... other chargers of this modle 4 B6, QUATTRO CHARGERSave cost, save time, enjoy RC journey better,You have 4 chargers once get ... at the same;Charge Lithium, NiCd , NiMh batteries at 1 time by different channels...weight: 1250g packedbox size: 280*170*50mm ... --Mini one compared to others, save cost for you3 cooling fans optimize chargers' performance black colour ...