Frequently Asked Questions
General
What is "Radiant" battery charging technology?
Are there any patents behind these products?
What kind of batteries can be charged with these products?
Have these chargers really restored useless batteries to useable condition?
Are these chargers hard to understand and use?
How does the efficiency of Renaissance chargers compare to other chargers?
Where does the energy savings show up?
How do I use my Renaissance charger to rejuvenate batteries?
How would I use my Renaissance charger to get the maximum longevity out of my new batteries?
Product Specific
Can I download the owner's manuals?
What happens if I use a different power supply to power my RC-2A12 charger?
What happens if I attempt to charge a battery that is higher or lower than 12V with my RC-2A12 charger?
What is "Radiant" battery charging technology?
It is technology that uses intense, unidirectional wave impulses (described by famous inventor Nikola Tesla as radiant energy) to charge batteries.
Are there any patents behind these products?
Yes, the following have led to and/or cover these products. There are also international patents.
• U.S. Patent 6,392,370 issued May 21, 2002 for a "Device and method of a back EMF permanent electromagnetic motor generator". Expires January 12, 2020.
• U.S. Patent 6,545,444 issued April 8, 2003 for a "Device and method for utilizing a monopole motor to create back EMF to charge batteries". Expires March 13, 2021.
• U.S. Patent 6,677,730 issued January 13, 2004 for a "Device and method for pulse charging a battery and for driving other devices with a pulse". Expires December 21, 2021.
• U.S. Patent 7,109,671 issued September 19, 2006 for a "Device and method of a back EMF permanent electromagnetic motor generator".
What kind of batteries can be charged with these products?
Our first and most popular model, the RC-2A12, is designed for 12V lead-acid starter and deep-cycle batteries. The RC-1AU can charge anything from a "AAA" battery to a large 24V cordless tool battery pack. The industrial models RC-30A12 and RC-15A24 are made for 12V and 24V batteries of most sizes. The E-Car unit works on 72V to 144V banks of 6V, 8V, or 12V batteries, up to 250AH. The EN-20AU charger is for banks of batteries ranging from 24V to 72V. Feel free to call us for advice on your specific application.
Have these chargers really restored useless batteries to useable condition?
Yes. As long as the cells are not damaged and/or shorted we have been able to restore numerous batteries of all sizes. In some cases discarded batteries that were regularly charged with these chargers gained in capacity above that of a new identical battery. In many cases brand new batteries have increased capacity; in some cases two times more during the first five to ten cycles. There is no certainty as to how much restoration (and capacity increase) will take place because batteries differ in their quality of manufacture and subjected charging and loading conditions. But our experience has shown us that 80% of the discarded batteries we found we were able to put back into use.
Are these chargers hard to understand and use?
No. These products are fully automated and require little understanding to work. However, in order to get best results and to work safely, users need to read and understand the owner's manuals since working with batteries can be dangerous.
How does the efficiency of Renaissance chargers compare to other chargers?
This is a difficult question because of:
1) the differing methods efficiency is measured by, and
2) the wide variety of chargers that are out on the market.
Most manufacturers figure their efficiency as the ratio of the power delivered to the battery from the charger vs. the power consumed by the charger. For practicality, we are concerned with a different efficiency measurement: How much power is delivered from the battery vs. the power consumed by the charger? And, how do you rate this when the battery is constantly degrading in capacity, spending more time (consuming more energy) on the charger and less time being used? If you consider efficiency as total lifetime amp-hours delivered by the battery vs. kWh consumed by the charger, like we do, the typically incredible increases in battery capacity dramatically increase efficiency. Your batteries spend more time delivering power, not consuming it in vain attempts to charge it. This does not even count the significant savings because of lower battery replacement costs.
Battery charger efficiencies vary widely due to the different constructions, charging methods, etc. Unless comparing specifically to another identically power rated model, declaring absolute efficiency, even for one charge/discharge cycle, becomes only possible on a case by case basis.
Where does the energy savings show up?
In the long term.
With conventional battery charging, battery capacity degrades significantly with each charge. In order to get the energy out of the battery, the common practice is to place the battery on the charger more frequently and/or for longer periods of time. Since the battery cannot retain the charge, this energy is being wasted. Radiant charging reduces this energy waste by significantly improving the battery's ability to store its charge. Consequently, the battery spends less time on the charger, consuming less energy, and giving you more of the power you need.
How do I use my Renaissance charger to rejuvenate batteries?
Just as it took time for your batteries to degenerate, restoring the crystalline structure of the battery plates takes time. After several cycles of charging with the Renaissance charger, and then discharging at a slow rate, the plates will gradually be restored to their optimum condition. The rejuvenator models RC-30A12 and RC-15A12 fully automate this process in the quickest time possible, alternately charging and discharging the battery until its most optimum capacity is reached. Although the most dramatic increases in capacity are usually seen in the first few cycles, typically a gradual increase in capacity results from the continued use of a Renaissance charger.
How would I use my Renaissance charger to get the maximum longevity out of my new batteries?
Choose a charging routine that is appropriate for the battery.
Depending on size and composition, a new battery will usually reach its maximum capacity after 2-5 cycles when being charged with the RC-30A12 series chargers. After any battery (old or new) has reached its maximum capacity, a balance should be maintained that:
1) allows the battery to be charged as gently as possible, and
2) does not allow sulfation buildup to occur.
For maximum battery life, the potency of the radiant charge must be applied suitably to the battery in order to keep the above two conditions met.
Can I download the owner's manuals to Renaissance products?
Yes. Download from the table below.
What happens if I use a different power supply to power my RC-2A12 charger?
If you do this you will void the warranty. Plugging a different voltage or amperage supply to the charger will ruin the charger. See label and manual for details.
What happens if I attempt to charge a battery that is higher or lower than 12V with my RC-2A12 charger?
If you do this you will void the warranty. Using a higher voltage battery will ruin the charger; and using a lower voltage battery may also ruin the charger or may fail to start the charging process. See product labeling and manual for details.
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