set database: LEGO 9833 transformer 9V

set database: LEGO 9833 rechargeable battery

image courtesy of aard.ru

image courtesy of speurders.nl

set number: 9833
set name: transformer 9 V
theme: technic, mindstorms
year: 1996
piece: 1
price: us$24
minifig: none

come with a transformer 9V.
designed for charging 9798 rechargeable battery. 

overall design is good.