Skyrc NC2200 User manual

Instruction Manual
AA/AAA NiMH/NiCD Battery Charger & Analyzer
v1.0
SK-100181

INTRODUCTION
IN THE BOX
PRECAUTIONS
FEATURES
SPECIFICATIONS
CHARGING CURRENT AUTOMATIC ADJUSTED
MANUALLY VIEW THE DISPLAYED INFO
BATTERY KNOWLEDGE
FIVE WORKING MODES
USING THE CHARGER
WORKING MODES
LED INDICATOR EXPLAINED
RESCUE BATTERIES
DISPLAYED INFORMATION & ICONS
SKYCHARGER APP OPERATION
LIABILITY EXCLUSION
WARRANTY AND SERVICE
1
1
3
3
4
5
5
5
8
9
12
15
16
16
18
21
21
TABLE OF CONTENTS

Congratulations on your choice of SkyRC NC2200 Charger & Analyzer!
This charger is specially designed for AA/AAA NiMH/NiCD Batteries. It has five
working modes: Turbo(fast charge), Charge, Discharge, Refresh & Analyze,
Break-in.
With four independent AA/AAA slots, NC2200 can charge up to 4 batteries at
once, so you can quickly power your electronic devices. The working current can
be set from 0.2A up to 2.2A based on different battery capacities.
With the wide-viewing VA screen, NC2200 displays current, capacity, internal
resistance, voltage, elapsed time, and working mode at a glance. Meanwhile, the
charging graph and firmware upgrading can be accessible with the SkyCharger
app if you connect the optional Bluetooth Dongle.
INTRODUCTION
IN THE BOX
NC2200 Charger*1
Instruction Manual
AA/AAA NiMH/NiCD Battery Charger & Analyzer
v 1.0
SK-100181
Instruction Manual*1 12V/2A
Power Adaptor*1
*The optional Bluetooth Dongle(SK-600135)part is sold separately.
SKYRC NC2200 Instruction Manual
1. SKYRC NC2200

12V DC Jack
Micro USB Port
Anti-Skid Pads
Turbo Button
VA screen
Status
LED Indicator
Enter Button
Down Button
Up Button
Slot Button
SKYRC NC2200 2.
SKYRC NC2200 Instruction Manual

Never charge batteries other than NiMH or NiCD. Please read the battery's
manual to ensure it can accept the programmed charge/discharge rates.
Never expose the unit to rain or moisture to avoid fire.
Never use the charger if it appears damaged.
Do place the battery with a positive terminal facing the top. Wrong polarity may
cause fire or explosion.
Do not allow the unit to expose to direct sunlight. Operate in a well-ventilated
area. Do not place the charger on the carpet.
Never allow the battery terminals to become shorted.
Please use the standard AC adaptor included in the package.
The batteries may become hot during charging/discharging(especially at a high
chosen current).
Please use caution while removing batteries after charging/discharging.
Remove all the batteries while not in use.
PRECAUTIONS
Four independent slots allow charging four cells simultaneously.
Four LED indicators make working status intuitive.
Easy operation with five buttons.
Five working modes of Turbo Charge, Charge, Discharge, Refresh & Analyze,
Break-In.
TURBO charge available with a charging rate of up to 2.2A for each slot.
FEATURES
3. SKYRC NC2200
SKYRC NC2200 Instruction Manual

SPECIFICATIONS
Auto-start within ten seconds once batteries are inserted.
Adjust current automatically based on the battery resistance detected.
Ez-setup: long-press to apply the same setting to all slots after setting for one
slot.
The wide-viewing VA screen enables super-high static contrast ratios for
impressive stunning visioning.
Intuitive interface with independent display for each slot.
All information at a glance: Rate, Capacity, Elapsed time, Internal Resistance,
Voltage, and Working mode.
The charging graph and firmware upgrading can be accessible with the
SkyCharger app if you connect the optional Bluetooth Dongle.
Battery Type: NiMH/NiCD
Battery Size: AA/AAA
Charge Rate: 0.2-2.2A w/ increments of 0.1A
Discharge Rate: 0.1-1.0A w/ increments of 0.1A
Discharge Termination Voltage: 0.9V
Supported Capacity: 500-3200mAh
Capacity Protection: 3200mAh
Input Power: DC 12V/2.0A
-△V: 5mV
Weight: 370g
Size: 112.1*108*62 mm
*The optional Bluetooth Dongle(SK-600135) is sold separately.
SKYRC NC2200 4.
SKYRC NC2200 Instruction Manual

