Rathbone Broadcast Batteries

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There's a better way - rathbonebroadcastbatteries.com when cell quality is paramount

The more you are accurately informed the better you will appreciate rathbonebroadcastbatteries.com services, products, and 20 consistent years of operation. 

 Green Since 1989! 

A Full Disclosure Web Site:                                    

Thank you for visiting us at NAB2007 Booth #: C10621 but after consecutive years of extreme expense, dissatisfaction, and continued reduction in floor traffic we have decided to forgo NAB Hype and keep your prices much lower.

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Poll Questions and Answers

1. Which chemical may demonstrate "High Load" issues? Nickel Cadmium - Press Negative, Nickel Metal Hydride, Lithium Ion?

   1. High Load Concerns Voiced by Clients about All Brands and addressed by Rathbone Energy

2. If you could purchase a lithium ion battery that gave you +/- 1000 charge - discharge cycles over the average 500 charge discharge cycles available in Rathbone Lithium Ion Battery Packs today, and would charge in 15 minutes instead of at least two hours, how much more would you be willing to pay.  Lower grade "Brand Name" cells and Chinese cells offer < 200 Discharge cycles. Answer: N/A

3. Current lithium ion technology allows an average 500 charge - discharge cycles and at least a two hour charge rate. Would you pay more for the same battery if it delivered up to 1000 charge - discharge cycles and charged in 15 minutes?  Answer: N/A
4. In extreme weather temperatures, which battery chemical, do you believe, stands up best?  

   1. Correct Answer: Nickel Cadmium Sintered Positive Electrode, Rapid Charge manufactured by Panasonic, Saft, and Sanyo, (Now a Mute Point)

   2. Nickel Metal Hydride Foam Paste Negative and Nickel Cadmium Press Negative are equivalent

   3. Lithium Ion

   4. Battery Cells (A lot of information Not yet loaded)

   5. See Note in item # 6 below.

5. When buying a new charger, what options are most important to you?  Answer: N/A
   1. Versatility and mount system
   2. Versatility and battery chemistry
   3. Being expandable and upgradeable
   4. Being American Made
6. When contaminants in a lithium ion cell pierce the separator causing the cell to short, how long does it take for the thermal runaway temperature to reach several hundred degrees Celsius causing a chain thermal reaction in neighboring cells?
   1. Correct Answer: Less than one second
   2. Lithium Ion Battery Supporting Information in Detail
7. What battery cell chemistry is most durable, most charge discharge cycles?

   1. Correct Answer: Nickel Cadmium Sintered Positive Electrode, Rapid Charge manufactured by Panasonic, Saft, and Sanyo,

      1. Sintered Positive Electrode Technology is no longer available

   2. Nickel Metal Hydride Foam Paste Negative and Nickel Cadmium Press Negative are equivalent with 500 discharge cycles

   3. Lithium Ion: 500 Discharge Cycles, more narrow temperature range. (LG Kim, Panasonic, and Sanyo's Very Best Models)

   4. Battery Cells (A lot of information Not yet loaded) 

   5. Note: Nickel Cadmium Sintered Positive Electrode technology is no longer available leaving nickel cadmium press negative and nickel metal hydride foam press negative in equivalent charge-discharge cycles and durability.  Thus, because of the difference in capacity, we suggest nickel metal hydride over nickel cadmium press negative battery packs.  Using Panasonic or Sanyo battery cells of course.

   6. When you consider that premium Panasonic and Sanyo Lithium Ion and Nickel Metal Hydride battery cells now offer 500 discharge cycles, we have elected to promote the lithium ion battery technology.

8. When buying a new charger, what options are most important to you?

   1. N/A

   2. PS: For proper and best charge rate:

      1. Nickel Cadmium requires a negative delta V routine.  A PAG or Cadex analyzer is better than a Smart/Intelligent Charger

      2. Nickel Metal Hydride requires a dt/DT charge routine.  A PAG or Cadex analyzer is better than a Smart/Intelligent Charger

      3. Lithium Ion requires a Current/Voltage charge routine.  Maintenance is required but a high end analyzer is not necessary for Lithium Ion.  Plus the individual cells of a properly manufactured lithium ion battery pack has all the proper and necessary components to protect that battery.

      4. More latter on a separate page

Terminology Notes:

1. Sintered on Sinter: Sintered Positive Electrode, (Best):  US and Japanese term for industry type manufacturing technique.
2. Heavily Porous: US and Japanese term for Panasonic manufacturing technique.  Panasonic dropped all their large nickel cadmium cells on or around March 2005.
3. Press Negative: US term for manufacturing technique.
4. Pasted Negative: Japanese term for manufacturing technique.
5. If you see the wording Heavily porous and Sanyo in the same sentence chances are you are reading marketing spin from someone telling you whatever they think you want to hear to close a sale..
6. If you see bare cells in generic PVC sleeves or fiber tubes the chances are very high that you are probably Not getting what you were told.
7. Battery cell specs: R=Rapid Charge; E or S=Extra Capacity; L=Low Top
8. Battery Cell Manufacturers Time
9. The Cost of Nickel
10. Toshiba, Energizer, Gold Peak: Consumer Grade
11. Brand Name: Does NOT mean a quality brand or the best cell of that brand.

Thursday, February 26, 2009 08:15:10 AM