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people want automatic smart chargers. Overcharging batteries causes irreparable damage and 
shortens the life significantly, that is why our smart charger takes this into account constantly. 

Quick Connect Plugs & Accessories:

 KeyLine chargers uses quick connect universal SAE 

cords to accept other KeyLine accessories and adapters; we made it universal so that you can use 
accessories that you may own already and still be able to use this great charger. Quick Connect plugs 
are also great so that you can leave your battery terminals connected and then connect and 
disconnect the charger with ease and quickness. 
Two accessories/connection types are included with the charger.   

One (1) fused ring terminal with an SAE universal quick connect connector. The ring terminal 

connector can be used for a more semi-permanent connection. For example, if you want to leave the 
connectors on the battery while you use the vehicle, you can simply disconnect the charger at the 
quick connect point and put the included cover on the SAE connection and you can then use the 
vehicle without concern of a short due to the cover and the failsafe fuse incase it were to short for 
some reason. Many ATV, motorcycle and watercraft owners use the ring terminals like this.   

One (1) fused alligator clips are included as well and are typically used for often connected and 

disconnected vehicles or externally charged batteries.   

Multiple Battery Type Compatibility: 

KeyLIne uses advanced micro computing to 

adjust charging to multiple types of batteries. The Mini-Pro is optimized to be compatible with all 
Lead-Acid and Sealed (AGM, GEL, MF) batteries.   
 

Important Safety Information

   

1)

 

Save these instructions 

2)

 

Do not submerge charger in water or liquid (it is water and dust resistant but not 
waterproof) 

3)

 

ONLY use this charger to charge rechargeable batteries.  DO NOT use this charger to 
supply power to low voltage electrical systems.   

4)

 

Use of an accessory or attachment not manufactured or recommended by KeyLIne may 
result in a risk of fire, electric shock or personal injuries. 

5)

 

To ensure a long lasting charger and cord please remove connection from receptacle by 
the plug rather than pulling on the cord when removing charger from the AC source.   

6)

 

Extension cords should not be used unless absolutely necessary. If an extension cord 
must be used we recommend using KeyLine SAE extension cords. Use of an improper 
extension cord can result in risk of fire, electric shock or personal injuries. If an extension 
cord must be used, be sure that. 

a.

 

Extension cords plugs and pins match the same number size and shape of the plug 

on the charger 

b.

 

Extension cord is in good electrical condition and is wired properly 

c.

 

Wire gauge of cord is thick enough for AC ampere rating of charger as specified in 

table 1 below: 
 
 

Summary of Contents for Mini-Pro

Page 1: ...ed and can sustain a short circuit connection directly across its DC outlet terminals indefinitely without damaging charger equipment and without risk of shock spark or excessive heat IP65 Weather Pro...

Page 2: ...well and are typically used for often connected and disconnected vehicles or externally charged batteries Multiple Battery Type Compatibility KeyLIne uses advanced micro computing to adjust charging...

Page 3: ...12 Personal Precautions a Working with or close to lead acid batteries is dangerous These batteries generate explosive gases during normal battery operation for this reason it is imperative that you f...

Page 4: ...and should always be used with a properly grounded receptacle Operation Guide Automatic Charging and Battery Progress Monitoring KeyLine Chargers are fully automatic and may be left connected to AC po...

Page 5: ...range is still a good indicator of charge Working with a low voltage or dead battery When you attempt to charge a low or dead battery with low voltage 9 volts or less the Mini Pro will provide full c...

Page 6: ...Step 4 ANALYSE This step is 3 minutes The voltage is lower than 12V 0 5s on 0 5s off The voltage is higher than 12V 0 5s on 0 5s off Step 5 FLOAT 13 6V The charging is complete Lamp is lit with steady...

Page 7: ...etimes no desulfation or very little is necessary and this step may only last a second or less Nothing to be concerned about it just means that your battery is in good shape and does not require desul...

Page 8: ...0 240VAC Input Frequency 50 60Hz Charging Voltage 14 4VDC Output Current 1 25A MAX Dimensions 4 02 x 1 97 x 1 22inch Operating Temperature 20 40 or 4 F 104 F Design Conformance and Revisions All KeyLi...

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