PIC XC8 Battery Manager

I need a compact firmware-and-hardware solution that lets a PIC microcontroller, programmed with the XC8 compiler, manage a battery-powered power supply built around a lead-acid pack. Here is what I... (Budget: ₹1500 - ₹12500 INR, Jobs: Arduino, Circuit Design, Debugging, Electrical Engineering, Electronics, Embedded Systems, Firmware Development, Microcontroller)