I want to use multiple CR2032 batteries in parallel for higher capacity in a wireless RF remote (1.8-3.8 V working range for the RF MCU).
CR3032 is an option but I rejected it due to price and availability concerns. CR2032 cells are readily available and cheap.
Since primary cells shouldn't be charged, I feel that some circuit has to be in place to avoid it.
Is it feasible? If yes, what are my options?
Is there a standard part that I can put on each battery? This part should have a negligible voltage drop and should block reverse current.
Diodes are the standard parts that come to my mind but I fear they will take away a big chunk of operational capacity.
Below is the discharge graph of a typical coin cell:
Is it advisable to use a 220 mV schottky diode for reverse polarity and reverse current protection?