Short, semi-chronological background to the shaft: A123 develops the best all-around battery, which is cycle-life-cost-competitive with lead-acid, and has best power density along with very good energy density. DeWalt incorporates these into their DC9360 packs. This poster designs simple hack to unleash the DC9360 for alternative uses. Kfong expertly develops and sells hardware to implement this hack. Stanley buys B&D/DeWalt. Short-sighted Stanley surreptitiously substitutes Samsung cells for A123. Hackers and more legitimate customers lose out.
http://www.youtube.com/watch?v=ZqPX46RX3gY
Meanwhile, A123 develops 7Ahr 32157 cells more appropriate for e-bike use. Also, back at Endless-Sphere, open-source BMS and chargers are developed.
http://www.a123rc.com/goods-474-LiFePO4+Battery+%28A123+32157%29.html
I am still using my unadulterated DC9360s after well over 1000 charges. They are performing as advertised by A123 and originally guaranteed by DeWalt. I haven't scoured the hundreds of pages on this forum for details about the open source electronics, but am wondering: Has there been a discussion of developing charging and discharging hardware specifically for the 7Ahr 32157 A123 cells, in 10 to 20 cell series packs? Could this hardware be made available to all of us as SEEED project?
http://www.seeedstudio.com/propagate/
http://www.youtube.com/watch?v=ZqPX46RX3gY
Meanwhile, A123 develops 7Ahr 32157 cells more appropriate for e-bike use. Also, back at Endless-Sphere, open-source BMS and chargers are developed.
http://www.a123rc.com/goods-474-LiFePO4+Battery+%28A123+32157%29.html
I am still using my unadulterated DC9360s after well over 1000 charges. They are performing as advertised by A123 and originally guaranteed by DeWalt. I haven't scoured the hundreds of pages on this forum for details about the open source electronics, but am wondering: Has there been a discussion of developing charging and discharging hardware specifically for the 7Ahr 32157 A123 cells, in 10 to 20 cell series packs? Could this hardware be made available to all of us as SEEED project?
http://www.seeedstudio.com/propagate/