Battery Vehicle Society

As I dont have access to 3 batteries I have decided to invest in a new charger and have found one thru Ebay for £20. I can keep the old one at my shop and use it for a quick top up. I'm assuming that a short charge at full power will avoid any overheating problems and to be on the safe side I will c...

Mmmmm ! I thought my old batteries had died from neglecting to charge them but when I I look at them they look "blown" ie mis-shaped. Could this be due to overcharging/overheating and gas expansion and if so, is there any way I can check/repair the charger. As a Yorkshireman ( and a pensio...

I have a Sakura S305 e bike which runs on 3 x 12v 14 ah SLA batteries wired to give 36v. The charger appears to be a typical common chinese type with a 3 colour LED to indicate battery condition. Needless to say the charger bears no information as to make, model, or any input/output specs. Having re...

My Sakura 305 has a 6 speed gear and once my speed exceeds 10mph I find that I have to pedal like fury in order to provide any manual assistance to the motor. Is it possible to replace the highest gear cog with a smaller cog so that I can provide some input at higher speeds and thus extend the batte...