四号电池 Traditional 四號電池 sì hào diàn chí 🔊 AAA battery (Tw) + Keep this word Meanings sì hào diàn chí 四號電池 AAA battery (Tw)PRC equivalent: 七號電池|七号电池[qi1 hao4 dian4 chi2] Its characters 四sìfourHSK 1号hàoday (of the month); numberHSK 1电diànlightningHSK 3池chípond