Electric Vehicle Air Conditioning Options

Background: A Peltier effect, thermoelectric device creates a temperature difference when a voltage is applied to it. The device is also thermodynamically reversible. When the poles are reversed the hot side becomes the cold side and vice-versa. Also these semiconductor devices have the Seebeck effect. Seebeck is the conversion of temperature differences directly into electricity…

EV Watts per Mile after 3 Weeks

June 5, 2011 started driving the Saturn again with the LiFePO4 CALIBs. After 3 weeks I have recorded the results. Notice how the effeciency changes. One cause is the charger is not consistant. Sometimes not fully charging. So far I have not seen it overcharge. When recording the voltage I have not seen it go…

EV Lithium LiFePO4 test drive

Batteries are installed. Forty Eight of them, CALIB 130 ah at 3.2 volts each comes out to 153.6 volts. 182112 is the odometer reading when the Lithium batteries are installed and the key turned on The old pack was lead acids 18 of the 8 volt golf cart deep cycle Exide 150 ah running 144…

Banding Lithium Batteries

Changing over from the lead acids to Lithium in the LiFePO4 (lithium iron phosphate) format included different requirements physically. –Physical Differences– * Require one third less space * About half the weight * Most will be strapped with copper bars which have little flex * Batteries can swell when discharged or charged quickly and damage…

CALIB Lithium Iron Phosphate Batteries Purchased and Received

Well, I decided on CALIB batteries because of discussions on http://www.diyelectriccar.com and http://www.evdl.org/archive/index.html . Specifications Model:SE130AHA Keegan Han is the manager at Calib Power Inc. The company is a quisi-China government company, like a retail outlet for CALIB . I emailed him and he quickly replied. We emailed a few more times and talked on…

LiFePO4 Battery Brands and Distributors December 2010

The following table is a list of lithium phosphate, electric car suitable, available and beyond the testing phase batteries. As before, there are NO USA lithium battery companies selling to the independent EVers. ————————————   Brand Distributors Manufacture Info Wilson (Thundersky) Lithiumstorage AllianceRenewableEnergy EVolveElectrics ¬†CurrentEvTech Winston Battery Limited, Shenzhen in PRC, China GBS RebirthAuto¬† ElectricMotorSport…

LiFePo4 Battery Price Comparisons November 2010

LiFePo4 Battery Price Comparisons November 2010, Non-West Coast USA Since the old battery order will not ever arrive, lets start over again. Price comparison and deliver time and trust factor. I will edit this list if more info needs including. Not going to do it I am not going to do these 3 things again…..…

Big Delay in battery order

EV Components has gone out of business and so has my money for the Thundersky batteries and the Elithion BMS. The owner ….. ……. made the following several replies at this forum DIYElectricar.Com. ……………………..bankrupt EVComponents owner and under lawsuit from customers that never received components. Sitting in his Telsa His first answer for the delays…