Betri ea boholo ba li-volt tse robong ea PP3 hangata e fumaneha ka zinc-carbon ea mantlha.NEDA 1604leTlhaloso: IEC 6F22(bakeng sa zinki-carbon) kapaMN1604 6LR61(bakeng sa alkaline). Boholo, ho sa tsotelehe k'hemistri, hangata bo bitsoa PP3 - lebitso le neng le boloketsoe feela bakeng sa carbon-zinc, kapa linaheng tse ling,EkapaE-block.[3] Mefuta e mengata ea libeteri tsa PP e hlahisitsoe nakong e fetileng, e nang le li-voltages tsa 4.5, 6, le 9 volts le matla a fapaneng; tse kholoanyane tsa 9-volt PP6, PP7, le PP9 li ntse li fumaneha. Ho na le litekanyo tse ling tse 'maloa tsa betri ea 9-volt: A10 le A29.