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    Electric Rider LiFePO4 48V 15AH Battery w/ Rack and Top Peak Case

    I have an ElectricRider Lithium Iron Phosphate (LiFePO4) battery w/ BMS for sale. It is the LiF4815T model (48V 15AH). I bought originally bought it from another member here on the forum several years ago. I didn't use it much--maybe has 40-50 charge / discharge cycles on it and I really didn't...
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    Help! My 1st gen Crystalyte hub motor died

    Hey guys, I have an old Jamis Dakar mountain bike with a first generation Crystalyte CT4840 hub motor in the back wheel that I think I smoked the motor on. I was going up a steep hill full speed for about 6 minutes before I killed it. I'm not sure if it is easy to fix (or if it's even worth) but...
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    Lyen 12 Fet 48V controller - How to Retrofit Crystalyte?

    Hello All, I recently blew my controller and am wanting to replace the MOSFETs. I need to know the specifications on the MOSFETs so I buy the correct ones. Does anyone know what the specs for the older, first generation Crystalyte CT4840 controller are? Also, can the replacement MOSFETs be...
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    Broken Controller - Crystalyte CT4840

    Hello All, I'm somewhat of a newbie here. I have a Jamis Dakar fitted with a Phoenix/Crystalyte x5303 motor (1st generation with no disc brake). A couple months ago, I stupidly tried to climb a sidewalk curb from a stop and broke something within the Crystalyte x5303 motor. :oops: I remember...
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    Yuntong 48V 20 ah BMS Failure??

    I just bought a Jamis Dakar bike with an older Crytallyte hub motor (1st gen originally purchased by previous owner around ~2008). It has a Yuntong LIFEPO4 battery (yuntong-batt.com) that is no longer good. Seller told me that he thinks the cells are still good but that probably the BMS went...
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