batteries

Hello everyone, I would like to know what I should know to buy a battery for a 250W 48V rear hub. Can I buy any battery? Does the controller have something to do with this? Could I install a 1500w 21Ah battery in my 250W 48V rear hub?

I am selling my Gtech Battery (v2) and charging dock, which is compatible with both the Sport and City versions of the Gtech bike. It's about a year old, and has been well looked after, and still lasts pretty much as long as it did when I first got it about a year ago. Sadly, some thieves stole...

Hi, Please can anyone recommend a reasonably priced quality charger for a 36v 20ah pack. In an ideal world I would buy a Grin Technologies Satiator but they are pretty expensive. There seem to be loads of cheap plastic chargers out there that I would not trust. Ideally I am looking for a...

Hi all, Thanks for a great forum. I have a kalkhoff pro connect with the Panasonic mid drive s-pedelec 26v motor and a spare battery. Now I am considering buying an electric inflatable boat with a 150 watt motor. The motor is 12v. Given that I have a transformer from 26v to 12v, do you think...