The internal resistance of the battery usually increases as it is used. When the
battery is used for a long time, its internal resistance will increase. The internal
resistance consumes part of the electric energy when charging and causes the
battery to heat up at the same time.
We deploy an innovative FlexiPulse algorithm for internal resistance detection in
this charger. Once a high internal resistance is detected, the charge current will
automatically decrease to reduce the overall heating and protect the battery.
Note: Please use the Refresh & Analyze mode when determining the battery capacity.
CHARGING CURRENT AUTOMATIC ADJUSTED
BATTERY KNOWLEDGE
What is the Meaning of “mAh”
on Rechargeable Batteries?
Battery Internal Resistance Charge Rate
Great than 20mΩ while less than or equal to 40mΩ
Great than 60mΩ
Great than 40mΩ while less than or equal to 60mΩ
Great than 40mΩ
Limit to 1.5A
Turbo charge stops
Limit to 800mA
Limit to 400mA
MANUALLY VIEW THE DISPLAYED INFO
When multiple slots are working, the charger allows switching between slots by
pressing the button. Click the button to switch and view the specific
slot's info.
mAh means milliamp Hour and is a unit that measures (electric) power over time.
It is commonly used to measure the energy capacity of a battery. In general, the
more mAh and the longer the battery capacity or battery life.
5. SKYRC NC2200
SKYRC NC2200 Instruction Manual

Battery Capacity(mAh) Charge Rate(mA) Discharge Rate(mA)
700
800
900
1100
1200
1000
300
400
400
500
600
500
100
200
200
200
300
200
What is "C" Charge/Discharge Rate
The battery “C” Rating is the measurement of current at which a battery is charged
or discharged. “C” stands for the battery capacity, and the number preceding it is
the fraction of the battery capacity. For example, 0.3C means 0.3 times the capacity
for the battery. For a 2400mAh battery, 0.3C would be 0.3 x 2400mAh = 720mA.
Choose the Right Charge & Discharge Rate
It is not recommended to charge at a rate lower than 0.3C and higher than 1.0C.
Charging too slow may affect the charger termination properly. Charging too fast
may cause the battery to overheat, and shorten its lifespan.
Generally speaking, a smaller charging rate can prolong the battery lifespan while
charging time will be longer. A larger charging rate makes charging fast but with
the battery heat-up, which will shorten its lifespan.
It is not recommended to use a discharge rate above 1.0C.
Charge/Discharge Rate Reference
AAA Batteries
Battery Capacity mAh (milliampere/hour) = discharge (milliampere) x discharging
time (hour)
For example, if you insert 2400mAh battery into an appliance which consumes 50
milliampere current continuously, the operating time of the appliance will be
around 48 hours.
SKYRC NC2200 6.
SKYRC NC2200 Instruction Manual

Most electronic devices usually require two or more batteries to be used together.
In this circumstance, the overall performance of power will be limited by the worst
battery.
In other words, the poorly performing battery will affect the operating time of the
device. We can understand battery matching as group batteries with similar actual
capacity.
Grouping batteries by similar capacity will maximize the battery series' efficiency.
You can group batteries easily in the Refresh & Analyze mode!
Battery Matching
New batteries and those stored for more than three months become chemically
deactivated. The battery formatting refers to activating the battery with a small
charge and discharge rate in a charge-discharge-charge sequence, this can be
achieved through the Break-in mode.
In some circumstances, this process may need to be repeated two to three times.
Battery Formatting
AA Batteries
Battery Capacity(mAh) Charge Rate(mA) Discharge Rate(mA)
1800
2200
2400
2700
2600
1800
2000
2000
2000
2000
400
500
600
600
600
7. SKYRC NC2200
SKYRC NC2200 Instruction Manual

FIVE WORKING MODES
The charger comes with five working modes, each of which will be used under the
different situations below.
Mode Scenario
TURBO
CHARGE
AA Batteries
Fast charge with a large current of 2.2A for the batteries that
are needed urgently.
REFRESH &
ANALYZE
Refresh and analyze mode is used to determine the
battery's performance based on the actual capacity it can
hold. It's applicable for batteries stored for more than two
weeks and less than three months, or for batteries that are
not performing well.
DISCHARGE Discharge the battery with a programmable discharge rate.
CHARGE Charge the battery with a programmable charge rate.
BREAK-IN
Applicable for new batteries and those stored for more than
three months. The BREAK-IN mode is to activate the
battery with a small charge and discharge rate in a
charge-discharge-charge sequence.
SKYRC NC2200 8.
SKYRC NC2200 Instruction Manual

