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42 Volt Battery Life Saver BLS-42B
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42V On-Board Battery Life Saver Desulfator BLS-42N

Quick Overview

Rejuvenate old sulfated 42 volt battery systems with patented WAVE2 Technology from Battery Life Saver. "Dead" batteries will be brought back to "Life". Extends the average life of your batteries by 2-3 times. NOT A CHARGER

  • Availability

    In Stock

  • Product Brand

    Battery Life Saver

  • Model Number


  • Warranty

    5 Year


Works with 42 volt battery powered vehicles or battery systems, most commonly used on golf carts. Ideally mounted permanently to keep the batteries in optimum condition and extend battery life. The system should be charged regularly as the BLS will use battery energy to operate. Can also rejuvenate batteries. Comes with 3/8" eye rings for attachment to the battery terminals. On/Off switch included.

The BLS-42B part number was changed to the BLS-42N. The BLS-42N now has a shutoff point around 90% State of Charge

Product Specs
Availability Note: In Stock
Model: BLS-42N
Brand: Battery Life Saver
Capacity 20Hr (Ah): No
Output Voltage (V): 42
Output Current (A): No
Dimensions (LxWxH - inches): 4.5 x 2 x 2.5
Weight (lb): 1
Warranty: 5 Year
Color: No
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FAQs About This Product

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  • What Is Sulfation?

    Sulfation is the buildup of lead sulfate (PbSo4) crystals on your battery plates.

    Contrast image of built up of sulfate crystals on a battery.All lead acid batteries will suffer from the effects of sulfation. It is the unwanted byproduct of the natural double sulfate chemical reaction that generates electricity within the battery. When a battery is in use, the active material on your battery’s plates, lead and lead dioxide, react with the electrolyte or sulfuric acid (H2SO4) to generate electricity. During this process a thin layer of non-crystalline solid lead sulfate is deposited on the plates.

    During charging, this sulfate deposit is supposed to be converted back to lead dioxide and sulfuric acid restoring the battery back to its pre-discharged state. However, the process is not perfect. Incomplete charging or prolonged time left in a discharged state will convert the amorphous (non-crystalline) lead sulfate into a hardened crystalized form diminishing the ability of the battery to reach full charge.

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