User Manual
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EN
boost
2
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COMPONENTS
VEHICLE PREPARATIONS
1
CHARGING THE VEHICLE  BATTERY
1. Connect the AC power cord to the power slot on the charger, then 
connect the other end of the power cord to an AC power source.
2. The Power LED and Charging LED will turn GREEN when the charger 
is connected to the AC power source.
3.Connectthebatterypackconnectortothechargeconnector.
4.PresstheOn/Offbuttontochargethebattery.TheChargingLED
turns RED.
5. When the battery pack is fully charged, the Charging LED will  
turn GREEN.
6.PresstheOn/Offbuttontostopcharging.Disconnectthebattery
pack connector from the charge connector.
CAUTION: If at any time during the charge process the 
battery pack(s) becomes hot to the touch, unplug the battery 
immediately and discontinue the charge process.
The vehicle battery charger produces 2000 milliAmps (2 Amps) per hour. 
Divide the mAh capacity on the label of a battery by 2000 to know how 
longbatterychargingwillrequire.Forexample,an1800mAhbattery
requires0.9hours(54minutes)tocharge.
1. ECX
™
 Boost
™
 1/10-scale Buggy 
2. ECX
™
 2.4GHz Transmitter
3. AA(4)Batteries
4. 2APeakBatteryCharger(DYN4113)
5. Dynamite
®
 Speedpack
™
7.2V 
Ni-MH battery (DYN1050EC)
CHARGING WARNINGS  
AND PRECAUTIONS
• Readallsafetyprecautionsandliteraturepriortouseofthis
product.
• Neverallowminorstochargebatterypacks.
• Neverattempttochargedeadordamagedbatteries.
• Neverchargeabatteryifthecablehasbeenpinchedorshorted.
• Neverallowbatteriesorchargerstocomeintocontactwith
moisture at any time.
• Neverchargebatteriesinextremelyhotorcoldplaces
(recommended between 50–80°F or 10–26°C) or place  
in direct sunlight.
• AlwaysuseonlyNi-MHrechargeablebatteries.Thischargercannot
charge batteries such as “heavy duty”, “alkaline”, “mercury” or 
“lithium" battery.
• Alwaysconnectthepositiveredlead(+)andnegativeblacklead(-)
terminals of the battery to the charger terminals correctly. 
• Alwaysdisconnectthebatteryandchargerafterchargingandlet
them cool between charges.
• Alwaysinspectthebatterybeforecharging.
• AlwaysterminateallprocessesandcontactHorizonHobbyifthe
product malfunctions.
• Alwaysmakesureyouknowthespecificationsofthebatterytobe
charged or discharged to ensure it meets the requirements of this 
charger.
• Neverconnectmorethanonebatterypacktothischargeratatime.
• Alwaysconstantlymonitorthetemperatureofthebatterypack
while charging.
• Alwaysendthechargingprocessifthechargerorbatterybecomes
hot to the touch or starts to change form during the charge process.
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