User Manual

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. FEATURES
• 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