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  1. K

    Low voltage cutoff for cold lithium batteries

    I'm using lifepo-batteries in my electric motorcycle. The motorcycle has 24 cells and thus a nominal voltage of around 77V. During normal temperatures the voltage dips around 5-7 Volt when high power is pulled from the pack during max acceleration. When the cells are cold, i.e. 0°C or below...
  2. K

    New e-bike project

    I'm looking to build a commuter e-bike using my Ridley X-bow 1317A Cyclocross. I'll try to go for a rear hub drive of 250W if possible and I have been looking at the kit from ciclotekstore: http://www.ciclotekstore.eu/b2c/producto/9822112/2/mk-e-bike-motor-kit-rear-...
  3. K

    Cold killed my 12V LiFeYPo

    I left my 12V LiFeYPo 90Ah battery pack in my boat for a month with around 0°C temperatures. During that month the Mini BMS drained the battery down to 7V. I really thought that there would be more capacity in the battery even during cold weather. Do I have to throw the pack away now?
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