過か放ほう電でんMeaningsNoun1. overdischarge (of a battery)Kanji used過surpass something放release電electricComposed of過かsurplus-; excess-; over-; per- (chemical with more of a certain element than found in other compounds of the same constituents)Prefix放ほう電でんdischarging (electrically; e.g. of a battery); electrical discharge; dischargeNoun