Answer / ramendra shukla

Yes there are huge difference b/w them.

Baterry- A device who Coliect the energy charges as +ve
and -ve ions are behave &named as battery.and also it
recieve fixed DC as input and varriable DC as o/p.

Inverter-
A device which convert varriable DC into fixed AC is known
as invertor. It does so by the help of solid state devices.

Answer / suresh

battery is a chopper .chopper is converted to fixed dc to
variable dc.
inverter is converted to fixed dc to variable ac.

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