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EP Systems will supply batteries for Ampaire's Eco Caravan
EPiC energy storage is the second major element of the Eco Caravan propulsion system for Ampaire. In follows July's selection of the RED Aircraft AO3 series compression ignition engine for the combustion portion.
Electric Power Systems will suport Ampaire in its work to certify the Eco Caravan.

Ampaire has selected Electric Power Systems (EP Systems) under an exclusive agreement to supply the propulsion battery pack for its hybrid-electric upgrade of the Cessna Grand Caravan.

The nine passenger Eco Caravan has undergone ground power tests and will fly in the second half of the year. It is the first hybrid-electric aircraft to enter the certification process with the FAA. A supplemental type certification for the upgraded aircraft is expected in 2024.

The EPiC energy storage system from EP Systems contains advanced cell technology that offers an energy density of over 200Wh/kg (watt-hours per kg) at the battery pack level while providing over 2,000 fast-charge cycles before a replacement is required, given typical usage. The EPiC series of products consists of modular building blocks that allow customisation at the aircraft level.

Ampaire already has operational experience with EP Systems technology, flying a prototype of the EPiC system on its Electric EEL flying testbed aircraft. The EEL is a hybrid electric Cessna Skymaster supporting the Department of Energy's ARPA-e advanced technology unit.

In July Ampaire revealed the RED Aircraft AO3 series compression ignition engine as the combustion portion of an integrated parallel hybrid-electric propulsion system.

“We are working closely with fellow innovators to bring a new level of efficiency and low emissions to aviation,” says founder and CEO Kevin Noertker. “EP Systems has distinguished itself in tailoring its battery technology to our needs with a near-term certifiable solution.”

EP Systems will support Ampaire in its work to certify the Eco Caravan. The aircraft can reduce fuel and emissions as much as 70 per cent on shorter trips and 50 per cent on longer ones, while preserving payload capability and extending range. When flown on sustainable aviation fuel, emissions are near zero. Eco Caravan's operating cost is 25 to 40 per cent lower depending on the type of missions flown. The hybrid-electric aircraft charges in flight and does not require ground charging infrastructure, meaning it can use any airport that Caravans fly from today.

“Ampaire's practical approach to electrification is the start of a transportation revolution,” says EP Systems founder and CEO Nathan Millecam. “We share a vision of lowering costs for aircraft operators and their passengers, while moving as quickly as possible to zero emissions aviation.”

Other News
EPS will advance battery capability for Supernal
August 1, 2022
All-electric aircraft need high-density energy storage. By harnessing advancements in battery power and material technology, EPS' battery management system will provide an elevated solution.
Ampaire EEL flies longest hybrid-electric mission
July 28, 2022
The Electric EEL has shown the real-world capability of hybrid-electric upgrades, while Ampaire has tasked RED as reciprocating engine supplier for its Eco Caravan. The companies plan collaboration on more programmes.
WingTips places landmark order for Eco Caravans
July 23, 2022
The Eco Caravan hits a sweet spot for WingTips' operation, whose objective is to close the gap with the cost of driving while cutting travel time. It anticipates another 175 orders as it expands nationwide.