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5~10S 7.5V-15V 1A ni-mh ni-cd battery charger for 6-12v batteries

Input Part

1. Input:100-240Vac  50/60Hz

2. Input voltage range: 90-264Vac

3. Input plug(power cord): EU  US  UK  AUS   South Korea Plugs(or Interchangeable plugs)

Output Part

1. Max voltage (with no load): 13-15V(for 2.4-6V 800mA), 19-22V(for 6-10V 600mA)

2. Output:

3.6-6V 800mA(for 3-5cells nimh battery pack)

4.8-9.6V 800mA(for 4-8cells nimh battery pack)

6-12V 600mA(for 5-10cells nimh battery pack)

3. Trickle Current: 55--65MA(Pulse ratio 1/20 +10mA)

4. Short Circuit Current: 10—20mA

5.Suitable Chargin Voltage: By -deltaV,it can find suitable charging voltage for charging batteries. 

             Such as 4cells Ni-mh battery,charging voltage will set to be 6V,trickle current: 45-65mA

Control Unit

1. -delta V Detect: -5mV

2. 0 delta V Detect: 50--65S

3. Temperature protect: Power Supplier IC = 150°C  

4. Temperature protect(optional): Battery package 50--60°C

Using 10K MF52 NTC, B=3950    

5.Pulse ratio: 35/512  512mS/Cycle 

(Trickle Charging Mode, each charging time:512mS, stop time:35mS)

6.Timer:2.5-8Hours (Suitable for batteries with capacity 1.2-4.4AH)

Safe Protection

1. Over-Current Protection

2. Short-circuit Protection

3. Polarity Reverse Protection

4. Over-temeprature protection

5. Over-load Protection

Led display for charge state:

1. Green---no load/ fully charged

2. Red---in Charging

3. Red flashes---Output polarity reverse/ Short-circuit/ low Battery voltage

Pulse Charging

The battery is charging 500mS and stop 35mS. 

That makes the charging progress most effectively and battery package’s temperature rising lower.