Thursday, 10 November 2016

How to Restore old Lead Acid Batteries

Radiant Energy Battery Rejuvenator

How to Restore old Lead Acid Batteries




Do It Yourself Lead Acid Battery Charger & Desulfator

Experience with a Bedini SSG battery charger and restorer.

Lead acid batteries can often be a problem to dispose of. They are also costly to replace. If disposed of improperly, they can end up in the land fill or rotting away in someone's back yard.

John Bedini has given a gift to the world that can restore old, discarded, sulfated lead acid batteries.

If a lead acid battery is sulfated from normal use, it can usually be restored with this invention. Batteries that have physical damage or have warped plates are useless. The Bedini SSG (Simplified School Girl) motor will break up the sulfation on the battery plates and recharge the batteries. In many cases, the battery will actually gain more potential, usable energy than the day it was sold.

Through normal use, a lead acid battery will slowly loose its ability to store energy. This will be seen by the requirement to charge the battery sooner each time. Conventional battery chargers actually contribute to this effect through heat. As the plates get heated up through charging, they are slowly damaged. A battery will have less energy each time it is used.

Old Lawn Mower Batteries that were restored with radiant energy

With the Bedini charger, this is not the case. I have restored batteries that were found laying around in a dump. Two such batteries that had a charge of less than 2 volts each are now powering my electric boat motor. These batteries were not taking a charge with conventional chargers. After some time and many cycles with the Bedini charger, the batteries are now better than new.

One day the boat sank in a storm in salt water and the batteries were drained to absolute zero volts. After a couple cycles on the radiant charger, they are good as new again.
The circuit itself is very simple and easy to make. Below are four schematics. The first three are the simple circuit and the last one is a more complex but higher output version.

Radiant Energy Battery Restoring CircuitBattery Rejuvenator Circuit Circuit for Radiant Energy Battery DesulfatorBattery Desulfation Circuit
Simple Radiant Energy Battery Restoring CircuitSimplified Circuit for restoring lead acid batteries Advanced Radiant Energy ChargerHigh output radiant energy charger circuit

In the very top picture of this page, you see a simple lawn mower wheel with cheap ceramic magnets hot glued onto it. A homemade coil of wire and a couple basic pieces of electronics are added to make a radiant energy generator. Below you can see closer details of the circuitry and the box made to house it. The first photo shows the whole unit housed in a homemade wooden box built with dowels and glue. No metal was used in the box in order to reduce magnetic interference.

The second photo shows the transistor, diodes and homemade coil. The third photo shows the back side of the control panel where the 5k potentiometer, jumpers and electrical connections are mounted. The last photo shows the front panel controls. A simple plastic wall cover plate was used here. Holes were drilled through the wood to the inside where all electrical connections are safely tucked away.

Simple Lead Acid Battery RegeneratorBattery Rejuvenator System Closeup of Generator Coil and CircuitryRadiant Charger Coil and Circuits
SSG Adjustments and JumpersView of School Girl Motor Adjustments Front Panel of SSG MotorControl Panel of Homemade Radiant Energy Generator

The front panel connections allow for easy changing of batteries and monitoring of the system status. A neon lamp shows if the charging battery suddenly gets disconnected, which would destroy the transistor. A tiny grain of wheat lamp gives a visual indicator of the input trigger status. The 5k Ohm potentiometer allows fine adjustment of the input current.

On the back side of the control panel is a small blue jumper which allows quick attachment of various resistors in series with the potentiometer for experimenting purposes.

Details of Bedini SSG Funtion

This motor will not self start. You must give it a little push to get it going, but then it will spin up on its own and self regulate its own speed based on the size and charge status of the batteries being charged.

As a magnet passes the coil, a small electrical current is induced into the primary coil. This triggers the transistor to turn on, allowing power from the run battery to flow through the secondary coil. The magnetic field produced in the secondary coil gives the wheel a small boost on its way past the coil. As the magnet leaves the coil, the transistor is switched back off. This causes the magnetic field in the secondary coil to collapse (back emf). At this stage, the radiant energy enters the system and is dumped through a diode into the batteries to be charged.

This system can be shown to produce more energy on the charging side than is required to drive the motor. In the system shown, the input current ranges between 150-200 mA.

See a video of it in action
The SSG circuit can also perform a bit of work while charging batteries. Below are a couple photos of a box fan frame used with the SSG to blow air while charging batteries. The lawn mower wheel and circuit was simply mounted into the frame of an old fan. The fan blade was hot glued onto the top of the wheel.

You are also not limited to just restoring 12 volt lead acid batteries. Below right are some photos of other batteries that have been restores. The first photo shows a pair of 6 volt 20 AH lead acid batteries. The last photo shows an alarm cell battery rated at 12 volt 7 Amp Hours. Both were found in the dump and are now doing well again after being restored on the homemade radiant energy charger shown on this page. To charge six volt batteries, simply hook them up in series to make twelve volts and charge them. 1.2 volt NiCad batteries, connected together to make 12 volts have also been charged with this circuit.

Box Fan SSGSSG with a fan blade Box fan SSG circuit viewCharging Batteries while with a fan
Restored 6 volt batteries6 volt lead acid batteries restored Restored alarm system batterySealed lead acid battery restored

Feel free to ask any questions or get help with your project on our Support Forum.

Final Notes:

All credit goes to the inventor John Bedini. For more detailed information and help with construction, see the Yahoo Group Bedini_Monopole3.

