Alternative to lead-acid leisure batteries for motorhomes launched

Replacing lead-acid with Lithium power

Anyone who relies on batteries for 12v power in their motorhome knows about the problems that come with lead-acid batteries. They’re easy to damage through over-charging or under-charging, they’re very heavy, they should only be discharged to 50%, they self-discharge, they need to be maintained correctly and they have a surprisingly short life if used heavily.

Designed in France, the EZA 12v Lithium power-pack system is the ultimate power source for anyone who relies on 12v when wild camping. An EZA system will usually fit in the space that’s occupied by the leisure battery / batteries and connects to the same cables that were attached to them. There are only two additional cables needed which run between the EZA unit and the vehicle’s starter battery.

The batteries used in EZA power-packs are LiFePO4 (Lithium Iron Phosphate) and are the safest type of lithium batteries. They will not overheat and, even when punctured, do not catch fire.

Features to note nclude:

• 125 Amps of usable energy (when full).
• Can be discharged to 5%.
• Built-in safety circuitry prevents damage from short-circuiting, over-charging and under-charging, over-voltage and under-voltage.
• Built-in DC-DC charger means that the power-pack can be fully charged from 5% in approximately 2 hours when the vehicle’s engine is running.
• 25-30 Amps can be put back into the power-pack by running the vehicle engine for just 15-20 minutes.
• Pre-wired for connection to a solar panel and with 400 watt MPPT solar regulator built in.
• Ideal for use with a 1500 watt inverter, enabling use of many 230V domestic appliances.
• Suitable for use in ambient temperatures from -10°C - +45°C.
• Annual self-discharge rate of approx. 3%.
• Minimum expected life of 2,000 full charge and discharge cycles. This is equivalent to using the power-pack to supply 50 Amps per day, every day, for almost 14 years.
• Cables between power-pack and starter battery required.
• Works in combination with vehicle’s built-in 12v/230v charging system.
• Approximately half the weight of an equivalent lead-acid battery bank.
• Monitor / display panel supplied.
• Can be moved between vehicles, allowing original batteries to be put back in position.

A two-year warranty is standard and that can extended to five years for an additional cost. The typical price of the EZA 130Ah power-pack is £2,332.00 inc VAT and the unit is available from specialist dealers around the U.K. For more information, visit RoadPro or call 01327 312233.


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