Product News: Electrical Equipment & Systems, Green & Clean

Lithium Ion Battery Charger targets electric vehicles.

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Press Release Summary:

January 22, 2014 - Housed in IP67 waterproof enclosure, 240 W Model EVC-52-240 features universal AC input range of 85–265 Vac and 12 Vdc 50 mA output present signal feature. Unit delivers output voltage of 43–57 Vdc and output current of 3.8–4.2 A with 90% efficiency. PFC is 0.99 at 110 Vac full load and 0.96 at 220 Vac full load. Measuring 8.66 x 2.68 x 1.67 in., RoHS-compliant charger is equipped with hiccup mode short circuit protection with auto recovery as well as over voltage and over temperature protection.

Original Press Release

Lithium Ion Battery Charger for Electric Vehicles

Press release date: January 11, 2014

LED POWER SUPPLIES Green Watt Power, a division of Calex Mfg. Co., Inc., announces the 240 Watt EVC-52-240 Lithium Ion battery charger. The EVC-52-240 is designed for charging lithium ion batteries for a variety of applications including electric scooters, all terrain vehicles, etc. The unit is housed in a compact IP67 waterproof enclosure for ease of installation/ mounting on the vehicle.

Lithium Ion Battery Charger for Electric Vehicles

The EVC-52-240 has an AC Universal Input Range, 85 to 265VAC and includes a 12VDC 50mA output present signal feature. The input frequency is 47 to 63Hz. Power Factor Correction is 0.99 at 110VAC full load and 0.96 at 220VAC full load. The efficiency of the EVC-52-240 is 90%. The output voltage range is 43 to 57VDC and the output current range is 3.8A to 4.2A. Noise and ripple is +/-15% of the output current. The EVC-52-240 features hiccup mode short circuit protection with auto recovery as well as over voltage protection and over temperature protection.

The EVC-52-240 measures 8.66” x 2.68” x 1.67”. The unit is designed to meet UL1012 as well as EN61000- 3-2 harmonic current emission requirements. The EVC-52-240 is RoHS compliant and backed by Green Watt Power’s Five Year Warranty. Units are available from stock to 10 weeks. Contact Green Watt Power for pricing.

For more information on the EVC-52-240, go to or contact Green Watt Power at 800-542-3355/925-687-4411 (phone), 925-687-3333 (fax), Calex’s corporate headquarters are located at 2401 Stanwell Drive, Concord, CA 94520 USA.

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