Schumacher MMF-120A User Manual
Jump Starter
and DC Power
MODEL
MMF-120A
BATTERY
12 Ampere-Hour
Source
Owner's Manual
–Save–
Important Safety Instructions
This product has a sealed lead-acid battery inside that should be kept at full charge for longer life.
Recharge when first received (even if green ‘full power’ light glows), after each use and every 3
months. Failure to do this may cause battery life to be greatly reduced.
OPERATING INSTRUCTIONS
WARNING: FAILURE TO FOLLOW INSTRUCTIONS
MAY CAUSE DAMAGE OR AN EXPLOSION. READ
ENTIRE INSTRUCTION MANUAL BEFORE USE.
1. Turn ignition off before making cable connections.
2. Use in a well-ventilated area.
3. Clamp the red clamp to the positive terminal of the battery.
(For a negative grounded system.)
4. Clamp the black clamp to an unpainted and unmoving part
of the chassis or engine block.
5. Keep clear of fan blades, belts, pulleys and other parts that
may cause injury.
6. You can now crank the engine. If the engine does not start,
wait at least 3 minutes before attempting to start vehicle
again. (This permits the battery to cool down.)
7. After the engine starts, first disconnect the black clamp and
then the red clamp in that order. Store the clamps on the
ears located on the sides of the case.
8. Recharge the MityMite as soon as possible after use.
9. Never allow clamps to touch together or to contact the same
piece of metal to prevent sparking.
LED INDICATORS
To check the internal battery’s status, press the red button on
the front of MityMite.
The led lights will indicate as follows:
1. A red light indicates a 50% or less charge and you should
immediately recharge MityMIte.
2. A yellow light indicates a 50 to 75% charge. MityMite may
be used but should be recharged as soon as possible.
3. A green light indicates the internal battery is fully charged.
CHARGING OF INTERNAL BATTERY WITH BUILT-IN
CHARGER.
After removing the MMF-120A from the carton, charge it overnight before using even if the green Full Power light glows.
1. To charge, plug extension cord into charger plug on the
side of the MityMite.
2. Plug the extension cord into 120V AC source. (Electrical
outlet.)
3. The red light will glow while charging.
4. The green light will glow when the battery has reached full
charge. The charger will automatically drop into a float mode
and maintain the battery at full charge.
MULTI-PURPOSE POWER SUPPLY
The MMF-120A is a power source for 12 volt DC accessories
that are equipped with a cigarette lighter adapter plug. The DC
socket has a 15 amp automatic overload protection circuit
breaker. Reset the breaker by pushing the breaker button located on the back of MityMite.
SCHUMACHER ELECTRIC CORPORATION
801 BUSINESS CENTER DRIVE • MOUNT PROSPECT, ILLINOIS 60056-2179
Send Warranty Product Repairs to: 1025 E. Thompson, Hoopeston, IL 60942-0280
Call Customer Service if you have questions: 1-800-621-5485
Do not permit the battery in the MMF-120A to freeze. Never
attempt to recharge a frozen battery.
00-99-000271/0403
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12 Volt DC Power Source Chart 110 / 220 Volt AC Power Source Chart
Appliance Type Estimated Wattage Estimated Time
Cell Phones 4 Watts 20 Hours
Fluorescent Lights 4 Watts 20 Hours
Radios 9 Watts 14 Hours
Depth Finders 9 Watts 14 Hours
Fans 9 Watts 14 Hours
Camcorders, VCRs 15 Watts 8 Hours
Electrical Tools 24 Watts 5 Hours
Electrical Coolers 48 Watts 2 Hours
Car Vacuum 80 Watts 1 Hour
Air Compressors 80 Watts 1 Hour
When the MMF-120A is used with an inverter, it can operate
appliances normally powered by 120V AC or 220V AC. (You
must purchase the inverter separately. It is not included.)
Appliance Type Estimated Wattage Estimated Time
Spot Lights 100 Watts 1 Hour
Sump Pumps 100 Watts 1 Hour
VCRs 100 Watts 1 Hour
Faxes, TVs 125 Watts .75 Hour
Small Power Tools 125 Watts .75 Hour
Note: Estimated time is conservatively reported. Actual time may
vary. Times are based on MityMite having a full charge. Requires the use of an inverter that is not included. Designed for
up to a 150 watt inverter.
STORAGE
MityMite can be stored in any position. The clamps are live and will produce arcing or sparking if they come in contact with each other.
To prevent accidental arcing, always keep the clamps on the side ears when not using it to jump start a vehicle.
All batteries are affected by temperature. The ideal storage temperature is at 70° F. Performance varies based on battery temperature
conditions.
LIMITED WARRANTY
Schumacher Electric Corporation warrants your unit to be free from defects in material and workmanship, excepting abuse or misuse,
for a period of one year from the date of sale to the original user or consumer purchaser. If your unit fails or malfunctions within the first
30 days of the warranty, we will replace it with a new unit. If your unit malfunctions or fails within the 12-month warranty period because
of a defect in material or workmanship, we will repair without charge.
The internal battery, excluding units with swollen batteries or melted battery terminals, carries a 90-day warranty from the date of
purchase. Proof of purchase required. All battery replacements will be at the sole discretion of the manufacturer or his designated
agents.
This warranty is in lieu of all other express warranties. The duration of any implied warranty, including but not limited to any implied
warranty of merchantability or fitness for a particular purpose, made in respect to your unit is limited to the period of the express warranty
set forth above.
For warranty service, return your product, with proof of purchase, to the factory or a designated agent: Schumacher Electric Corporation
Warranty Service Department, 1025 E. Thompson Street, PO Box 280, Hoopeston, IL 60942. Phone 1-800-621-5485, Customer Service
hours: 7 AM to 4 PM CST.
You will be responsible for all insurance and freight or other transportation charges to the factory or point of repair. We will return your
unit freight prepaid if repair is covered under warranty. Your unit should be properly packed to avoid damage in transit, since we will not
be responsible for any such damage.
In no event shall Schumacher Electric Corporation be liable for consequential or incidental damages. Some states do not allow
limitations on the length of the implied warranty or the exclusion or limitation of incidental or consequential damages, so the above
limitations or exclusions may not apply to you. This warranty gives you specific legal rights and you may also have other rights that
vary from state to state.
CONTAINS SEALED NON-SPILLABLE LEAD-ACID BATTERY. MUST
BE DISPOSED OF PROPERLY.
WARNING: Possible explosion hazard. Contact with battery acid may
cause severe burns and blindness. Keep out of reach of children.
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