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Quote:

Originally Posted by harleyrider (Post 136015)

I don't agree that it is not practical to use an inverter.
My own 350 has a 190w alternater and a 14 amp/hr battery.
I use a 150w invertor from 12v to 240v, which is enough to recharge my laptop and the battery cell for my camera or mobile phone when I need it.
I don't use the headlight when I'm using the invertor. You can also save some power by replacing indicator and stop/tail bulbs with LEDs. If you want daytime running lamps you can use a 20w bulb as a pilot light instead of dipped beam..

Could you further elaborate on step to step to install the inverter to the bike. Would really appreciate if can add with photo

Quote:

Originally Posted by harleyrider (Post 136015)

I have thought of rigging up a backup battery in a pannier or topbox to be charged when not using the invertor and disconnected when using it so I always have a fully charged battery if I do run the main battery down, but I haven't done it yet.
Perhaps I should also point out that my bike has magneto ignition and a kickstart as a backup to the electric start.
The main thing to check is that you are getting a reading of at least 13 volts at cruising speed with your electrical load on, by using a multimeter or voltmeter.

COuld you describe on you going to do it as i got not much idea on the bike wiring and connection....
My bike does not has kickstart.....

I'm sorry I can't do photos at the moment as I'm in the middle of installing some new panniers and top box, however it's not difficult to explain.
The invertors are available from Halfords, Maplins and I'm sure ebay as well. They come in various sizes, I chose a 150w which is about 125mm x 30mm x 50mm. It comes with a car type cigarette plug which incorporates a fuse. I bought a suitable connector plug and socket from maplins. I wired the socket direct to the battery via an inline 15 amp car type fuse. I chopped off the cigarette lighter plug and fitted the new connector plug after passing the lead through a hole in the top box (via a grommet). You need to be careful to check the positive and negative connections on the new connectors match that used by the original cigarette lighter plug.There is an on/off switch on the invertor and whenever it's switched on there is 240v available at the units output socket.
If I was to use a back up battery I would use a similiar system of connectors to connect both batteries in parallel, ie +ve to +ve and -ve to -ve. Then I'd connect them when I wanted to charge both batteries and disconnect them to conserve the spare battery. A switch would make this a bit easier.

Thanks harleyrider

i think i get what mean by you. I will buy an inverter as mentioned by you. Keep update when you finish you bike modifiction especially on the battery system

Maplin > In-Car Power Invertors

here's a selection of inverers to give you an idea of size and power output

Quote:

Originally Posted by Bill Holland (Post 137161)

Maplin > In-Car Power Invertors

here's a selection of inverers to give you an idea of size and power output

thanks for it

British 3-pin output socket

Be aware that the inverors bought in the UK will have the UK 3-pin square 230/240V ac socket

or you build it yourself... :beta1:

warning! messing with high voltage could result in fatal accidents! :angel:

500W low cost 12V to 220V inverter

compact inverter

Here is the smallest inverter I've seen

In Car Power Inverter - BuyPartsBy

handles 100 watt (so it says)

160 grams