Product: mCX Battery Extension included with EFLC1105A Charger
This product, when used with the E-flite EFLC1105A charger, does not pose a safety concern. The charger will error out if you attempt to use the lead to charge a battery. Do not use this lead with any other product, as Horizon cannot guarantee how other brands’ chargers will react with the lead.
Issue: The mCX battery extension is wired incorrectly. The leads have been wired in reverse polarity.
What To Do: If you are not using the extension, please dispose of it. If you need a replacement extension, contact Horizon Product Support. Hobby Product Support at 877-504-0233 or email firstname.lastname@example.org.
For customers outside of North America or Europe, please contact your local distributor.
Country or Purchase
United States of America
2904 Research Road
Champaign, Illinois, 61822 USA
If you purchased your product outside of the US and Canada, please see the retailer or distributor you purchased your product from for assistance.
We apologize for this inconvenience. Horizon disclaims all liability and warranties for any consumer failing to act upon this product bulletin.
All four ports can be used simultaneously or one at a time
Works with Blade®, E-flite® and ParkZone® 1S as well as 2S ultra micro Li-Po batteries
Four independently functioning charge circuits each with a simple LED status display
9 Watts of dedicated power per port
Five selectable charge rates from 0.1–1.0A
Each port is suitable for charging one 30–150mAh, 1S UM cell, a 1S MCPX cell, or one 120–300mAh 2S pack equipped with a JST-PH, 3-wire connector
Operates on 100–240V AC (50/60Hz) or 11–18V DC input voltage
Built-in protection features guard against short circuit, over current and reverse polarity
Detachable AC and DC power cords and 1S battery extension leads included
Ideal for charging any combination, of up-to four 30–500mAh, 1S UM and MCPX batteries as well as 2S battery packs equipped with the 3-wire JST-PH plug featured on UMX-class airplanes and helicopters. Its AC/DC capability means that you have the option to use a separate DC power supply or simply connect the charger to a household wall outlet. Built-in sockets make it easy to connect single-cell batteries. In addition, UM battery leads are provided when preferred by the user. The rugged case features four independently functioning charge circuits, each with a simple LED status display. All four ports have 9 watts of dedicated power and five selectable charge rates from 0.1–1.0A. Built-in protection features guard against short circuit, over current and reverse polarity.
2S, 120–300mAh Li-Po packs with the JST-PH plug
1S, 200mAh ultra micro MCPX Li-Po
1S, 500mAh ultra micro Li-Po (adapter required)
1S, 30–150mAh ultra micro Li-Po
UMX-4 charge unit
AC power cord
DC power cord
1S UM battery extension lead
1S MCPX battery extension lead
AC cord, North American plug, DC cord, alligator clips