|| All modes automatically default to 200 mA charge It is more than a charger - it's a battery rehab clinic and has a full LCD display Flexibility is its long suit of the BC-900 battery charger, with 4 modes of recharge: Charge Mode: Allows a range of user selectable milliamp settings from 200 to 1800 for faster charging times. Within 4 seconds after rechargeable batteries are inserted charging automatically begins at 200mA, or you may select 500, 700, 100, 1500, or 1800mA charge rates for faster charging times Discharge Mode: Reduces memory effect by discharging rechargeable battery completely before recharging to full capacity in one cycle. User selectable Refresh Mode: Discharges and recharges up to 20 cycles or until rechargeable battery is refreshed to full maximum capacity. User selectable. Test Mode: First charges the rechargeable battery to full capacity, then discharges completely to measure rechargeable battery capacity for display in mAh or Ah, and then recharges each rechargeable battery to full capacity.