MRC Super Brain 977 User Manual

Super Brain 977

AC/DC Charger with Dual Output

and Discharge Function

User’s Manual

Model Rectifier Corporation

80 Newfield A venue

Edison, NJ 08837-3817

Phone: [phone]

www.modelrectifier.com

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 & W ARNINGS

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. Do not leave the battery inside any product while charging.

4. Place the charger and battery on a solid uncarpeted surface with
good ventilation.

5. Do not charge the battery inside the full-size automobile as
damage to interior can result.

6. Battery damage can occur if the charge current (Amps) rate is set
too high. Different capacity batteries may require a higher or lower
charge rate. Follow the “Notes on Charging Batteries” in addition to
battery manufacturer’s instructions.

7. If the battery or the charger becomes extremely hot, immediately
disconnect the charger from the power source and allow the
battery and charger to cool.

8. The charger is designed to charge 1~9 cells nickel cadmium or
nickel metal hydride batteries. It will also charge Lithium, lead-acid/
gel cell batteries. Because of the volatile nature of Lithium
batteries, great care must be taken when charging these cells. If
improperly or over charged, there is the risk that the battery will
explode or catch fire. Please follow instructions/recommendations
from battery manufacturer when selecting proper charge rate.

9. Discontinue use if charger casing becomes damaged or cracked.

10. Do not use the DC power source of a full-size automobile when
the motor is running.

11. Always disconnect charger from the power source and any battery
when not in use.

12. Adult supervision is required for ages 12 and under.

13. If at any time the cooling fan should fail, discontinue use and
return for service.

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. FEA TURES

• AC/DC Delta Peak charger with dual independent outputs

• Discharge function allows you to get the most out of your batteries

• Charge two batteries at the same time – even if they are different voltages

and/or battery types

• Charge and discharge at the same time (discharge on channel A only)

• Charges NiCd, NiMH, Lithium, and Lead Acid

• Large LCD screen shows: Battery Status, Battery Voltage, Charge Rate,

Peak Threshold in mV, Capacity in mAh, Number of Cells in Pack, Time in
Minutes

• For 1~8 cells any capacity battery (NiCd & NiMH)

• Selectable charge rate with 0.10 Amp increments from 0.20 Amps to 5.0

Amps

• Selectable discharge rate with 0.10 Amp increments from 0.20 to 4.0 Amps

• Selectable peak threshold in 5mV increments from 5 to 50 mV

• Cooling fan keeps components cool for continuous charging

• 12-bit Analog to Digital converter greatly improves measurement resolution

• Digital Signal Processing filters out noise and provides better measurement

accuracy

• MRC’s patented MicroPeak technology keeps batteries cooler

II. DISPLAY

The in depth displays on the 977 puts a wealth of information at your fingertips.

1

A B Discharge

Stop

mAh
Cell
Min
Amp
mV

mAh - capacity indicator
Cell - cell number indicator used for

NiCd and NiMH batteries only
Min - time indicator

Amp - current indicator
V - voltage indicator
mV - Delta Peak threshold indicator

A - when lit, all functions

refer to Channel A

B - when lit, all

functions refer to

Channel B

Discharge - discharge indicator

charge - charge indicator

Battery status

Solid Stop - indicates channel is idle

Blinking Stop - indicates trickle charge