I used the AW-2200 Prototype battery on several different Whites machines (White’s MXT Pro, M6, XLT and DFX) , but the primary testing was done on my Whites MXT Pro. The battery functioned flawlessly in the machine, and the length of service was outstanding, I believe the average run time I would get from a single charge was approximately 60 hours and I actually only ran it completely down to discharge 2 or 3 times in the 6 months of use.

The battery seems to have no diminished capacity loss due to recharging the battery before it has been completely run down, which would indicate the battery has no real memory as do so many rechargeable battery packs. I have been very surprised at the continued performance of this unit and will certainly buy another one for my other Whites machines.

Thanks RnB for a great product

Chris Moore

La Verne, Ca

I got one of the prototype batteries many months ago for my MXT PRO and am quite impressed. It out lasts Duracells by weeks per charge! It is really amazing how it just keeps on going and ....well you know. The finished product looks way cool too guys!
What about one of these LI battery pack for my Minelab?







By: Andy Sabisch

Bill is an avid relic hunter and has done his homework. He has pinpointed the location of a long-forgotten Civil War cavalry camp some 50 miles from home located a mile or two from the nearest road. His first few trips there to scout out the area indicated his hunch was right and several nice period relics were recovered. Bill planned to spend a full day there a few weeks later when he had the time off and when he checked the weather the day before his trip, saw the forecast was perfect for a day in the woods. Hiking in he started hunting but just before noon, his V3i started to indicate the battery was on its way out and a short while later, it turned off. Frustrated he began the long walk back to the truck wondering what had happened since he had charged the pack when he came home the last time he was at the site and not used the detector since then. Sound familiar? Have you found yourself in the middle of a prime location only to have your detector “give up the ghost” and power down? I think we have all been there even when we think we have a fully charged battery pack in the detector and invariably it happens when you are in the best site you have found in months . . . . I know it’s happened to me more than once over the years!

Well, the crew at RNB Innovations listened to countless detectorists bemoan that situation and set to work to develop a solution . . . . and their first product virtually eliminates it from happening to owners of many of the current models from White’s Electronics. While not as “glamorous” as a field test of say a new high-end gold detector where the tester reports finding several ounces of gold nuggets, this product report will show how a simple accessory can enhance your detecting experience.

RNB Innovations saw a need for a battery system that addressed a number of issues voiced by users which included overall operating time, recharge time, shelf life and weight. Looking outside of the metal detecting industry they incorporated Lithium-Ion (Li-Ion) battery technology into their prototype. There were several reasons for this which included greatly increased operating time between charges, virtually no loss of a charge over time if stored (unlike conventional rechargeable batteries) and reduced weight.

Newer detectors have incorporated state-of-the-art technology into their designs and White’s Electronics has been at the forefront with the addition of color screens, computerized circuitry and increased output strength to boost detection depth. These features and enhanced performance come with a price however and that is increased power consumption resulting in less time between charges or replacement of the batteries in the pack. Rechargeable batteries have been commonplace in the metal detecting field for years starting with Nickel-Cadmium (Ni-Cad) cells and migrating to Nickel Metal Hydride (NiMH) cells which offered slightly increased battery life and no memory which allowed them to be recharged at the end of each hunt without fear of reducing the operating life over time. So why has RNB Innovations opted to move to Li-Ion batteries in developing power packs as an after-market accessory? Well, if you look at the technical material available on battery design (I know, I need to be spending more time detecting or watching a newly released movie if I can find time to read battery design papers on the Internet ), Li-Ion batteries have become the new standard in many consumer devices especially portable tools for a number of reasons. First, they weigh between 25% and 40% less than a comparable Ni-Cad or NiMH battery offering the same stored energy and while ounces may not seem worth mentioning, after swinging a detector for hours in the field, ounces can and will start to feel like pounds. Second, they do not develop a memory which allows them to be “topped off” at any time with no impact on the amount of operating time they will provide. Third, they offer a more consistent discharge of power from initial charge which provides for more operating life from a pack and finally, they can be fully recharged in a fraction of the time a Ni-Cad or NiMH pack requires.

