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    Could this be an option?

    I recently saw this add for a 10 cell Lipo for R/C models. At 37volt 4.5amp I wondered if it could be used to power a bicycle. It doesn't have the management system of a bicycle battery and a purpose made charger would be needed to balance charge it. Advantages may be price and light weight...
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    SportsHQ 24hr sale.

    20% off everything at sportshq today. Enter YEAREND at checkout.
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    Another SportHQ discount.

    Enter PGA15 at checkout for a 15% discount.
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    Ping battery help.

    Do any of you Ping battery user's know what the BMS's red led's signify? Had a couple come on shortly before charging completed. I think it may be over voltage on those cell's and BMS is bleeding off the excess but I'm not sure. After charge completed voltage at 40.08v dropping too 40.02v after...
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    Another SportHQ 15% discount Weekend

    Code at checkout JAN15. Wow, I beat Oldtimer to it?
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    5-6volt Dc-dc Step Down.

    For any of you whom wish to run light's or accessories on 5 or 6 volts from your main battery, this reasonably priced step down transformer used for R/C models is ideal. Rated up to 42volts input and 5 or 6volt output at 5amps. On/off switch included. Hobbywing 5-7.5A UBEC for Lipoly
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    Happy New Year

    Best wishes for a happy and prosperous New Year all.
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    SportsHQ 24hr sale.

    Yes, another 24hr sale. 15% off at checkout using code HQ15. I see they're now listing replacement battery's as well. Electric Bikes - The Sports HQ
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    Motor Drag?

    I'm currently in the process of fitting a cheap chinese brushless kit to an even cheaper new mountain bike. After adding some packing washers to stop the chain from fouling the frame in top gear, I noticed some resistance to my turning the wheel by hand. Thinking I was stressing the bearings...
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    Ebike Problems?

    Checking these threads each day I can't help wondering why most of the problems appear to be with Wisper's and the better quality ebike's. Is it simply a case of there being more of them?
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    Am I missing something? BMS's

    I've just ordered some some 3000mah Li-ion cells to build a 12ah pack[40] and I'm wondering just how important having a bms is? Because the pack will be constructed of 10 x 4 parallel wired cells, in series, its impossible for the bms to monitor each individual cell. If one cell was to go...
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    Step Down Voltage Converters

    Some handy step down converters suitable for running all sorts of accessories from your e-bike battery. Scroll to bottom of link for full list. DC-DC Converter for EV, 48V to 12V DC-DC Converter
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    Barclays Cycle Hire Scheme.

    I was in the City of London today and saw the launch of the Barclay's cycle hire scheme. Bike's appear pretty basic with 3sp nexus gears Rental prices range from 30mins for free to 24hrs for £50.00. One problem I forsee is, once finished with the bike, if there's not a free stand where you are...
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    Cheap batteries.

    This may be helpful to some of you as single units can be ordered. Total price including shipping to UK approx £109.00 for 36v 10ah. Wholesale-36V 10AH Li Ion Battery
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    Lifepo4 Batteries Shipped Free

    Just bought a lifepo4 battery from this company on ebay. Free shipping by EMS and delivered within 10 days. Haven't tested the battery yet but a review will follow in time. The BMS is of SmarTEC manufacture.Shenzhen SmarTEC Technology Company 36v 10ah works out around £170.00 while the 15ah...
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    Cyclamatic/SportsHQ

    I recently had cause to contact SportsHQ regarding my battery not charging. Courier sent to collect battery and new battery returned six days later together with the added bonus of another charger[nice to have a spare] I've now purchased several items from this company and can't fault their...
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    Could this be the way to go?

    Although not currently produced for ebike's and highly priced, the claims and guarantee of this manufacturer are superb. UK outlet, replaceable cell's, written guarantee. LiFePO4 Batteries from LiFeBATT, electric vehicle battery, UPS Batteries, hybrid vehicle battery, LiFePO4 Battery...
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    Setting a Standard?

    I've moved this from another thread to save going off topic. The question was asked regarding range/battery capacity, isn't there a simple way of setting a standard means of measuring the ability/range of ebike's so the consumer can judge suitability. I came up with the following idea as a...
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    Battery Information

    May have been posted before but worth a read. Battery Life and How To Improve It Battery Management and Monitoring Systems BMS Bestmag - Batteries & Energy Storage Technology
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    Buying batteries from China.

    This is an interesting read and clues as to the manufacturers discussed appear to be in their geographical location should you have knowledge of mainland China. It's too big too attach as pdf so I've attached as a zip file for downloading, hopefully.