGM or the many variants of lead-acid batteries, such as Flooded Lead Acid (FLA) and Valve Regulated Lead Acid (VRLA). The different types, including Standard FLA, Sealed FLA, Sealed VRLA, and Gel VRLA, can be overwhelming. Feeling a bit confused? You’re not alone!
Lithium Iron Phosphate (LiFePO4) leisure batteries have entered the market, offering a more economical solution for powering your adventures. These batteries are lighter, smaller, more cost-effective, and last significantly longer than AGM and traditional lead-acid batteries. It might sound too good to be true, but it’s absolutely real.
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Interested in upgrading your campervan, motorhome or caravan leisure battery system to Lithium? Contact us today to see how we can help!
Lithium leisure batteries, particularly Lithium Iron Phosphate (LiFePO4) batteries, are increasingly popular for campervans, motorhomes and caravans, due to their superior performance, longevity, and efficiency compared to traditional lead-acid batteries. Here’s a comprehensive guide to help you understand, select, and maintain a lithium leisure battery for your campervan:
Benefits of Lithium Leisure Batteries
Longer Lifespan:
Typically lasts 2,000-5,000 cycles, significantly more than lead-acid batteries.
Higher Usable Capacity:
Can be discharged up to 80-90% without damaging the battery, compared to 50% for lead-acid.
Lighter Weight:
Weighs about half as much as a comparable lead-acid battery, reducing the overall weight of your campervan.
Faster Charging:
Can charge at a higher current, reducing charging time.
Consistent Power Output:
Maintains a higher voltage during discharge, ensuring devices run more efficiently.
Key Considerations When Choosing a Lithium Leisure Battery
Charging Compatibility:
Confirm your current charger and solar charge controller are compatible with lithium batteries. You may need an MPPT solar charge controller and a lithium-compatible battery charger.
Built-In Battery Management System (BMS):
A good lithium battery should have an integrated BMS to protect against overcharging, over-discharging, short circuits, and temperature extremes.
Temperature Sensitivity:
Lithium batteries perform best in moderate temperatures. Ensure the BMS includes low-temperature cut-off to prevent charging in freezing conditions, which can damage the battery.
Popular Lithium Leisure Battery Brands
Fogstar: Offers a range of lithium batteries at affordable prices.
Roamer: Known for robust BMS and high performance.
Installation and Maintenance
Installation:
Location: Install in a ventilated area to manage heat, although lithium batteries generate less heat than lead-acid types.
Connections: Use appropriate gauge wires and ensure all connections are secure. Install fuses or circuit breakers as necessary.
Series/Parallel Configuration: If using multiple batteries, ensure they are identical in age, capacity, and type.
Charging:
Solar Charging: Use an MPPT charge controller programmed for lithium batteries.
AC Charging: Ensure your battery charger is compatible with lithium batteries and provides the correct charging profile.
Maintenance:
Minimal Maintenance: Lithium batteries require little maintenance, but regular checks on connections and the BMS are recommended.
Monitor: Use a battery monitor system to track state of charge (SoC), voltage, and other parameters.
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