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  1. C

    Battery Long Term Test: Powerlab 6 or CBA or ??? equipment

    Hi guys. I have these A123 26650 M1b cells. I would like to run a cycle test on a single cell. So far I have seen Powerlab 6, CBA IV, and iChargers on the internet. There may be other equipment or makes I don't know about. Objective: Identify long term cycle effect of the cells at 1C, 2C...
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    A123 26650 M1B Pictures

    Comparing M1A and M1B battery cells. M1B was purchased from batteryspace.com. M1A is from ES for sale forum, disassembled 3s pack with BMS removed. In the pictures, M1B has the trash can symbol. The bar codes are a bit different. The last picture shows two M1B cells. The shrink wrap are...
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    A123 12V7 battery, available for purchase online

    A123 commercial division just dropped me an e-mail. A UPS size battery is available now. It's only 4.6Ah. Here is the link. http://www.buya123batteries.com/default.asp $129.95 each. The battery has 8 M1A cells. With over voltage, under voltage, temperature, balancing circuitry built in...
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    Electric Vehicle power cable - suggestions?

    Guys, I am looking for large size power cable for my electric vehicle. Here is what I have: Warp 11 HV motor, DC Soliton 1 controller, 350 V, DC, 1000 A, liquid cooled Tyco contactors Lug tools to attach lugs to cables Disassembled Delorean DMC-12, 1981, 5 speed stick transmission, engine...
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    A123 26650 M1B Cell 2.5 AH - new?!

    FYI. Ran across this while doing research. I think these files support the official change over from 26650 M1A to 26650 M1B. German eBay http://www.ebay.de/itm/A-123-LiFePo-2500-mA-ANR-26650M1B-A-Ware-Neuheit-/290670862361?pt=RC_Modellbau&hash=item43ad556019
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    Zero Motorcycle Battery Available - online order

    Guys, I just noticed zero motorcycle battery pricing is available. Looks like a 2010 edition, not the 2011 edition. ~$3000. http://www.zeromotorcycles.com/shop/index.php?main_page=product_info&cPath=2&products_id=10 Also saw Agni motors for sale. $1299 each...
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    MOSFET and Transistor Real World Application - Technical

    I found this on the internet and found it useful. Not sure what the copy right rule is, but all credits go to the original author. Full credit to author. [mods: remove if this violates forum policy.] ------------------------------------------------- Understanding MOSFET Current Ratings By...
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    Lipo Battery Box design

    Hi. So what is the current design thoughts on battery box? Primary objective is plan for LiPO fire. 2nd priority is weight consideration. Wood? Plastic? Aluminum? Steel? Immerse in mineral oil like steveo suggests? Let's assume LiPO fire is a certainty. How would you design it to...
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