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C4
Manual V1.0
2023.06
www.toolkitrc.com
ToolkitRC Technology (Shenzhen) Co. Ltd
@ToolkitRC 2023
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Introduction
Thank you for purchasing the C4 balance charger,
please read this manual carefully before use.
Key Points
Tips Important Information
Further information
To ensure you have the best experience with this
product, please to stay up to date with news,
information and firmware updates for your charger; this
information could be found at www.toolkitrc.com/C4
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Safety
1. C4 allows input voltage of AC 100-240V. Ensure the
charger is connected to a suitable AC power outlet.
2. Do not use this product in hot, humid, flammable or
explosive environments.
3. Please do not use this charger without supervision.
Never leave charging batteries unattended.
4. When not using this product, please unplug the input
po we r.
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Contents
Introduction ......................................................... 2
Key Points ............................................................. 2
Further information ............................................ 2
Safety .................................................................... 3
Contents ............................................................... 4
C4 Layout ............................................................. 6
Quick start ............................................................ 7
Charging settings ................................................ 8
Specification ....................................................... 10
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Product description
The C4 is a compact balance charger; despite the
small size, the C4 has a maximum output of 50W!
Featuring an intuitive user interface and a LED display,
the C4 is a capable, bring-anywhere charger!
Charge and balance management of LiPo, LiHV,
LiFe 2-4S batteries. NiMh 5-8S
Voltage input AC 100-240V.
Charging current: 0.5A / 1.0A / 2.0A /4.0A Optional
Charging accuracy: <0.01V.
Balance current: 400mA.
LED Capacity indication：25% 50% 75% 100%.
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C4 Layout
Capacity indication
M
Heat dissipation vents
Heat dissipation vents
AC Input
Charge port
CURR
ODE Key
Front
Key
Back
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Quick start
1，Connect the C4 to a suitable AC 100-240V to power
outlet.
2，After the unit boots up, the initial LED status is shown
below:
3，Short press [MODE] key to select the battery type.
4，Short press [CURR] key to select the current.
5, Connect battery to balance port, when using a
Lithium-based (LiXX) battery, charging will start
automatically once the self-checking process has been
completed.
*For NiMH batteries, press and hold the MODE key for 2
seconds to start charging. The 4 status LEDs will flash
when charging and stay illuminated when charged.
6.
When all 4 bars on the status LED stay illuminated,
charging is complete and the battery may be removed
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Charging settings
1，Battery type setting
Press [MODE] key to select battery type, Press
[CURR] key to select charge current, the charging
process will start after the battery is connected and the
battery status is verified; The capacity indicator will blink
when charging is in progress.
Different battery chemistries have different cutoff
voltages. Please refer to the following table as reference,
and verify with your batter y manual:
4.20V Lipo
4.35V LiHv
3.60V LiFe
===================================
Important:
1, Ensure the correct battery type has been
selected prior to charging. An incorrect choice may
damage the batter y and/or become a fire hazard.
Please use caution.
2, Do not use this product to charge non-compatible
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battery chemistries.
===================================
===================================
Nomenclature:
1, Lipo: Often referred to as a lithium polymer
battery, a battery with a nominal voltage of 3.70V and
4.20V when fully charged.
2, LiHV: Often referred to as a high-voltage lithium
battery, a battery with a nominal voltage of 3.85V and
4.35V when fully charged.
3, LiFe: Often referred to as an iron-lithium battery, a
battery with a nominal voltage of 3.30V and 3.60V when
fully charged.
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Specification
type
LiPo LiHv LiFe 2-4S NiMh5-8S
Charging
Input AC 100-240V MAX 55W
Charge
Display
Product
Individu
al
packing
power
Balance
current
Charging
accuracy
LED 25%，50%，75%，100%
Size 106*64*35mm
Weight 165g
Size 115*70*58mm
Weight 220g
MAX 50W 4.0A
MAX 400mA @4.20V
<0.01V @4.20V
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