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STATUS INDICATING SYMBOLS:

  

The following symbols are 

located on each side of the single status indicator light that glows either 
amber or green.   These symbols are visual reminders of the status 
indicator light meaning.                              

2 Status Indicator Lights 

 

Note:  1 DC Connection is behind each indicator light …………….. 

 

AC Power Connection Type: IEC-60320   
C7 Power Cord Plug 

mates with

 C8 Module 

 
 
 
 
 
 
 

The above diagram shows how 
symbols are arranged around  each 
indicator light. 

 

The symbol on the left side of the light represents a partially 
charged battery.  The solid green band across the bottom 
indicates the charged portion of the battery and the black area 
represents the uncharged portion.  The background area 
around the partially charged battery symbol is shaded amber.   

 

The symbol on the right side of the light represents a fully 
charged battery.  The entire area inside the battery outline is 
green. The background area around the fully charged battery 

symbol is shaded green.   

 

TROUBLESHOOTING CHECK LIST:   

 

1. 

THE AMBER CHARGER LIGHT DOES NOT TURN ON AFTER THE AC 
POWER PLUG IS CONNECTED TO THE AC ELECTRICAL OUTLET:  

Make 

sure that the charger output is properly connected to the battery.  Check the charger AC 
power plug connection at the AC electrical outlet.  Verify that the AC electrical outlet 
is functioning properly by plugging in another appliance or a voltmeter.   

2. 

THE CHARGER GREEN LIGHT GOES ON ALMOST IMMEDIATELY 
WHEN AC POWER IS APPLIED TO THE CHARGER:

  

The charger connections 

at the battery may be intermittent, the battery may be defective, or the battery might 
already be fully charged. 

3. 

CHARGER IS CHARGING BUT THE GREEN LIGHT DOES NOT TURN ON 
IN A REASONABLE AMOUNT OF TIME:

  

The battery may be large and requires 

more time to fully charge than originally expected, there may be another appliance 
drawing electric power from the battery while it is charging, or the battery may be 
defective.  Also, a newly purchased battery may not be fully charged and may take 
longer to charge initially. 

4. 

THE AMBER LIGHT COMES ON AGAIN AFTER THE GREEN LIGHT 
CAME ON.

  

There may be another appliance drawing electric power from the battery 

causing its voltage to drop below the reset level.   The battery charger then goes back 
into full charge mode.  Also, the charger connections at the battery may be intermittent 
or the battery may be defective. 

 

 

SPECIFICATION SUMMARY:

 

 

Technical Specifications (BT-TWIN 800 models) 

Input Voltage / Frequency 

100 to 240 VAC @  50 / 60 Hz 

Input Current (Maximum) 

0.55 Amps RMS 

 

 

Output Current Typical 

0.800 Amps DC per channel 

Output Voltage 

12 Volts DC 

Charger Output Voltage Amplitudes throughout the entire 
charge algorithm, including absorption and float maintenance, 
are consistent with the optimum charging recommendations of 
the major lead-acid battery manufacturers. 

Maximum Operating Temperature

 

50 

°

C Typical

 

Charger Case Dimensions:  

 8.8 in (224 mm) L 

6.0 in (152 mm) W 

x

 6.5 in (165 mm) H.

 

Shipping Weight:

 with Accessories: 

Approx. 3.0 lbs (1.4 kg) 
 

 

Design Conformance & Revision: 

 All charger products are 100% 

inspected and electrically tested prior to shipment. All battery charger 
designs are proprietary and subject to change without notice.  
Manufacturer makes no specific claims nor does it either make or 
imply any specific guarantee or warranty with respect to either the 
physical configuration or performance of any of the battery charger 
products listed herein, including suitability for purpose or 
merchantability. 

Limited Warranty: 

 

3 Years

 on material and workmanship only.  

This does not include outer case breakage or cosmetic flaws on the 
outer case unless such damage is reported in writing along with a copy 
of the purchase receipt, via mail, email, or facsimile within 30 
working days after the date on the purchase receipt.  No warranty for 
outer case breakage or cosmetic flaws will be considered without a 
copy of the purchase receipt. 
 
Other details regarding warranty limitations and procedures are 
contained in the Deltran Battery Tender® Chargers General Limited 
Warranty information sheet enclosed with this product.

 

 

DELTRAN CORPORATION 

801 U.S. Highway 92 East 

DeLand, Florida 32724 

Phone 386-736-7900  FAX  386-736-0379 

www.batterytender.com

 

Summary of Contents for Battery Tender BT-TWIN 800

Page 1: ...e operation such as not removing cell caps while charging and the recommended rates of charge charger output current CAUTION CHARGER LOCATION LOCATE the charger as far away from the battery as is allowed by the length of the output cable harness NEVER set the charger above the battery NEVER set the charger on a surface constructed from combustible material CHARGER VOLTAGE COMPATIBILITY NEVER use a...

Page 2: ... shock hazard a fire or even an explosion 5 Remove all 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 circuited current high enough to weld a metal ring or other piece of jewelry causing a severe burn 6 Use the Deltran Battery Tender BT TWIN 800 International Battery Chargers for charging lead acid ba...

Page 3: ...ery Chargers will automatically monitor and maintain the battery at full charge 6 SPECIAL FEATURES Deltran Battery Tender BT TWIN 800 International Battery Chargers have the following special features SPARKPROOF The battery charger DC output leads either ring terminals or alligator clips must be connected to a battery before an output voltage is developed by the battery charger SHORT CIRCUIT PROTE...

Page 4: ...ially 4 THE AMBER LIGHT COMES ON AGAIN AFTER THE GREEN LIGHT CAME ON There may be another appliance drawing electric power from the battery causing its voltage to drop below the reset level The battery charger then goes back into full charge mode Also the charger connections at the battery may be intermittent or the battery may be defective 8 SPECIFICATION SUMMARY Technical Specifications BT TWIN ...

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