First Learn about LiPo Batteries

Learn all about LiPo Batteries here: https://www.cnydrones.org/lipo-batteries-and-safety-for-beginners/

Battery Charger

The charger we are using in this example is the AOKoda CX610HV 6 Channel 1S LiPo Battery Charger 4.35V Version 1A Micro Charger DC/XT60: https://www.amazon.com/CX610HV-Channel-Battery-Connectors-Inductrix/dp/B071ZZ2LB1

It is for charging 1s (1 cell) LiPo batteries only. Also, because this is the HV version, this charger will fully charge LiPo batteries to High Voltage – 4.35 volts per cell – instead of the normal voltage of 4.2 volts per cell. This is great for batteries that are able to be charged to high voltage, however, if you did not buy HV LiPo batteries, this charger will try to overcharge the batteries past the 4.2 volts per cell of a normal LiPo battery and could damage the battery or cause a fireGenerally, you can tell if the battery is able to be charged to High Voltage if it lists HV on the package, or has 3.8 listed instead of 3.7, or has 4.35 listed instead of 4.2.

This battery charger, AOKoda CX610HV, is popular because of its versatility and easy of use. Although, it does not come with a power adapter. If you would like to purchase one, make sure the power adapter outputs 12v and at least 2 amps. Here is an example power adapter that should work: http://amzn.to/2CdyMx9
Here is an example that may have many other uses (could be used with other chargers for example) for you becuase of its XT60 connector: http://amzn.to/2Ezq1lW

Also, you can power this charger from a micro USB (common on phone chargers) input. It is important to note that according to the USB spec the maximum draw for a USB 2.0 connection – common on computers – is 0.5 Amps. This means that you can only charge 5 batteries at once at 0.1 Amp each (0.5 C for a 200 mAh capacity battery). However, power bricks that outputs USB for Battery Charging can output 1.5 Amps should be more than enough to charge 6 batteries at 0.2 Amps.

If this charger is not receiving enough input amperage, it will display a blinking “LOW” on the screen. Also, it may not show a red charging light for all the batteries. If that happens, unplug the charger and put on less batteries to be charged. Plug the charger back in and see if all the batteries display the red charging light.

If the charger is not receiving enough input voltage, it will either display a blinking “LOW” on the screen or it will blink rapidly, displaying 888 on the screen. This will happen if you try to use a lower voltage DC adapter, i.e. a 5 Volt adapter instead of the 12 Volts needed for input.

Battery Charger Setup

This video will show all the features of the charger. Please Note: the charger in the video is NOT the HV version, all other features are the same.

There are 2 buttons on this charger that control the settings. The V button will control the power source and descend through other settings. The A button will control the charging amperage rate and will act as the enter/confirm button for other settings.

Before plugging in any batteries to be charged there are 3 settings to check and modify if needed. It is always good to check these settings every time even if you think nothing has changed. Better to be safe than sorry.

The first setting to check and modify if needed is whether your charging by a battery or a DC power source. To set that, you long press the V button. The power source will flash on the screen – it will say either DC or BAT – short press the V button to scroll to the correct setting, DC if powering by an adapter or micro USB and BAT for battery.

The next setting and overdischarge or low voltage value. This is important setting when charging from another LiPo battery so as to not over discharge that battery and cause damage to that battery and/or cause a fire. If charging from a USB or DC adapter the setting does not seem to matter. Short pressing the V button will show the lowest voltage level the battery is allowed to go before the charger will stop charging the batteries plugged into it. Remember to never go below 3 volts per cell on any LiPo battery! For example if charging from a 4S (4 cell) battery, set the overdischarge value to greater than 12 volts. It is best practice to set the overdischarge value to 3.7 per cell – 11.1 Volts for a 3S, 14.8 for 4S, etc. (The nominal voltage of the battery). Descend through the voltage numbers by short pressing the V button till the desired value is reached or press and hold to quickly descend through the values. When the desired value is reached, short press the A button (confirm).

The last setting to check is the amperage to charge each connected batteries at. Best practice is to always charge at 1C or less. This means for batteries that have a capacity of less than 200mAh, your desired value for charging amperage is 0.1A  If the battery is greater than 200mAh but less than 300mAh your charger should be set to 0.2A or less. To set this value, short press the A button and descend to the desired value by short pressing the V button. When the desired charging amperage is selected, short press the A button to confirm.

After checking these settings, you can plug in your batteries to be charged and they will start charging automatically. When the light turns green the battery is fully charged. Each battery’s, voltage will be blink after the slot number is displayed.

One thing to note, if you plug in a battery that is at 4.2 Volts or higher but not quite 4.35 Volts, the charge will not charge the battery to 4.35 and it will light up green. Discharge to below 4.2 and then replug in the battery, it should then charge up to 4.35 Volts.

If you have questions or comments, please ask them in the comments section at the bottom of this page.

 

Last Updated: Feb 11, 2018 @ 5:42 pm

<ToDo: Create CNY Drones’ video that will show the HV version of the charger above and examples of the HV batteries>

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