Disclaimer: The ideas presented here are for informational purposes only. Experiment at your own risk. We assume no responsibility whatsoever. 


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Thursday, 3 November 2016

PC USB Wi-Fi WIRELESS ADAPTER : D-Link DWA-160 Xtreme N -Review

USB Wi-Fi Network Adapter


D-Link DWA-160 Xtreme N 


PROS / Excellent range and speed. Dual band technology reduces the chance of interference.
CONS / Compatible only with Windows Vista and Windows XP operating systems.
VERDICT / An excellent adapter if using Windows XP or Vista. Make sure to get WPS functionality.

When looking for networking hardware, D-Link is the first name that comes to mind for many people. They have a well established reputation for versatility and innovation. Top Ten Reviews Silver Award winner D-Link DWA-160 Xtreme N is an excellent dual band wireless adapter that meets the requirements of the high speed Wi-Fi n standard. For other top rated products in this category, check out our Wireless Adapter review site
D-Link DWA-160 Xtreme N Visit Site
  1. How long it took to transfer our test files.
    Longer is Better.
  2. 2 D-Link DWA-160 Xtreme N
  3. Seconds
  4. Seconds
  5. Category Average
    28.70 Seconds

Data Transfer Performance

MIMO, or Multiple-Input/Multiple-Output, is a fundamental technology that distinguishes “n standard” Wi-Fi devices from previous versions. The DWA-160 uses this technology to achieve far greater range than was possible with past Wi-Fi devices. Signals that bounce off of walls, furniture and the like used to confuse Wi-Fi, creating dead spots and reducing range. With MIMO, the reflected data is redirected in such a way that dead spots are effectively reduced and a typical house is generally completely covered.
Being able to select between the 2.4GHz and 5GHz frequency ranges makes it possible to avoid conflict with other devices, like cell phones and kitchen appliances. The lower frequencies work fine for surfing the web and communicating via email and IMs. It’s also ideal for most interaction with other devices in the network such as file sharing with other computers. The frequency range is, however, subject to occasional interference simply because of the number of devices that use it. Switching to the 5GHz range can avoid that primarily because there aren’t many products using the channels. The higher frequencies also facilitate streaming of graphics-intensive content such as gaming and HD video content. Another valuable use of the range is for internet, or VoIP, telephone calls including video phone calls.
The wireless n standard employs Wi-Fi Multimedia technology often referred to as WMM. This functionality allows the user to prioritize different types of network traffic so that less time-critical data doesn’t override more sensitive transmissions. The result is an improved experience particularly with audio, video and voice applications.
The DWA-160 is backwards compatible with Wi-Fi g and a standard devices. Interestingly, it won’t operate with Wi-Fi b products. That won’t be an issue for most people in that the b standard is the least capable of all available Wi-Fi. We make note of the caveat for those rather few users that may need to link to a device that has only b standard connectivity.


There are always security issues when employing wireless networking. The D-Link DWA-160 incorporates Wi-Fi Protected Access, WPA, for data protection and network access control. More importantly, the newer WPA2 encryption protocol is in place. It incorporates Advanced Encryption Standard, AES, to keep would-be hackers away from sensitive data. AES is widely used by governments and major corporations to protect information and, at least to date, there is no record of the standard having been broken.
The device also employs the original Wi-Fi encryption standard known as WEP, or Wired Equivalent Privacy. While useful, WEP has some well-known vulnerabilities and should not be used as a sole protection layer for sensitive information. Users should be aware that if any device on a network complies with only WEP requirements the entire network shares its shortfalls.
Like most wireless n products, this adapter makes Wi-Fi Protected Setup, WPS, available. The feature allows for the adapter to be mated to the wireless router securely with the touch of a button. It should be noted that only hardware version A2 of this product offers this feature. It’s easy to spot the difference because it adds a small, orange button, located by the activity LED, to the device’s exterior. Check out our screenshots to see the difference.

Ease of Use

Initial setup of the adapter is made easy by the D-Link Quick Adapter Setup Wizard that is included on the installation CD. Network connection can be achieved with the push of a button using the WPS feature. See the security section of this review, above, for an important limitation.
This device operates only with PCs using the Windows XP or Windows Vista operating systems. If compatibility with other OSs becomes available, a firmware update will be made available on the company’s website.

Help & Support

D-Link technical support can be contacted by toll-free telephone number 24 hours a day, 7 days a week. Their website also offers a form-driven email option. A large number of customer questions can be answered by the site’s searchable FAQ section. The product is covered by a 1-year limited warranty.


The D-Link DWA-160 Xtreme N is a worthy competitor among dual band wireless adapters. In that the WPS capability is so useful, we recommend making sure that it’s included when shopping for this device. Consumers who use Mac or Windows 7 also need to check elsewhere for a top wireless adapter.

D-Link Wireless Dual Band N600 (300/300 mbps) USB Wi-Fi Network Adapter (DWA-160)

  • The Duo technology in the DWA-160 supports selectable dualband (2.4GHz or 5GHz) wireless signals.
  • The DWA-160 utilizes MediaBand (5GHz), which is the best technology available for wirelessly streaming HD videos across your network
  • D-Link Quick Adapter Setup Wizard guides you step-by-step through the installation process
  • Delivers up to 14x faster speeds* and 6x farther range* than 802.11g
  • Xtreme N Duo is the latest addition to the award-winning Xtreme N product family
Bye for now !


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