^^ Firstly... I don't think a higher AMP batt will fit... You'll have to make some modifications

Secondly, what about the charging rate... would u need dual charger or a better charging mechanism?? I myself... ain't totallee sure about dis

Just checked out yesterday about 14aH battery that comes with Bullet (ES). Battery is huge and its tough to accommodate in Unicorn

And regarding charging rate, coil has to be rewinded with custom rectifier.

Output wiring changes not needed it seems

Any 9aH Amaron is direct fit so probably i ll go ahead with that

what bullet is having is 14aH battery?...its huge
and what will be the cost of 9aH Amaron battery....will this the solve the problem of drained battery after fitting 55-60w bulb...???

Nice to hear that... Keep us updated the same

To a certain extent yes bcz we ll have bit more current in stock to play around
Cost of Amaron 9aH is 1450rs in my place.. There are other 9aH batteries but Amaron gives 30months replacement + 30months guarantee.

SURE

Can someone tell the price of battery charger so that i can charge my battery at home

You want to charge the battery every nite? Why go through so much trouble just to use a 60W bulb? Its ridiculous.

Run the bulb on ac and decrease other ac load like tail lamp and speedo console lights. You will easily save about 20W. So, now atleast a 55W bulb will be supported without any other changes. I have done the same on my P150, so I know what I am talking about!

What I have suggested will be cheapest without any hassles.

If you want DC lighting at any cost, why don't u go for bullet RR units. I don't have much idea about them but heard they help.

Else, even get your coil rewinded.

Else, go for HID.

No use simply using a higher capacity battery. Again not much need to go for NB. I used OSRAM 60/55 costing Rs 80 and it works fine. Only marginal difference compared to NB.

In any case, be practical man. Charge and discharge the battery every day? It won't even last longer than a year!

Anyways, my $2. Let me know your thoughts.

This works fine, i know as i am using a spot light on AC current with 55w bulb without any other bulbs running.

100% i admit..

I wish to maintain stock condition with COIL and other parts. AFAIK getting coil rewind done is easy to get extra current i.e stepping up the current but its almost impossible to make that current stop when battery is charged bcz in day time the load is less.

HiD also runs on DC hence the same situation will occur

May be, i have not tried other Osram but have tried with Swift & Santro's stock bulb. There is lots of difference.

I wont charge & discharge everyday Actually my battery is not draining so fast. But thought to keep the battery life fine charging the battery once a month would be fine. I don't want to go to battery shop everytime for charging so thought to buy a charger.. What do u say??

I agree with u that charging the battery daily is a pain to us as well as battery but now after reading my idea what would u suggest.

I agree that it is better to maintain stock condition for better reliablity and peace of mind. Chuck out the speedo and tail lights. This willl mean NIL starter problem and battery hassles.

If you need tail lamp and speedo lamp like I did, use LEDs in place of the bulbs. No loss of functionality at all. But, aftermarket LEDs are costly. So, I did a DIY - http://www.xbhp.com/talkies/desi-bik...classic-6.html. Cost of the project - Less than Rs. 200. But not everyone can do it. If you know about electronics, it is a piece of cake.

HID needs 35W only. So you can use your stock ac headlamp power supply. Since it needs dc use a ac-to-dc rectifier and you are set! But reflector may get damaged.

Either way, you problem gets solved.

Unicorn electricals...

I read out this in some other forums but i dont know whether this would be practical or not...let me explain it..

The stock alternator of Unicorn is 125Watt which converts the current from coils...the current converted by alternator is further distributes among 7 points.. which is 125/7 = 17.85Watt per point
1 point is reserved for TPI or some thing like that..
3 point to alternator for running electrical...
3 point to Battery for charging...
means the current power given to alternator should be 17.85 * 3= 53.55 max..the current produced is enough for 35w bulb + 5 w tail lamp +1.7 *3 instrumental lights (35+5+5.1 = 45.1 watt )

But if 1 more point could be distributed to Alternator that would mean the alternator would be giving 17.85*4 =71.4 watt for running elecrricals..and the consumption would be like 55w bulb + 5w tail lamp + 1.7 *3 Instrumental lights i.e (55+ 5+ 5.1 =65.1 watt) this mean you could have 55w bulb on unicorn... if needed instrument light should be done on DC that would save 5w more now the bulb will glow at full cpacity even at 3000rpm...

earlier i tried 55w bulb on my uni with stock setting but didnt worked...i have to rev very hard to get brightness...

Available in JC road ranges from 500/- to 1500/-

This is what I feel. I do not have access to a uni to test it out practically.

Exactly.. It is better to replace tail lights & instrument lights with LED's so that the stock wiring can drive 55w bulb easily. Else that 3 coils has to be rewinded.

I'm no expert. Not even an amateur... but a thought...

Instead of routing power from 1 more point to the Alternator, if it is routed to the battery to improve charging rate and if you make the headlight work on DC (from battery) you get a much steady and strong beam and you can use the 55/60W headlight at its full potential.

Well, that's the good thing I thought off with this method. Is there any bad thing with this thought??? please let me know.

It will work. Beam will be steady and bright. But, too much charging and discharging lowers battery life. If you see, the situation is same as before. Earlier the bulb ran on direct ac, now it is on dc through the battery. But power is same. So, constant charging and discharging will occur. But due to the additional charge it is getting, the battery will not discharge like before. Routing through the battery may also induce ac-to-dc conversion losses.

To sum it up - shorter battery life. How much shorter can only be answered from experience.

ps - Not speaking from experience. Only a theoretical reply.