This goes for the new potential buyers who are looking forward to buy new GS150.
as we all know in pakistan new motorcycle comes with the lead acid battery installed in it, but u can asked the dealer for not to install the battery at the time of booking and u will supply yr own battery at the time of delivery of motorcycle. in such case dealer will refund u the cost of battery that is 1900 rupees currently.
buy yr self a maintenance free battery of same type they are easily available nowadays costing same price.
go for better ampere battery like 12v9ah or 12v12ah battery.
with 12v12ah battery u have almost the same type terminal which stock battery have (use 8mm 'head size' nut and bolt) unlike 12v9ah battery which have clip type terminals.
a little modification is needed on battery stand to make it accommodate the maintenance battery which can done by the technician at the dealer within 5 mints.
best of all u will remain tension free from yr battery side as bike will be clean no acid dropping on frame, no requirement for filling up the liquid. and as per my experience maintenance free battery have longer life than lead acid battery.
it will not void warranty of yr bike.