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HomeBATTERY SELECT™ TechnologySealed Lead Acid BatteryDouglas Guardian Batteries and Replacements. Douglas Guardian Sealed Lead Acid Batteries

Douglas Guardian DG12-40NB Battery Replacements. Douglas Guardian DG12-40NB Sealed Lead Acid Batteries

Douglas Guardian DG12-40NB Battery Replacements. Douglas Guardian DG12-40NB Sealed Lead Acid Batteries

Listed below are replacement lead acid batteries and battery chargers we have available for you Douglas Guardian DG12-40NB battery.

Douglas Guardian DG12-40NB Battery Replacements
ProductFeaturesToday's Price 
Power-Sonic 12V/40AH Sealed Lead Acid Battery w/ NB Terminal
Power-Sonic 12V/40AH Sealed Lead Acid Battery w/ NB Terminal (works with Douglas Guardian DG12-40NB)
SKU: PS-12400 (#3608)
SRP: $169.99
Our Price: $140.44
12 V
40 Ah
480 Whr
Lead Acid
In Stock
$126.40

Genesis NP38-12B 12V/38AH Sealed Lead Acid Battery with NB Terminal
Genesis NP38-12B 12V/38AH Sealed Lead Acid Battery with NB Terminal (works with Douglas Guardian DG12-40NB)
SKU: NP38-12B (#3611)

Our Price: $169.99
12 V
38 Ah
456 Whr
Lead Acid
In Stock
$152.99

Douglas Guardian DG12-40NB Charger, AC Adapter, Power Supply
ProductFeaturesToday's Price 
Waterproof 800 USA Battery Charger
Waterproof 800 USA Battery Charger (works with Douglas Guardian DG12-40NB)
SKU: 022-0150-DL-WH (#6848)
SRP: $52.50
Our Price: $47.99
In Stock
$43.19

021-0128 Battery Tender Plus 12V @ 1.25A Battery Charger
021-0128 Battery Tender Plus 12V @ 1.25A Battery Charger (works with Douglas Guardian DG12-40NB)
SKU: 021-0128 (#6841)
SRP: $64.95
Our Price: $54.99
In Stock
$49.49

022-0142-DL-WH - Battery Tender - Power Tender International USA/Western Hemisphere
022-0142-DL-WH - Battery Tender - Power Tender International USA/Western Hemisphere (works with Douglas Guardian DG12-40NB)
SKU: 022-0142-DL-WH (#19705)
SRP: $136.50
Our Price: $119.99
In Stock
$107.99

4-Bank International Charger - USA/ Western Hemisphere Battery Charger
4-Bank International Charger - USA/ Western Hemisphere Battery Charger (works with Douglas Guardian DG12-40NB)
SKU: 022-0148-DL-WH (#6847)
SRP: $249.95
Our Price: $239.95
In Stock
$215.96

5 Bank Charger - 12V @ 2A Battery Charger
5 Bank Charger - 12V @ 2A Battery Charger (works with Douglas Guardian DG12-40NB)
SKU: 021-0133 (#6842)
SRP: $559.95
Our Price: $499.95
In Stock
$449.96

021-0134 - 10 Bank Charger - 12V @ 2A Battery Charger
021-0134 - 10 Bank Charger - 12V @ 2A Battery Charger (works with Douglas Guardian DG12-40NB)
SKU: 021-0134 (#6843)
SRP: $729.95
Our Price: $619.99
In Stock
$557.99

Douglas Guardian DG12-40NB Universal Accessories
ProductFeaturesToday's Price 
PST-100 - Hand-Held Battery Testers for 12V Batteries
PST-100 - Hand-Held Battery Testers for 12V Batteries (works with Douglas Guardian DG12-40NB)
SKU: 026-0001 (#20748)
SRP: $249.95
Our Price: $199.99
In Stock
$179.99





If you have a volume quantity pricing request on Douglas Guardian DG12-40NB Batteries and/or Replacements , please call one of our customer service representative or submit a volume purchasing (RFQ) request. Whether it is financing, logistics and any other special request, we will work with you to meet your needs.

What is the Proper Way To Store and Maintain my Douglas Guardian DG12-40NB batteries?
  • Douglas Guardian DG12-40NB Never store in a discharged or partially discharged state
  • Ideal storage temperature is 68-72 degrees(F)
  • Be alert to any type of swelling or expanding
  • Avoid storage in any location where excessive amounts of airborne dust or dirt is present
  • Standard shelf life of a Douglas Guardian DG12-40NB battery is 12 to 18 months

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