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Lead acid battery charger

Place of Origin: Zhejiang

Company Profile

Location: Wenzhou, Zhejiang, China (Mainland)
Business Type: Manufacturer, Trading Company
Main Products: Circuit Breaker, Switch Power Supply, Solid State Relay, High Voltage Current Limiting Fuse, Miniature Circuit Breaker

Product Detail

Model No.: KP7220K

Product Description

1.Main product specification
Max. output power
Input voltage
Output voltage
Output current range
Combined regulation
1800W
230Vac
+88.2+/-0.2Vdc
20+/1.0A
+/-0.2V
2.Environmental condition
No.
Item
Technical specification
Remark
1
Humidity
5~95%
With package
2
Altitude
≤3000m
Work normally
3
Cooling
The power supply is cooled by 12VDC ball-bearing fans forced air
Working under full load
3.Electrical characteristics
4.1 Input characteristic
No.
Item
Technical specification
Remark
1
Rated input voltage
230Vac
230Vac single input
2
Input voltage range
200 ~ 264Vac
3
AC input voltage frequency
60 Hz
4.2 Output characteristic
No.
Item
Technical specification
Remark
1
Fast charge voltage
88.2+/-0.2Vdc
 
2
Floating voltage
82.8Vdc
 
3
Constant current
20.0A
 
4
Switch current
4.0A
 
5
Power efficiency
≥80%
Vin=230Vac, rated load
4.3 Protection characteristics
No.
Item
Technical specification
Remark
1
Over voltage protection
  
2
Software over voltage protection
The charger software limits the maximum output voltage to a level suitable for the connected battery system
 
3
Thermal protection
N/A
 
4
Current limiting protection
20.0A
At CC mode
5
Short circuit protection
Short circuit protection should be automatically recovery after remove the condition
 
6
Reverse polarity protection
When output wires are reversely connected to the battery the charger will not operate and will work normally when DC wires are correctly connected.
 
4.4 Charging indicator
No.
Item
Status
Remark
1
Power on
LED1: Red
 
2
Charging
LED2: Red
 
3
Fully charged
LED2: green
 
4
Charge voltage
LCD display
Select switch at V position
5
Charge current
LCD display
Select switch at A position
6
Completely charged
Charge current is very low(down to 0A)
Select switch at A position
4.Safety & EMC
No.
Item
Standard ( or test condition)
Remark
1
Electric strength test
Input-output
1500Vac/10mA/1min
No breakdown
2
Isolation resistance
Input-ground
≥10Mohm@500Vdc
 
Output-ground
≥10Mohm@500Vdc
3
Leakage current
<3.5mA
Vin=264Vac
4
Safety
CE / UL compliant
 
5
EMC
EN55022:1998+A1:2000+A2:2003
EN55024:1998+A1:2001+A2:2003
(EN61000-4-2:1995+A1:1998+A2:2001)
EN61000-4-3:2002
EN6100-4-4:1995+A1:2000+A2:2001
EN61000-4-5:1995+A1:2000
EN61000-4-6:2001
EN61000-4-11:2001)
 
6
LVD
EN60335-1:2002+EN60335-2-29:2002
 
Remark: Discrimination A- Function OK under technical requirement range;
Discrimination B- Function temporarily debasement without reposition and halt is allowed;
Discrimination R- Physical damage or failure of equipment are not allowed, but damage of protection device (fuse) caused by interference signal of outside is allowed, and the whole equipment can work normally after replacement of protection device and reset of running parameter
5.Environmental testing requirements
No.
Item
Technical specification
Remark
1
High temperature ambient operating
+40℃
Features ok
2
Low temperature ambient operating
-10℃
Features ok
3
High temperature storage
+70℃
Work normally after recovery under normal temperature for 2hours
4
Low temperature storage
-40℃
Work normally after recovery under normal temperature for 2hours
5
Random vibration
20Hz to 2000Hz 3Grms 20hours per axis
 
6
Repetitive shock
40g peak 3 orthogonal axes, 3+ and 3- in each axis, 11ms pulse width
 
7
Thermal shock
-35℃ to 75℃, <3min transition, 2.5hours dwell, 200cycle
 
8
Drop test
BS EN60068-2-32:1993 TEST ED: free fall appendix B
 
6.Mechanical characteristics
Outline dimension: L*W*H=330*175*115mm
Input socket: meets IEC standard;
Weight: 5.5Kg
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