Gudy Electronics GC60-12A User manual

CAUTION
1. SAVE THIS INSTRUCTIONS- This manual contains important safety and
operating instructions for the GC60-12A battery charger.
Please read the caution of batteries or devices you want to charge firstly!
2. When charging, batteries can emit explosive gases, therefore it is essential to
prevent flames and sparks. The charger is designed for charging lead-acid
batteries from 7 to 80 Ah. Do not use for any other purpose.
3. Always provide good ventilation when charging.
4. Use of an attachment not recommended or sold by Gudy Electronics Ltd may
result in a risk of fire, electric shock or serious injury to persons.
5. To reduce risk of damage to electric plug and cord, pull by the plug rather than
by the cord when disconnecting charger.
6. An extension cord should not be used unless absolutely necessary. Use of an
improper extension cord could result in a risk of fire and electric shock. If
extension cord must be used, make sure that: a) Pins on plug of extension
cord are the same number, size and shape as those of plug on charger; b)
Extension cord is properly wired and in good electrical condition; and c) Wire
size is large enough for ac ampere rating as specified in “technical data”.
7. Do not operate charger with a damaged cord or plug-return the charger to the
place where purchased.
8. Never operate the charger if it has received a sharp blow, been dropped or
otherwise damaged in any way; take is to a qualified serviceman.
9. Do not disassemble the charger; take it to a qualified serviceman when service
or repair is required. Incorrect reassembly may result in a risk of electrical
shock or fire.
10. To reduce risk of electric shock, unplug charger from AC outlet before
attempting any maintenance or cleaning. Turning off controls will not reduce
the risk.
GC60-12A12V Lead-Acid Battery Charger
User’s Manual
May, 2011 3rd Version
Gudy Electronics Ltd.
Website: http://www.gudycharger.com/ Email: [e-mail]

Input Voltage
100-240VAC，50-60Hz
Input Current
1.1A
Back current drain
1.3mA
Charge voltage
Rating 12V, Bulk limited voltage : 14.7V
Ripple current
Current-ripple:<= 0.13Arms
Bulk charge current
3.3A for GC60-12A, 2.0Afor GC60-12AS
Operate Temperature
-20℃~50℃
Cooling
Natural convection. Do not cover the charger.
Charge principle
Auto 4 stages: Ud-Im-Uo-Up
Battery type
All types of 12V lead-acid batteries.( SLA, Gel, AGM….)
Battery capacity
7-80Ah for GC60-12A, 4~40Ah for GC60-12AS
Size
120X67X41mm
Enclosure
IP54 (Dust protected, Water splashing resistance)
Weight
270g
Brief Introduction
GC60-12A is based on switchmode technology, which make it them more efficient and
smaller, and with microprocessor controlled to make it very accurate. It is programmed
smart 4-stage (Ud-Im-Uo-Up) charging process, It is designed for all kinds of 12V
7~80Ah lead-acid battery, such as SLA, AGM and Gel battery. Stage “Ud”
desulfurating the battery through 18V pulse, When the battery recovered, stage “Im”
will give bulk current charging( 3.3A or 2.0A). Then, “Uo” stage is followed, the output
voltage is limited on 14.7V; When the battery is nearly full, stage”Up” will turn on duty.
At this stage, the battery is charged completely and the charger give some pulse to
maintenance the battery.
What’s more, it can display the charging process, indicate the battery capacity from
25% to 100% timely. This is helpful for user.
For more safety, it will enable protection mode when the battery polarity reversed or
the output connectors shorted.
Display Panel
Power on
(When AC
input OK)
Charging process indicator:
Indicate battery capacity from 25% to
100% when charging.
All lamps flashing means battery
polarity reversed or output shorted.
All lamps are “off”means no battery.
When this LED lamp is “on”and
other 3 lamps are “off”, this
means the charger enter the
recover(desulfurating)process.
Specs for GC60-12A How to use:
1. Connect the AC cord to the socket, The “power” lamp will light on RED.
2. Connect positive charger clip (red) to positive battery terminal, the black clip
to negative. (You can use other dc plugs to connect battery), the
“25%~100%” lamps will light on flowing. If the battery polarity reversed or
output shorted, all lamps will flashing, please check the setup.
3. Depend on the charged capacity, 25%~100% lamps will lights up solid
sequence, until the battery is fully charged. Then you can power off the
charger and disconnect the battery or you can charge a new battery if you
need.
The table shows the duration of the Bulk stepup to about 80% state of charge.
Battery type（Ah）
GC60-12A（hours）
GC60-12AS (hours)
12
3
5
22
7
10
45
14
20
75
22
Not recommend