Battery Vehicle Society

This motor is the AC31 by HPGC (High Performance Golf Cars). The flat part of its torque speed curve extends to about 1800 rpm (about 99 lb-ft), so peak shaft power is at about 1900 rpm. The same company recently introduced the AC50 motor with the same Curtis controller 1238-75, 550A. The flat part ...

Team Agni won! 87 mph!

Well, while I'm waiting for Stybrook to respond, has anyone been using this bms, and if so, how is it working? It seems to mainly be used in the UK. Evpower in Australia seems to have their own version, but I don't know any details on how it works. The US seems to only offer very expensive systems w...

Good to see you are forging ahead with another conversion Greg. That's the spirit! Also good to see China Hipower is cooperating so well. I am of course very keen on understanding why your vehicle caught fire. Also very relieved no one was hurt and your house is intact! I've been trying to contact S...

This is a question for all those who have used or are using LiFePO4 batteries. Do you feel they are worth the added cost over lead acid batteries and if so, why? Do you have an estimate of your amortized cost/mile for them over their expected lifetime? What is the expected lifetime? I am trying to d...

Nice collection of data, thanks! You might add a comment as to what current draw the rated capacities are given (20 Amp is common, but not all use it). A date that the prices were current would be nice, but it is easy to go to the supplier's website and check. It would be really great if the Peukert...