1, Ensure there are no batteries inside the slots before powering up. Plug the DC
jack of the power adaptor into the charger and plug the adaptor to the wall socket.
2, Insert batteries.
Note: Always insert the Negative(-) terminal FIRST as shown in the diagram.
The setting interface will pop up for each slot based on the inserting
sequence if more than one battery is inserted at a time.
3, The charger will stand by with the screen off if no batteries are inserted after
powering.
4, Program and start
Autostart: The charger will start charging automatically with the CHARGE mode
and 1000mA of charge rate as default if no operation within ten seconds after
the battery is inserted. NC2200 will start working automatically to the last
remembered setting if the charger worked once and its power uninterrupted.
Discharge setting: (take the DISCHARGE MODE for example)
USING THE CHARGER
Short-press the or buttons to select the desired mode when
"CHARGE" is blinking, click the button to confirm.
Inserting AA Batteries Inserting AAA Batteries
9. SKYRC NC2200
SKYRC NC2200 Instruction Manual

Short-press the or buttons to select the desired discharge rate when
"SET DISCHARGE RATE" is displayed and click the button to start
discharging.
Note: If you plan to apply this setting to all the rest slots, PRESS & HOLD the
button for two seconds to start charging.
Select working mode
Press ENTER to confirm
SKYRC NC2200 10.
SKYRC NC2200 Instruction Manual

5, The LED indicator will be solid red during the charging process.
6, The LED indicator will be solid green after charging is completed.
Note: During charging or discharging, the batteries' heating-up is normal. An audible faint may
also occur.
Select working rate
Press ENTER to start
11. SKYRC NC2200
SKYRC NC2200 Instruction Manual

To start the CHARGE mode.
1, Insert the batteries into the slots.
WORKING MODES
Please refer to the BATTERY KNOWLEDGE on page 6 to select an appropriate
rate to charge the battery by the selected charge rate.
Useful when the battery needs to be recharged without determining the capacity.
Applicable for charging the batteries in a good performance and continuous use.
4, The LED indicator will be solid red during the charging process.
5, The LED indicator will be solid green after charging is completed.
CHARGE MODE
2, Short-press the or buttons to enter the CHARGE mode when
"CHARGE" is blinking
3, Short-press the or buttons to select the appropriate charge rate when
"SET CHARGE RATE" is displayed and click the button to start charging.
Note: If you would like to apply this setting to all the rest slots, PRESS and HOLD the
button for two seconds to start charging.
To start the TURBO CHARGE mode for those battery slots being in the charging process.
Note: This mode assumes batteries must perform very well. The charger will detect the battery
resistance automatically under TURBO mode. If the battery resistance is more than 40mΩ, the value
and LED red indicator will be blinking, and the charger will stop working to protect the battery.
TURBO CHARGE MODE
SKYRC NC2200 12.
SKYRC NC2200 Instruction Manual

To start the TURBO CHARGE mode
1, Press and hold the button for five seconds to start the TURBO mode for
those slots being in the charging process.
2, The LED indicator will be solid red during the charging process.
3, The LED indicator will be solid green once charging is completed.
Please refer to BATTERY KNOWLEDGE on page 6 to select an appropriate rate
to discharge the batteries.
DISCHARGE MODE
To start the DISCHARGE mode.
1, Insert the batteries into the slots.
2, Short-press the or buttons to select the DISCHARGE mode when
"CHARGE" is blinking and click the button to confirm.
3, Short-press the or buttons to select the appropriate discharge rate when
"SET DISCHARGE RATE" is displayed and click the button to start discharging.
Note: If you would like to apply this setting to all the rest slots, PRESS and HOLD the
button for two seconds to start discharging.
To determine the battery performance based on the capacity amount it can hold
after a charge, discharge, and charge cycle, please refer to the BATTERY
KNOWLEDGE on page 6 to select an appropriate rate.
REFRESH & ANALYZE MODE
4, The LED indicator will be solid red during discharging.
5, The LED indicator will be solid green after discharging is completed.
13. SKYRC NC2200
SKYRC NC2200 Instruction Manual

