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    Advise on Lifepo4 48v 30ah-40ah battery pack

    Guys i need a good lifepo4 48v 30ah-40ah battery pack. When i was researching year ago ping was the option to go. Is he still recommended? Any other options you can suggest?
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    Air Circulation for Battery Box

    Guys, i am planning to use aluminium battery box for 8 100ah calbs cells. The box will contain cells with installed MiniBMS cell modules. In terms of safety, what kind of air circulation is needed? Do this batteries become hot under usage? And is it required/recommended to have some kind of...
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    Using Load Tester

    Need to test pack behavior under load. The pack is rated 24v (8s). Can i use this load tester and additional volt meter? The load tester is for 12v batteries, but i once can use it for all voltage pack, just should have external voltmeter(cause load tester won't show voltages higher than...
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    Charger for 8s lifepo4 pack

    Need charger to charge 24v 100ah calb cells pack. I will use the pack with BMS where shunting starts at 3.5v/cell. So i would like to charge to about 3.55v/cell leaving some time for shunting/balancing and at the same time not reaching 3.65v/cell which is default for most lifepo4 24v/8s...
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    8s LiFePO4 BMS recommendation

    Guys, please recommend reliable BMS for 8 x 100ah calb cells pack . Continuous current 30amp, peak 60amp to be used with 24v 50amp brush motor. I've read lots of positives for bestechpower, is that the best way to go? Also are there BMS with screw terminals? so soldering is not required. It's...
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    Next best LiFePO4 cells after A123 and Headway

    Guys, what is next best LiFePO4 cells for DIY battery pack after A123 and Headway? I need 24v 75ah to 100ah battery. Continuous current = 30A, peak current = 60A. A123 and Headway are out of my budget. What are the next best/cheaper options out there?
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    BMS for separate Chevy Volt Module

    I planning to rewire Cherry Volt 48v 45ah module into 24v 90ah. Module consists of 12 cell groups (each cell group have 3 LG Chem LiCoO2 pouch cells.), so by connecting cells groups 2p 6s i should get 24v 90ah module. What kind of BMS will i need for this? The set-up i use has continuous...
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    Controller

    Did anyone tried this controller from DrkAngel' EBike Bargains List? Thinking about giving it a go for 24v setup.
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    Lead Acid to Lithium

    Guys, i am converting my cargo bike setup from Lead Acid batteries to Lithium. 1. Right now choosing between buying new 24v LiFePO4 pack or using Chevy Volt 24v modules which consists of LG Chem LiCoO2 pouch cells. How do these compare? What technology is better for safety/# of cycles. 2. How do...
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