Don't use Batterizer with Passive load devices. it will drain 2x faster.
Don't use Batterizer when expecting a working Battery gauge. it will render your gauge uselessly stuck at 90%.
Don't use Batterizer when it risks shorting to metal housing and overheating. it will burn you.
Don't use Batterizer in clocks and other low drain devices. it will drain more than the device.
Don't use Batterizer in very high current drain devices. it will add to ESR and not be able to maintain voltage
Don't use Batterizer with active load devices. it will just eat the battery faster.
Don't use Batterizer with devices not designed to fit it. It will stuck and break.
Don't use Batterizer with rechargeable cells.
Don't use Batterizer in life critical applications. It will die without warning.
Don't use Batterizer in products with springs on the "+" terminal. It will be stuck and break.
I think we have a new slogan here
Don't use Batterizer.