Velleman K7300 - User Manual

1
UNIVERSAL BATTERY CHARGER / DISCHARGER
K7300
ILLUSTRATED ASSEMBLY MANUAL H7300IP-1
Total solder points: 205
Difficulty level: beginner 1  2  3  4 5  advanced
A
u
to
m
a
t
i
c
(
d
i
s
)
c
h
a
r
g
i
n
g
o
f
b
o
th
N
i
C
d
a
n
d
N
i
M
H
b
a
tt
e
r
i
e
s
.

Summary

Features and Specifications

Key Features

Lists core functionalities like selectable charge current, battery types, voltage options, and charge times.

Assembly Instructions and Hints

Required Tools for Assembly

Lists essential tools such as soldering iron, solder, cutters, and pliers for successful assembly.

General Assembly Guidance

Provides crucial tips for a successful build, emphasizing following instructions and checking parts.

Soldering Techniques

Proper Soldering Practices

Explains correct soldering methods, desired joint appearance, and trimming excess leads.

Final Assembly and Adjustments

23. Adjusting the Built-in Clock

Explains how to adjust the built-in clock using shunts and a trimmer for accurate timing.

Connecting the Battery and Power

24. CONNECTION

Illustrates connecting the battery and power adapter, listing compatible battery holders.

Normal Charging Procedure

25. USE WITH NORMAL CHARGE (14 h)

Details how to configure normal charging for 14 hours using shunts for time, voltage, and current.

Fast Charging Procedure

26. FAST CHARGE (52 mins)

Explains how to configure fast charging for 52 minutes using shunts for time, voltage, and current.

Fast Charging Usage Notes

NOTE: Usage Warnings

Provides critical notes on using quick charge, avoiding battery damage, and correct settings.

Circuit Diagram and Connections

28. Diagram

Presents the detailed circuit diagram, illustrating component interconnections and values.

Velleman K7300 Specifications

General

Input Voltage	100-240V AC
Battery Types Supported	NiCd, NiMH
Battery Sizes	AAA, AA, 9V
LED Indicators	Charging, Fully Charged
Protection	Reverse Polarity
Battery capacity	Up to 3000mAh