Reprogramming the charger
|Programming adapter kit|
Pic programmers can have different programming connectors. The Microchip units have a 6 pin RJ/12 connector, and others have a 5 pin SIP. This set of components lets the RJ/12 type program the SIP, and the SIP program the RJ/12.
With a programmer like the low cost ICPO2 or the ICD 3 from microchip, you can easily upgrade the code for your charger.