Super Brain 977 AC/DC Charger with Dual Output and Discharge Function User’s Manual Model Rectifier Corporation 80 Newfield Avenue Edison, NJ 08837-3817 Phone: 732-225-6360 www.modelrectifier.
Please read this entire manual, including all Safety Cautions and Warnings before operating this charger. Never leave charger unattended when in use. Adult supervision required for children under 12 years of age. SAFETY CAUTIONS & WARNINGS 1. Never leave the charger unattended when in use. 2. Do not connect the unit to the DC power supply while there is a battery attached to the unit. You should disconnect the battery first and then connect the unit to DC power supply. 3.
Thank you for purchasing MRC’s Super Brain 977 Pro charger. The 977 offers you the latest technology and many more features over the previous models, but still at a very affordable price. I.
III. OPERATION A. CHARGING NICKEL CADMIUM (NICD) AND NICKEL METAL HYDRIDE (NIMH) BATTERIES ONLY Never leave charger unattended when in use. The unit has two channels and can handle two batteries at the same time. However the LCD only displays one channel at a time. 1. Always connect the power source (120V AC adapter or 12V DC) to the charger first. The AC adapter has thermal and overload protection. When the adapter is overheated or overloaded, it will cutoff its output.
Once the Delta Peak threshold is set manually, the charger will use this setting, even if it is not an appropriate setting for the battery. Please follow the included recommendation on peak threshold settings. Damage to the battery can occur if you are not careful. 8. The 977 also has the ability to perform a “capacity” charge. By pressing the “Display Select” button again, you will see mAh displayed with two bars.
as time (Min) and capacity (mAh). If in the charge mode, a 50-minute 50~80mA trickle charge will begin. After the trickle cycle, the charger will automatically go into sleep mode. Press the “Start/Stop” button to reset the charger. There is no trickle cycle after discharging. 14. If the battery is disconnected or a bad connection occurs at any time during the cycle or before the charger is reset, an “ERR” message will be displayed. 15.
B. CHARGING LITHIUMION/POLYMER BATTERIES Never leave batteries unattended when charging. Monitor the temperature of the battery occasionally during the charge cycle. If batteries become hot or voltage exceeds 4.20 volts per cell, disconnect immediately. Lithium batteries contain explosive material. Because of the volatile nature of Lithium batteries, great care must be taken when charging these cells. If improperly or overcharged, there is the risk that the battery will explode or catch fire.
IV. OPERATIONAL FLOW CHART Press Display Press Press Press Press Press Display Display Display Dispaly Display Voltage Amp mAh mV Cell Min Press +/- to Press +/- to Press +/- to change delta change capa- change time peak setting city setting setting Press +/- to Press +/- to Press +/- to select charge change curr- change battery cell # or discharge ent setting V. MAXIMUM CURRENT The following tables show the maximum charge current & discharge current.