Earlier this year I had the opportunity to travel to Europe for some metal detecting and one of the detectors I took with me was the White’s MXT Pro. I had received one of the AW-2200 battery packs from RNB Innovations just prior to leaving and it had been charged before it was shipped. Not sure about the ability to use the charger without a converter (could not find mine), I hoped for the best and packed the MXT with the new battery pack in my carry-on bag. I had the opportunity to use the detector over there and when I returned, at several sites in South Carolina
 for more than 35 hours of operation. The battery pack was still indicating a strong charge. I connected the Smart Charger included with the system and it fully recharged the pack in just under one hour . . . the green light came on and I was back in business! An interesting piece of information to note is that RNB offers a car charger that also uses the Smart Charger technology which will allow you to fully charge a pack in your vehicle in the time it takes you to eat your lunch and look over the finds you made earlier in the day.

I was asked to conduct a field test of the new VX3 for Lost Treasure Magazine and this allowed me to combine testing of both the detector and the RNB Innovations battery system into one set of outings. The VX3 manual stated that expected battery life from the non-rechargeable 8 AA cell battery pack was 8 to 10 hours. Replacing the factory pack with the new AW-2200 pack which had been sitting for a few weeks showed that the voltage was almost exactly what it had been when it was removed from the charger . . . . no loss of stored energy over time which is a feature of Li-Ion batteries. I spent a good deal of time in the field testing the VX3 and after nearly 20 hours of use, the battery pack still registered a strong charge when checking the condition through the VX3’s onboard monitoring system. A quick check at my local chain pharmacy showed that a blister pack of 8 AA batteries ran between $6 and $9. With 20 hours of operation on the test VX3 (and it likely would have operated longer before requiring a charge), that equated to a savings of at least $12 to $18 . . . . if you do the math you can see how quickly the cost of feeding your detector with new batteries on a regular basis will add up if you do much hunting at all. I could have continued using the pack until it no longer functioned to see just how much operating time it would provide but I thought the 20 hours was quite impressive in and of itself.

If you are a hunter that spends a good deal of time searching sites that are not near a convenient outlet to recharge a conventional pack, a store where you could pick up replacements if needed or don’t want to carry extra batteries all day in case you might need them, RNB Innovation’s battery system is one accessory that should move to the top of your wish-list. The savings from the extended operation and rapid recharging of the system will quickly recoup the initial purchase price and the added benefits of reduced weight and ease of installing / removing the pack as compared to the stock pack tip the scale even further in the decision making process.

The complete AW-2200 system for White’s Detectors (M6, MXT, MXT Pro, XLT, DFX, VX3, V3i and the TDI-SL) lists for $229 which includes the unique Li-Ion battery pack and the Smart Charger for home use. The Smart Charger for auto use is an available option. RNB Innovations is working on systems for other detectors so check their website to see if they have a pack for your detector . . . . . while it might appear to be a rather innocuous accessory, not having to worry about batteries spoiling a day of hunting, eliminating the need to ever purchase a set of non-rechargeable batteries and reducing the overall weight of your detector are benefits that more than offset the purchase price of the system. I was extremely impressed with the AW-2200 battery system starting with the quality construction evident once you unpack it through the performance the pack provided in the field when used in several different detectors. As I used the AW-2200 system I thought back to that famous Tim Allen line in the series Home Improvement where he would say “More Power” . . . . . it seems that RNB Innovations took that to heart in the design of their new battery systems and based on my results, the end result would get Tim’s seal of approval!

For more information on the AW-2200 system as well as other packs that are under development, visit RNB Innovation’s website at http://RNB-Innovations.com . . . . and if you pick one up for your detector, you will quickly see that it is an accessory that offers a true benefit in the field.


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