Battery Charging - NEX ROBOTICS SPARK V ATMEGA16 Hardware Manual

Figure 3.6: Schematic of power management on module

3.4 Battery Charging

Robot has onboard battery controller which charges robot's battery. Use any AC adaptor / SMPS
which can give precise 12V supply with at least 1 amp current. If voltage is more than 12V the
battery will not get fully charged.
Battery charging procedure:
1. Make sure that robot's power switch is in off position.
2. Insert the 6 NiMH batteries / battery pack of 800mAh or more capacity.
3. Insert the DC jack of the AC adaptor SMPS with 12V, 1Amp rating in the battery
charging socket of the robot and power up the AC adaptor / SMPS.
Now smart battery controller will sense the presence of the battery charging supply and will start
charging the battery. It will terminate the battery charging once battery is fully charged. During
© NEX Robotics Pvt. Ltd. and ERTS Lab IIT Bombay, INDIA
SPARK V ATMEGA16 Hardware Manual
Figure 3.7: Battery Charging
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