Bolt VD-420 Wireless Manual Flash - Manual (Page 11)

Powering the Transmitter | 11
Powering the Transmitter
The transmitter uses an included 23 A 12 V alkaline
battery that is user replaceable and can last up to two
years.
To change the battery:
1. Use a Phillips screwdriver to unscrew the
battery compartment screw on the back of the
transmitter.
2. Remove the old battery, and replace it with a
fresh one. Make sure to install the new battery
with the correct polarity.
3. Close the compartment, and tighten the screw on
the back of the transmitter.
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