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| Batavus Battery Installation |
| This is the wiring diagram and process I used
to add a battery to my Batavus. It works but if anyone can see any problems
or modifications that would make this system better, please email me with
the details. WARNING: This system is experimental. I take no responsibility
in the accuracy or damage this system may cause to you Bat. |
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Updated: 6/7/01
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This is the standard wiring diagram for the
Batavus moped. Click on photo for a larger printable view.
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This is a battery upgrade for the Batavus moped. No wires
need spliced because you can use spade terminal ends to wire into the terminal
blocks. Since the brakes aren't used that often the brake light coil doesn't
do any work during most of your riding time. This makes it ideal for charging
a battery. I used parts from a turn signal module to build my system, but
am in the process of changing the circuit with the help of feedback
that I'm receiving.
I'd like to thank Ron for his helpful insight on some of the pitfalls
in designing this system.
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S1 is a double pull/double throw switch. It switches between charging the
battery and taking the battery completely out of the brake light circuit.
Note: The brake light operates off the battery when switched to the charging
mode.
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S2 is a double pull/double throw switch also. It switches the headlight
and tail light between the battery and the magneto coils. I use this switch
in a high/low beam type of application. When I'm up to speed at night I
leave the magneto do the work. Then when I'm in town with stop and go traffic
I switch to the battery at the stop lights.
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B1 is a 6V Gel cell battery.
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D1 is a 25V 3Amp blocking diode or rectifier that keeps the battery from
discharging back through the coil. Also it changes the AC coil voltage
to DC for charging the battery.
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D2 is a 6V 3Amp zener diode that regulates the voltage.
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Wiring diagram for the battery system.
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