Would anyone here know if there is any info on this old electric bike of mine, which I am trying to do up, it works ok, but has a noisy motor on it. also the only name on bike is a phillips with 2 Ls I have been on this web site before with this bike as it had 2 SLA batteries before, but with help on here they told me to change it to a lithium one. would anyone know of have one same or any help would be most appreciated