Truck News


Carrier using solar power to charge reefer units

ATHENS, Ga. — Carrier Transicold has announced the availability of solar panels that can be used to charge its transport refrigeration units (TRUs).

The new solar panels were developed specifically to maintain TRU battery charge and mount onto the roof of the trailer, truck body or refrigerated rail car. When exposed to daylight the panels provide continuous power to the TRU batteries.


“The engineering specifications for many features of the Thin-Film Flexible Solar Panel systems were developed by Carrier Transicold experts who understand the unique power demands of TRUs and associated electrical architecture,” said Jason Forman, marketing manager – truck trailer, Carrier Transicold Performance Parts Group. “Refrigerated fleet demands for value-added electrical loads have increased in recent years, tapping refrigeration system batteries to power additional electronics such as telematics devices, fuel-level sensors, interior trailer lighting and other accessories.”

Such power draws which continue while the reefer is turned off can drain the battery and result in a service call.

“Solar panels can offset the draw from accessory electrical devices while the TRU is off, significantly reducing callout charges related to the battery,” Forman said.
The Carrier Transicold solar panels provide up to 1.8 amps per hour and are compatible with 12-volt wet cell and absorbent glass mat batteries. The panels weigh les than two pounds and are 1/8” thick. They come with a five-year limited warranty on power output and are waterproof and puncture-resistant.

More information is available at

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