Mastervolt ‘Ultimate’ battery

14.12.2012 nauCAT
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Mastervolt ‘Ultimate’ battery
Technical details
Producer: Mastervolt (NL)

Mastervolt, the Dutch-based leader in electrical systems and a subsidiary of the Actuant Corporation, is proud to announce the arrival of the Lithium Ion ‘Ultimate’ battery, the next generation of deep-cycle power storage technology. The traditional use of lead plates to store electrical energy has always had strict limitations, but the introduction of Mastervolt’s first generation of high power Lithium Ion battery was a paradigm change. Lithium Ion batteries are at least 3 times more powerful than lead-based equivalents, a minimum of 3 times lighter, and most significantly, offer at least 3 times the cycle life.

They can repeatedly provide useable power to virtual exhaustion with no ill effects, making them ideal for electric propulsion. After several years of practical use, the award-winning first generation Li-Ion batteries performed beyond expectations. Harnessing the vital knowledge gained from this experience, the Mastervolt team has since developed the only second generation Li-Ion on the market, the Ultimate series.

The Li-Ion Ultimate battery is a completely new design, with every component upgraded and improved for increased performance across all applications. As always, safety and ease of installation were top priorities, yet in addition, the Ultimate battery also holds more power, is far quicker to recharge, and now has most of the peripheral systems fully integrated. The footprint remains the same, allowing a straight swap for existing first-generation Li-Ion battery banks.

Inside the new-look casing are eight cells of Lithium Iron Phosphate, a silver-like substance that is a third of the weight of water, yet as safe as lead-acid. The low density of Lithium Iron Phosphate allows the battery to be much smaller and lighter than conventional equivalents. At 55kg, this is a weight saving of some 80% for 5kWh. The other big advantage of Li-Ion is that 80% of the power stored is useable, compared with just 40% for lead-acid. Unlike lead-acid, deep discharging to tap this power can be done with impunity, giving an ultra-long battery life of some 2,000 cycles; six times more than conventional batteries, and with no memory effect.

Photo: Mastervolt


 

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