Velleman K7300 Specifications

1 UNIVERSAL BATTERY CHARGER / DISCHARGER K7300 ILLUSTRATED ASSEMBLY MANUAL H7300IP-1 Total solder points: 205 Difficulty level: beginner 1  2 

10 • Mount a shunt over the 14h position. • Select the battery voltage to be connected using a shunt on the 1.2V to 9.6V connection. • S

11 • Mount a shunt over the 52 min position. • Select the battery voltage to be connected using a shunt on the 1.2V to 9.6V connection. •

12 NOTE:  Only use the quick charge facility in the event of an emergency, as this type of charging can reduce the battery lifetime.  Never mix ba

13 27. PCB layout. PCB

14 28. Diagram Diagram

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16 Modifications and typographical errors reserved © Velleman Components nv. H7300IP - 2005 - ED1 VELLEMAN Components NV Legen Heirweg 33 9890 Gavere

2 Specifications: Many battery chargers are available on the market, but few of them are universal chargers that can be used for all battery types. U

3 Assembly hints 1. Assembly (Skipping this can lead to troubles ! ) Ok, so we have your attention. These hints will help you to make this project s

4 Assembly hints 1.3 Soldering Hints : 1- Mount the component against the PCB surface and carefully solder the leads 2- Make sure the solder j

5 Construction  D1 : 1N4148  D2 : 1N4148  D3 : 1N4148  D4 : 1N4007  D5 : 1N4007 2. Diodes. Watch the polarity ! D. . .CATHODE  ZD1 :

6 Construction  C1 : 47nF (473)  C2 : 47nF (473) 9. Capacitors. C...  RV1 : 220K 6. Trim potentiometer RV18. 1W Resistor R...2mm

7 CATHODE  LD1 : Red  LD2 : Green Mounting into a housing : Mount these LEDs through the housing using the supplied hold-ers and by extending

8 Construction 21. Power transistor  T3 : BD676 10mmM3 BOLTM3NUTLOCKWASHERMETAL SIDE22. IC. Watch the position of the notch!  IC1 : CD4536

9 Connection 24. CONNECTION Connect a battery to the ACCU + and - connection. One of the battery holders from our range can be used such as: • Type