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IMPORTANT SAFETY INSTRUCTIONS 

1) 

SAVE THESE INSTRUCTIONS

 – This manual contains 

important safety and operating instructions for battery charger model P/N 022-0337. 

2)  Do not expose charger to rain or snow. 
3)  Use of an attachment not recommended or sold by the battery charger manufacturer may 

result in a risk of fire, electric shock, or injury to persons. 

4)  To reduce risk of damage to electric plug and cord, pull by plug rather than cord when 

disconnecting charger. 

5)  An extension cord should not be used unless absolutely necessary. Use of improper 

extension cord could result in a risk of fire and electric shock. If an extension cord must 
be used, make sure: 
a) 

That pins on plug of extension cord are the same number, size, and shape as those of 
plug on charger;  

b) 

That extension cord is properly wired and in good electrical condition; and 

c) 

That wire size is large enough for ac ampere rating of charger as specified in Table 1 

6)  Do not operate charger with damaged cord or plug – replace the cord or plug 

immediately. 

7)  Do not operate charger if it has received a sharp blow, been dropped, or otherwise 

damaged in any way; take it to a qualified serviceman. 

8)  Do not disassemble charger; take it to a qualified serviceman when service or repair is 

required. Incorrect reassembly may result in a risk of electric shock or fire. 

9)  To reduce risk of electric shock, unplug charger from outlet before attempting any 

maintenance or cleaning. Turning off controls will not reduce this risk. 

10) 

WARNING

 

– RISK OF EXPLOSIVE GASES.

 

a)  WORKING IN VICINITY OF A LEAD-ACID BATTERY IS DANGEROUS. 

BATTERIES GENERATE EXPLOSIVE GASES DURING NORMAL BATTERY 
OPERATION. FOR THIS REASON, IT IS OF UTMOST IMPORTANCE THAT YOU 
FOLLOW THE INSTRUCTIONS EACH TIME YOU USE THE CHARGER. 

b)  To reduce risk of battery explosion, follow these instructions and those published by 

battery manufacturer and manufacturer of any equipment you intend to use in 
vicinity of battery. Review cautionary marking on these products and on engine. 

 
 
 

Deltran Battery Tender



  

2Amp/8Amp 12Volt Selectable 

Battery Charger & Maintainer 

Designed for Six-Cell Lead-Acid/AGM/ Batteries 

and 

Four-Cell Lithium-Iron-Phosphate (LiFeP04) 

Batteries 

TABLE 1 

 

Length of Cord, Feet /Meters   25/7.6  50/15.2  100/30.5  150/45.6 
AWG Size of Cord                       18        18           18            16 

P/N 392-0700-R0 

 

11) PERSONAL PRECAUTIONS 

a)  Consider having someone close enough by to come to your aid when you work near 

a lead-acid battery. 

b)  Have plenty of fresh water and soap nearby in case battery acid contacts skin, 

clothing, or eyes. 

c) 

Wear complete eye protection and clothing protection. Avoid touching eyes while 
working near battery. 

d)  If battery acid contacts skin or clothing, wash immediately with soap and water. If 

acid enters eye, immediately flood eye with running cold water for at least 10 
minutes and get medical attention immediately. 

e)  NEVER smoke or allow a spark or flame in vicinity of battery or engine. 
f) 

Be extra cautious to reduce risk of dropping a metal tool onto battery. It might spark 
or short-circuit battery or other electrical part that may cause explosion. 

g)  Remove personal metal items such as rings, bracelets, necklaces, and watches 

when working with a lead-acid battery. A lead-acid battery can produce a short-
circuit current high enough to weld a ring or the like to metal, causing a severe burn. 

h)  Use charger for charging a LEAD-ACID battery only. It is not intended to supply 

power to a low voltage electrical system other than in a starter-motor application. Do 
not use battery charger for charging dry-cell batteries that are commonly used with 
home appliances. These batteries may burst and cause injury to persons and 
damage to property. 

i) 

NEVER charge a frozen battery. 

12)  PREPARING TO CHARGE 

a)  If necessary to remove battery from vehicle to charge, always remove grounded 

terminal from battery first. Make sure all accessories in the vehicle are off, so as not 
to cause an arc. 

b)  Be sure area around battery is well ventilated while battery is being charged. 
c) 

Clean battery terminals. Be careful to keep corrosion from coming in contact with 
eyes. 

d)  Add distilled water in each cell until battery acid reaches level specified by battery 

manufacturer. Do not overfill. For a battery without removable cell caps, such as 
valve regulated lead acid batteries, carefully follow manufacturer’s recharging 
instructions. 

e)  Study all battery manufacturers specific precautions such as removing or not 

removing cell caps while charging and recommended rates of charge. 

f) 

Determine voltage of battery by referring to car owner’s manual and make sure that 
output voltage selector switch is set at correct voltage. Do not use the battery 
charger unless battery voltage matches the output voltage rating of the charger. 

13) CHARGER LOCATION 

a)  Locate charger as far away from battery as dc cables permit. 
b)  Never place charger directly above battery being charged; gases from battery will 

corrode and damage charger. 

c) 

Never allow battery acid to drip on charger when reading electrolyte specific gravity 
or filling battery. 

d)  Do not operate charger in a closed-in area or restrict ventilation in any way. 
e)  Do not set a battery on top of charger. 

14)  DC CONNECTION PRECAUTIONS 

a)  Connect and disconnect dc output clips only after setting any charger switches to 

off



position and removing ac cord from electric outlet. Never allow clips to touch 

each other. 

b)  Attach clips to battery and chassis as indicated in 15(e), 15(f), and 16(b) through 

16(d). 

 
 
 

Summary of Contents for Battery Tender 022-0337

Page 1: ...If battery acid contacts skin or clothing wash immediately with soap and water If acid enters eye immediately flood eye with running cold water for at least 10 minutes and get medical attention immediately e NEVER smoke or allow a spark or flame in vicinity of battery or engine f Be extra cautious to reduce risk of dropping a metal tool onto battery It might spark or short circuit battery or other...

Page 2: ...ctrical outlet h When disconnecting charger turn switches to off disconnect AC cord remove clip from vehicle chassis and then remove clip from battery terminal i See operating instructions for length of charge information 16 FOLLOW THESE STEPS WHEN BATTERY IS OUTSIDE VEHICLE A SPARK NEAR THE BATTERY MAY CAUSE BATTERY EXPLOSION TO REDUCE RISK OF A SPARK NEAR BATTERY a Check polarity of battery post...

Page 3: ...be changed To change the mode disconnect the battery from the charger If the AC power is interrupted the charger will resume charging at the last charge rate setting used 6 BATTERY TYPE SELECTION BUTTON The Battery Tender battery charger has a Battery Type selection button which allows you to switch between charging a 12 Volt Standard Lead Acid battery a 12Volt AGM Sealed battery and a 12Volt Lith...

Page 4: ...ng FLASHING Amber This indicates that the battery charger has AC power available and that the microprocessor is functioning properly If the Light Ring continues to flash then either the battery voltage is too low less than 3 volts or the output alligator clips or ring terminals are not connected correctly Charging Status Error LED Ring SOLID Amber Whenever the Light Ring is on steady Amber a batte...

Page 5: ...rgy and if not installed and used in accordance with the instructions may cause harmful interference to radio television reception which can be determined by tuning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect t...

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