Showing posts with label battery. Show all posts
Showing posts with label battery. Show all posts
Thursday, 23 April 2009

249kWh/km

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I traveled 33.3km last night and averaged 249kWh/km. This is based on voltage measurement. This means to 80% discharge I can travel 38.5km.
Monday, 23 March 2009

Zener - Resistor battery balance circuits

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I have had to make a few more Z ener - resistor balance circuits as some were not evenly matched and caus ed 2 batteries to discharge ...
Saturday, 7 February 2009

Tray cover complete

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Over the last week I have installed the tray cover to keep the weather out. The air strut is a nice touch and makes raising and lowering the...
Sunday, 1 February 2009

kWh Meter

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I added a DIN rail kWh meter so I can assess the efficiency from wall to wheels. i will be able to calculate Wh /km. Hopefully it will be ...
Sunday, 23 November 2008

12 volt battery installed

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When I bought my batteries I ordered 5 additional as spares. Rumor has it that the failure rate is about 1 in 30. I have used one of the spa...

All battery interconnects are installed and wiring done.

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This weekend I installed the battery interconnects. They are made from copper sheet, cut into 12mm strips and drilled. All the straps are n ...
3 comments:
Saturday, 15 November 2008

Batteries Installed

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Today I installed the batteries and cut and drilled copper bus bars. Also put heatshrink. I need some stainless steel bolts to attach the bu...
6 comments:
Sunday, 9 November 2008

Battery box and VFD installed

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While I was away last month Geoff from GT Tooling built my battery trey. Yesterday I installed it and the VFD in the tray. B eneath the tr...
1 comment:
Tuesday, 23 September 2008

50 x balance systems.

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Here are a few snaps of my battery balance system construction. they consist of 2 x terminals, 2 x 6.8v Zeners and one 4.7 Ohm resistor. Ea...
Tuesday, 2 September 2008

A few notes

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My batteries are on a ship on their way from China. Should arrive mid October. Spent Saturday installing the dashboard and stereo. Gotta hav...
2 comments:
Wednesday, 11 June 2008

The long awaited 20Ah Greensaver Test Results

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Greensaver 20Ah Battery Testing Apparatus: Microprocessor controlled battery discharger and charger. 4 x 1 Ohm 200 watt re...
Thursday, 29 May 2008

Update - Batteries - Tester - Diff - Steering - VFD - Tray

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It has been a few weeks since my last post so an update is in order. photos to follow. 1. I received the Greensaver batteries (20ah and 27ah...
Saturday, 5 April 2008

Battery Balancer

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I have been thinking about how best to balance my chain of batteries, all 50 of them. As there are 50 units the price could be quite signifi...
4 comments: