Sistimi ea Parallel ke ho rarolla bothata bo nang le pakete e phahameng ea betri ea voltage ka lebaka la phallo ea boleng bo holimo lipakeng tsa lipakete tsa betri.
Hobane ho hanela seleng ea betri ho tlase haholo, kahoo charger e phahame haholo, e nang le kotsi e ngata .Wong e bolela ho lekanya betri