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Alternative Energy Technologies - top of the line solar water heaters

Solar Sun Rings The Passive Solar Pool Heaters


	Solar Costa Rica, S.A.




		We test and record the exact condition of each battery begin an individual log of the battery. We also number the batteries and enter them into our database.




		We have batteries! These are the top of the line for solar and battery backup applications.

A true deep cycle battery, such as Rolls is capable of thousands of these hard cycles during its life without losing its capacity.
Comparatively, many advertised deep cycle batteries composed of thin plates, excessively porous separators, and low density plate oxides will suffer permanent capacity loss after a few dozen cycles and will shortly sulfate or shed plate material and fail.
Batteries without substantial materials designed for true deep-cycling will lose more than half of their capacity after only a few cycles.
A 200 Amp-hour battery will shortly become a 100 Amp-hour battery for the remainder of its shortened service life.
What initially may seem to be an inexpensive battery to purchase, now costs twice as much per Amp-hour.
True Deep cycle batteries will perform well as cranking batteries, however, cranking batteries will not survive deep cycle use.

The Rolls Surrette Deep Cycle battery is our preferred battery.

It is the choice for many applications and home power systems.

Price $525 plus 13% sales tax =