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Should you install a Battery Management System to protect those expensive Lithium batteries?

Posted on:
Wednesday, May 15th, 2013
Author:
Ken

  The 45 cell LiFePO4 battery pack in my electric MR2 costs $10,500. A Battery Management System (BMS) can easily cost another $1200. If you are considering a set of Lithium batteries for your conversion, should you invest in a BMS to protect your batteries or not? I chose not to, and it has served [...]

Posted in Batteries, BMS, Cell log 8, Charger, Instrumentation, MR2EV | 11 Comments »

Charger Repaired and back on the road!

Posted on:
Thursday, October 11th, 2012
Author:
Ken

Manzanita Micro has fixed the charger and I’ve charged for a couple of nights without issue at about 40amps out. I get about 140ah on my 144V pack in less than 4 hours on 220V AC. It is nice to be back on the road again, especially with the recent gas price spike from 4.20 [...]

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Posted in Charger, Maintanence, MR2EV | No Comments »

Continued trouble with Manzanita Micro PFC30M charger.

Posted on:
Wednesday, September 26th, 2012
Author:
Ken

I lost a week of driving in the electric car in September because I sent the charger to Manzanita Micro for repairs. They replaced a couple of chips in the charger and now I can charge at a DC input of 40amps compared to only about 32amps prior. However, the amp oscillation problem described in [...]

Posted in Charger, MR2EV, Reliability | No Comments »

J1772 charging

Posted on:
Saturday, January 14th, 2012
Author:
Ken

Here are some random photos of the electric car charging at one of those ChargePoint chargers using the high voltage, level 2 port, with the J1772 adaptor. I’ve charged at the Pleasanton Stoneridge Mall, Hayward Walgreens, and SFO airport.

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Posted in Charger, Misc, MR2EV | No Comments »

Extending My Range in the Bay Area

Posted on:
Saturday, December 17th, 2011
Author:
Ken

With the knowledge of my new limited range, I need to find charging stations around the bay area to extend my range. The good news is that there is plenty of free charging around the bay area. San Francisco has announced that it will charge EVs for free in public garages until 2013, READ HERE [...]

Posted in Charger, MR2EV, Range | No Comments »

Pictures

Posted on:
Monday, July 4th, 2011
Author:
Ken

Here are some pictures… EV gauges Charger Located in front. The Manzanita Micro Charger lets me charge anywhere up to 240V and 30amps. Control Boards located in the motor bay behind passenger and driver seats 17 Batteries up front 22 Batteries in the rear Cheap Battery monitor system Be safe! New Suspension System Look ma, [...]

Posted in Batteries, Charger, DriveTrain, Instrumentation, Motor, MR2EV | 2 Comments »

Ordering parts

Posted on:
Saturday, January 17th, 2009
Author:
Ken

I ordered most of my parts from EV America in New Hampshire. Bryan and Bob from EV America were very responsive to my questions. Another fellow EVer, Michael Brooks (He just converted a 1986 Honda CRX HF), also had good things to say about them. The following are the components that I did not order [...]

Posted in Adaptor Plate, Charger, EV components, MR2EV | No Comments »