which home inverter to buy

[digiFriend]

i want to buy 800 va (500 watts) home inverter. select 2 company luminous or APC power inverter.
if you are using any inverter,post your experience about it.
any knowledge/suggestion about inverters/battery are most welcome.
2)what is tubular battery

[sanju]

I am using Microtek 810 for the last 8 month
and feeling satisfy with it.
no problem

[hmmmmmmmmmmmmm]

wht is the difference between inverter n UPS ...explain...