Charge the batteries at 0.1C(0.1*battery capacity) for 16 hours and rest for 1
hour. Then, fully discharge the batteries at 0.2C and rest for 1 hour again.
Finally, charge the batteries at 0.1C for 16 hours again.
BREAK-IN MODE
To start the REFRESH & ANALYZE mode.
1, Insert the batteries into the slots.
2, Short-press the or buttons to select the REFRESH & ANALYZE mode
when "CHARGE" is blinking, and click the button to confirm.
3, Short-press the or buttons to select the appropriate charge rate when
"SET CHARGE RATE" is displayed and click the button to start charging.
4, Short-press the or buttons to select the appropriate discharge rate when
"SET DISCHARGE RATE" is displayed and click the button to start discharg-
ing.
The actual amount charged in the last cycle can be viewed on the charger.
Applicable to those batteries not performing well and determine the actual capacity
of the battery.
Note: If you would like to apply this setting to all the rest slots, PRESS and HOLD the
button for two seconds to charge or discharge.
5, The LED indicator will be solid red during working.
6, The LED indicator will be solid green when the process is completed.
The process of the REFRESH & ANALYZE mode are as follows
Charge and then rest for 1 hour.
Discharge and then rest for 1 hour.
Charge until fully charged.
SKYRC NC2200 14.
SKYRC NC2200 Instruction Manual

This process is also well-known as BATTERY FORMATTING and applicable to
the batteries that cannot be rescued by the REFRESH & ANALYZE mode.
The mode requires 39-45 hours to complete.
To start the BREAK-IN mode.
1, Insert the batteries into the slots.
2, Short-press the or buttons to select the BREAK-IN mode when
"CHARGE" is blinking, click the button to confirm.
3, Short-press the or buttons to select the battery capacity to determine the
charge and discharge rate.
When "SET BATT CAPACITY" is displayed and click the button to start
BREAK-IN.
Note: If you would like to apply the setting to all the rest slots, please press and hold the
button for two seconds instead of a short-press.
4, The LED indicator will be solid red during working.
5, The LED indicator will be solid green after the process is completed.
LED INDICATOR EXPLAINED
LED Indicator Explanation
Off Stand by
Solid Red Batteries inserted or charging
Solid Green Charging complete
Blinking Red The battery resistance is more than 40mΩ, Turbo Mode
terminates.
15. SKYRC NC2200
SKYRC NC2200 Instruction Manual

If the batteries are still not performing well after trying all the modes as in the
manual, refer to the battery rescue steps below:
1, Use the REFRESH & ANALYZE mode once to three times.
2, Change to BREAK-IN mode if the capacity is still low.
3, If the second steps can improve the battery capacity by more than 10%, please
try BREAK-IN mode once to three times again. If there are no significant
improvements and the actual battery capacity is less than 60% of its rated capacity.
The battery would probably be at the end of its life and needs to be replaced.
RESCUE BATTERIES
The charger will display rate, capacity, internal resistance, voltage, working mode,
and elapsed time.
This is the value above "mA" which means the charge or
discharge rate.
Note: The value will be slightly changed based on the selected
rate due to the pulse charging.
DISPLAYED INFORMATION
Charge / Discharge Rate
This is the value above "mAh" which means the total charged or
discharged capacity.
Capacity
SKYRC NC2200 16.
SKYRC NC2200 Instruction Manual

This is the time elapsed for a particular routine such as charging,
discharging, or rest in the program.
Elapsed Time
This is the value above "V" which means the battery voltage. If the
battery is measured with a multimeter during charing, the reading
may differ from what the charger shows. The reason is the
multimeter cannot accurately measure the voltage during charging
or discharging.
Battery Voltage
This is the value above "mΩ" which means the battery internal
resistance.
Battery Internal Resistance
When the internal temperature is more than 80°C(176°F), icon
will show to indicate that the temperature is too high. Please stop
the charger and resume until it cools off.
Overheat
When the charger is connected with the app, icon will be
displayed on the screen indicating connection success.
Bluetooth
17. SKYRC NC2200
SKYRC NC2200 Instruction Manual

The charging graph and firmware upgrading can be accessible with the SkyCharger
app if you connect the optional Bluetooth Dongle.
Bluetooth Dongle is based on the BLE(Bluetooth Low Energy) that it can only
be accessible by the SkyCharger app!
Please be reminded: NEVER try to connect Bluetooth Dongle via Phone's>Set-
ting>Bluetooth!
Just make sure your phone's Bluetooth is enabled, launch the SkyCharger
app, search and connect Bluetooth Dongle inside the app.
1, Make sure there are no batteries inserted in the battery slots before connecting
the power. Connect the DC plug of the power adaptor to the charger and plug the
power adaptor into the wall socket.
2, Insert AA or AAA batteries.
3, Start charging after programmed.
4, Scan the QR code below to download the SkyCharger app.
SKYCHARGER APP OPERATION
To use the app
SkyCharger app
*The optional Bluetooth Dongle(SK-600135)part is sold separately.
SKYRC NC2200 18.
SKYRC NC2200 Instruction Manual