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Quick Guide to the SkyRC D100 charger for the batteries of the Yuneec Q500

Valerio Capello www.geody.com r 7 March 2016

Caricabatterie SkyRC D100 con batterie YUNQ500105 per drone Yuneec Q500 Typhoon

How to configure and use the SkyRC D100 charger specifically for the YUNQ500105 batteries of the Yuneec Q500 Typhoon Classico / Plus / 4K drone.


The SkyRC D100 has two independent channels that can charge different batteries. You have to configure both of them.

Press Inc and Dec (change values), Start (set), and Stop (go back) to navigate the menus.

Set the following values for both channels:

Safety Timer: ON, 150Min (value ranges from 1 upto 720 minutes, the default 120 minutes is normally more than enough to charge/balance, but can be not enough to storage charge)
Capacity Cut-Off: ON, 5400mAh
Temp Cut-Off: ON, 60C 140F
Temperature Unit: Celsius
Rest Time: CHG>DCHG 10Min
NiMH-Sensitivity: [Non Applicabile]
NiCd-Sensitivity: [Non Applicabile]
Key Beep: ON
Buzzer: ON
DC Input Low: Cut-Off 11.0V
Bal. Connection: ON
AC Max Power Set: 50W


LIPO BALANCE: 5.0A 11.1V (3S)

Verifying the Batteries

Connect the batteries with the cables as in the image.

The first screen shows the voltage of each cell, press Inc to see the total voltage of the battery and the one of the highest and lowest cell.

The first screen shows the resistance of each cell (in mOhm), press Inc to show the total resistance.

Charging the Batteries

Connect the batteries with the cables as in the image.

Choose what kind of charge you need:
LIPO BALANCE (charge and balance the cells: if you plan to use the battery to fly within a week)
LIPO STORAGE (if you're not going to use the battery for a long while)
Make sure charging values are set to: 5.0A 11.1V (3S)
Keep Start pressed for 3 seconds.
The charger will verify the battery and play three notes, then will ask for confirmation while showing the number of cells detected (R), that must be the same of the ones you set (S), that for the Yuneec battery is 3. If it's correct press Start again to start charging.

While the batteries are charging or discharging the display shows: in the upper row: the kind of battery and the number of cells (LP3S for the Yuneec batteries), the current amperage (that gradually increases and decreases the amperage towards the beginning and the end of the charging process), the total voltage of the battery (for Yuneec batteries will be 12.60 when totally charged); in the lower row: the current operation (BAL for Balancing, STO for Storage), the elapsed time, and the quantity of charge added so far.
Pressing Inc the display will show the voltage for each cell (in Yuneec batteries every cell will reach 4.20V when the battery is fully charged) and pressing Inc again you'll see the battery charge percentage and the average voltage of the cells.
Pressing Start you'll be back to the first screen.

The charger gradually increases and decreases the amperage towards the beginning and the end of the charging process. When operating the charger becomes noisy because of the cooling fan.
You'll need a little more than a hour to completely charge and balance a normally discharged battery (used to fly) or a brand new, never used one (at 5A). The charger stops automatically when the charge is complete or when the charging time reached the value specified in the Safety Timer (if enabled), and the display will show the total time, the total voltage of the battery, and how many mAh were charged (NOT the total mAh).
When done, unplug the charger to turn it off.

Charging the Batteries of the Remote

The charger has also a V 2.1A USB port which is good to charge - besides mobile phones and tablets - the battery of the Yuneec remote control (ST10 or ST10+). Use a microUSB cable to connect the remote to the charger.
Warning! The SkyRC D100 has also a microUSB port which is not meant to charge other devices, but to connect the charger to a computer.

SkyRC D100 Box Mod

Box Mod: You can remove one side of the inner foam and the internal divisor so that the charger fits in its box with all cables connected (except for the power cord).

This guide is also available in Italian


Page issued on Wed 20-Sep-2017 14:40 GMT
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