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This charge cycle can take as long as 4 days on a large depleted battery.  Also, check to 
ensure that there is no other load on the battery at the time of charging, such as an appliance, 
a second battery etc… Secondary battery configurations can actually draw current from the 
charger and in extreme situations the battery may never fully charge sue to several variables. 
Additionally, a brand new battery can take much longer than anticipated to charge as well.   

 

KeyLIne Mini-Pro Specifications 

Input Voltage 

110-240VAC 

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 KeyLine Chargers products are 100% tested and inspected prior to shipment. All KeyLine Chargers 
designs, packaging, programming, physical components are proprietary and may be subject to change 
without notice. KeyLine Chargers makes no specific claims nor does it make or imply any specific 
guarantee or warranty with respect to either the physical configuration or performance of any of the 
battery chargers listed herein or otherwise, including suitability or compatibility for purpose or 
merchantability.   
 
 

 

 

Warning: 

 

 

 

 

 

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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