Lead Acid Battery Chargers from China manufacturer

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: KP7220K

Battery Charger KP7220K 330*175*115mm is cooled by a 12VDC ball-bearing fans with forced air, can work normally under 88.2Vdc/20A and with reverse po

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
2	Isolation resistance	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