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AGE

No SN

: Check date code Yxxzz. ZZ will be the year of 

manufacture. E.G., Y3112 was manufactured in 2012

*Batteries typically last 3-5 years

SN 

1870000

 thru 

1933854

2012

SN 

1933855

 thru 

1995523

2013

SN 

1995524

 thru 

2052771

 

2014

SN 

2052772

 thru 

2113177

2015

SN 

2113178

 thru 

2193854

2016

SN 

2193855

 thru 

2193854

2017

SN 

2267665

 and 

higher

Date written on battery.

ERRORS 

(For standalone charger)

If charger flashes 

red

yellow

green

 in a sequence 

this indicates an error from high temperature or a 
poor connection:

High temperature:

Move to a cooler location.
Clean any corrosion on battery pins, charging pins and battery 
contacts with alcohol.

Connection Issues:

Ensure battery is seated and locked in place.
If you have to push down on battery to charge, send in charger for 
repair.
Check the 4 charging pins in the charger. If any are stuck in the 
down position, (while not plugged in) use alcohol and try and work 
it in and out to pop back into proper height.

If Error persists, send back to NK for repair.

ERRORS 

(For Cox Box charging)

Hi Deg Err

 shown on Cox Box:

Clean all parts of the charging system with alcohol:

 

»

5 prong CB socket, charging pins, battery  

pins in CB and battery contacts themselves.

BATT ERR

 shown on Cox Box:

Swap battery into another Cox Box. If issue follows 

battery, send in battery. If it follows Cox Box, send 

in Cox Box.

If Error persists, send back to NK for repair.

STORAGE

At the end of the season, charge the battery fully, 
disconnect from the charger, and store in a temperate,
dry place (

between 

50-80

 degrees F

) until ready to use. 

*A fully charged battery will self-drain in 3 months. If storing longer than 3 

months, we recommend charging the battery to full around the 3 month mark. 

Nielsen-Kellerman

US Toll-Free  800-784-4221  |  Int’l Phone +1 610-447-1555
Email support@nkhome.com 

www.NKsports.com

© 2018 Nielsen-Kellerman.   NK, Nielsen-Kellerman, SpeedCoach and the NK and LiNK logos are trademarks of Nielsen-Kellerman Co.

319057_0_18.07.09

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