Search found 4 matches

by ding dong
Mon Aug 23, 2010 9:00 pm
Forum: All things battery related
Topic: Battery charging problems
Replies: 4
Views: 4568

Re: Battery charging problems

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...
by ding dong
Mon Aug 23, 2010 11:18 am
Forum: All things battery related
Topic: Battery charging problems
Replies: 4
Views: 4568

Re: Battery charging problems

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...
by ding dong
Mon Aug 23, 2010 1:18 am
Forum: All things battery related
Topic: Battery charging problems
Replies: 4
Views: 4568

Battery charging problems

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...
by ding dong
Mon Aug 23, 2010 12:54 am
Forum: Electrically assisted bikes
Topic: Altering bike gears
Replies: 2
Views: 4356

Altering bike gears

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...

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