- Completed analysis of the most simple, safe (low component count, fast to make) current limited charger for the batteries.
- The absolute easiest thing to do (no balancer, no charger) ... is to create a current limited supply at exactly 4.1volts, and apply individually to each paralleled group of cells.
- This will take time, but is easy to do, fast, and gives an immediate result.
- Meanwhile, I can order the parts for a more sophisticated high power balancer for very fast charging of the whole pack ... and work out what I can do for a power supply with current limiting.
......List of parts required (and able to be bought on weekends, locally)
- ZV1630 LM338K ($16.95)
- ZT2298 2N2222A NPN Transistor ($0.35)
- RT4642 500Ohm 25 Turn Trimpot (vertical) ($2.75)
- RR0548 100Ohm Resistors ($0.46)
- RR0557 240Ohm Resistors ($0.46)
- RR3206 0R1 (0.1) Ohm Resistor (5W) ($0.40)
- RR3208 0R22 (0.22) Ohm Resistor (5W) ($0.40)
- RR3214 0R47 (0.47) Ohm Resistor (5W) ($0.40)
......Note - the resistors are 5W, because low ohms only come this large, locally !
