Schematics and pictures of this system can be found here: https://www.mobile-solarpower.com/diy-lifepo4-solar-battery.html
Video Table of Contents
Cost of System: 0:42
Lithium Battery Crash Course: 1:56
Overdischarge Protection: 2:25
Bottom Balancing and Balancing Explained: 3:56
DIY Step by Step Instructions: 6:08
Connecting cells together with VHB and Hose Clamps: 7:24
Adding Bus Bars: 9:34
Adding a Balance Cable: 10:26
Connecting the Battery to a Balancer: 12:45
How to Bottom Balance: 13:18
Manually balancing the cells with large resistors: 16:36
Removing balance cable and adding terminal covers and battery cables: 17:46
Recommended Charge Profile Parameters: 18:17
Charging LiFePO4 batteries with an alternator: 19:31
Cold temperature charging methods: 21:07
Shore power charging: 21:46
Parallel vs. series of battery cells, and max number of parallel strings recommended: 24:34
If the cells have a voltage difference of more than .2-.3 of a volt (example: one cell is 2.7 volts, and another cell is 3.5 volts), you should not parallel connect, and instead discharge the higher voltage cell with a 25-50 watt, 2.7 ohm resistor. Just attach the leads of the resistor to the individual higher voltage cell, and wait till it is at a voltage that is closer to the other cells. When they are within .5 volts of each other, then you can connect them in parallel and allow them to equalize. Another way to do this is to charge the lower voltage cells, but 3 volt chargers are not easy to find, so I would stick to the resistor method. These resistors only cost a dollars each, and you can find them at most electronics supply stores.
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Link To 24V Summit II Battery Charger: http://ow.ly/QDn430mTs8I (Full Transcript Below)
Join Dave as we discuss the Lester Electrical 24V Summit II Battery Charger. Unmatched technology, user friendly and perfect for any lift, floor scrubber, floor machine, etc.
Check out our most recent video – Golf Cart Rear Seat Golf Bag Attachment: http://ow.ly/Tpug30mTtPG
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Thanks for stopping by the garage!
Hi, everyone. Welcome, and thank you for joining us at Golf Cart Garage dot com. Today on GCGTV, we’re getting you back to work faster with this awesome little box that looks like it knows the R23PO and surfs the internets.
Bottom line, if you have a 24V machine, here’s the charger you should order today. The new 24V Summit II from Lester Electrical is the most advanced, efficient charger for 24V Fork Lifts, Scissor Lifts, Floor Scrubbers and all kinds of industrial machines from brands like JLG, Skylift, Genie, and too many more to name.
It can be ordered equipped with ring terminals that connect directly to your batteries or with the common SB-50 plug. If you have the similar, but much larger SB-175 plug, it can be ordered with that, as well.
You should replace and upgrade your big, boxy charger that you’ve been using for your 24V machine with this fully sealed, fully automatic charger that’s water-proof, drop-proof, and installs fast. It can be kept on board your machine or used as a stationary shelf charger and it has the perfect storage mode for maintenance or trickle charging during downtime or vacation. But don’t leave it alone for too long. It’s just as advanced as it looks and I’m pretty sure that whenever I’m not paying attention… it’s planning to take over the garage… is it… is it looking at me?
Seriously, though, it even has a bluetooth application for your phone or tablet so that you can have full user control and check your charge percentage and remaining charge time right on screen. It charges faster and with advanced energy efficiency and even has profiles for AGM and other battery types. It will never tell the boss how much you complain about work on facebook, but, fair warning… it may cheat at Scrabble and flirt with your co-workers a little.
When you need to get your batteries charged and get your machine back to work fast, Summit II is absolutely the best way to go. It’s the most advanced, versatile charger we’ve ever tested and we would love to help you order one for your machine today. Golf Cart Garage works exclusively with Lester Electrical chargers like the Summit II and we have busy distribution… so you’ll always get the most recently manufactured inventory working with us, along with great service and support once you receive your order. Our friendly Customer Care Specialists are here to help answer all your questions and get a brand new Summit II to on its way to your doorstep. Check out the link to this charger in the video description below and visit us at Golf Cart Garage dot com… or give us a call at 800-401-2934 and let Summit II get your machine back to work fast! Make sure to Subscribe below for more episodes. Thanks for watching GCGTV.