Here connected to my 4 cell LiPo battery as a demonstration. This is showing that this cell is at 3.85 volts. It cycles automatically at 1 second interval through every connected cell.
This tiny board is what you get for the price of a pint... The same connectors that connect to a typical charger balance port fit these pins. You want an 8 cell connector, and this will have 9 pins. Any good hobby shop.
Instructions are all that's required! But you need good eyes!
Here is a movie showing how it works...
More: LITHIUM POWERCHAIR & SCOOTER BATTERIES
Lithium Ion Batteries for Powerchairs and Scooters Now you CAN have high performance, range, and a small light powerchair! The manufacturers are too slow to do any of this stuff but its all available and possible now!
Lithium battery Voltages, and Powerchair battery voltage compatibility, chart here Our powerchair controllers are a bit backwards as of 2011 so you need to be careful that the type of lithium battery, and cell count, matches the old lead batteries you are replacing...
NEW page on lithium power!!! My own powerchair now uses a huge 3x the energy storage, 45v, Lithium Ion Phosphate battery, but here's a page I posted a while ago just before this point in time.
My OWN Lithium Ion Phosphate (LiFePO4) Powerchair Battery Page How I did it! This is currently the best and most efficient way of doubling your range as well as your speed! AND having a battery with typically 10 to 15 years life.
How to convert your EXISTING POWERCHAIR to LITHIUM BATTERIES! Detailed info on exactly HOW to throw away your lead bricks...
Lithium batteries for your existing powerchair Whilst this is entirely possible, and easy to do, its very much more complicated to do things properly so that the full advantage of maximum range and performance is realised.
SAFE cheap accurate low voltage monitoring for your lithium battery pack So you do NOT need a BMS... Those things are terrible!
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