BLS For Marine Batteries

Our unique Battery Life Saver electronic device can extend the life of your marine battery by years. It can give you the confidence of not being stuck at sea,  save you money, and more importantly, help protect the environment.

Three Types of Marine batteries

There are three lead-acid technologies available today in the marine market:

Flooded, Gel and AGM

Flooded cells are containers in which the electrolyte can move freely between the plates that make up the cells.

Gel batteries immobilize the electrolyte by adding a thickening agent.

AGM batteries use a fiberglass mat instead of a gelling compound to hold the electrolyte.

Neither AGM or Gel cell will leak if inverted or pierced. AGM and gel cell batteries are popular for marine applications because theywill work even if at an odd angle and will not slosh in rough seas. They also do not put out gas as much as flooded cell batteries because of a slightly different plate composition. They will however accumulate sulfates much faster.

Special chargers are usually required for each type of battery being used.

A further distinction between batteries must be made by application. Broadly speaking, there are two applications that manufacturers build their batteries for: Starting and Deep Cycle.

  • Starter batteries are meant to start internal combustion
    engines. They have thin lead plates which allow them to discharge
    a lot of energy very quickly. However, they do not tolerate being
    discharged deeply, as the thin lead plates needed for starter currents
    degrade quickly under deep discharge and re-charging cycles. Most
    starter batteries will only tolerate being completely discharged
    (below 10 volts) a few times before permanent damage is done.

However, The BLS can reverse the damage and restore batteries to a like new condition.

  • Deep Cycle batteries have thicker lead plates that make them resistant to degradation due to deep discharges. They cannot
    dispense charge as quickly as a starter battery although deep cycle
    batteries can be used to start combustion engines (you just need
    a bigger battery than if you used a starter type instead.)

For many marine applications two banks of batteries are used.

One for starting the engine and another for operating all other loads. This is especially true for cruise sailboats. Since the two banks should be isolated from each other, one Battery Life Saver electronic device should be used on each bank. If current draw is critical, The Battery Life Saver electronic device can be wired through a relay that allows it to operate only when engine or APU are operating.

Costly boat marine deep cycle wastage

Many sport boaters replace the batteries on their boats every year or even every 6 months to avoid problems and be sure they can start the engine when needed.

This is totally unnecessary since regular use of the BLS will assure the battery user that it will work when needed

Simple storage of marine / boat battery

Boats frequently are allowed to sit for long periods between uses or are stored several months each year. This is a killer situation for a battery because sitting allows the battery to self discharge and the resulting low charge accelerates the build-up of sulfates on the plates.

The BLS eliminates this problem especially if used with a low rate charger during storage.

Advantages of using the BLS:

  • More than a 99% Customer Satisfaction Rate
  • Easy to use, attach it and forget it.
  • By constantly dissolving sulfate crystals, the BLS can double and sometimes triple battery life. This can save you $1000’s over time and you will be helping to save the environment from harmful battery waste.
  • Rejuvenates old batteries.
  • Only one BLS is needed per battery system.
  • Reverse polarity protected
  • Built to last, sturdy and elements resistant
  • Easy Do it Yourself Instructions, if you can connect jumper cables you can connect the BLS!

BLS Models:



For 12 and 24 volt battery systems. Also ideal for use with a battery charger to rejuvenate unusable batteries. Comes with alligator type battery clips for attachment. This is the best BLS model to rejuvenate old batteries.


12 Volt BatterySolver Package

Storage solution for 12 volt batteries. It is also an automatic solution to rejuvenate old “dead” batteries. Connect the BLS and the charger to the battery . Plug the charger into the timer, and set the timer to turn on once a day for 4 hours. This will rejuvenate your battery and keep it in optimal condition. Includes BLS-12/24B, the VEC080(12 volt, 2 amp Float Charger) and an indoor timer.


"I am an RV owner. I want to tell you that the Battery Life Saver brought back my $225 battery that was in very bad shape. It took a while but it’s still working great. It makes me very happy."

T.B. Bend

BLS Customer" />