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Exell MRB400 1.35V Zinc Air Battery Z400PX PX400 EPX400 RM400

  • Brand :  
  • Exell Battery
  • Output Voltage :  
  • 1.35V
  • Chemistry :  
  • Zinc Air
  • Height :  
  • 3.6mm (0.14")
  • Diameter :  
  • 11.2mm (0.44")
  • Country of Manufacture :  
  • China
  • Model Number :  
  • MRB400
  • UPC :  
  • 819891010759

List Price: $9.99
You Save: 40% off
 Special Price: $5.95


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1-11$5.95
12-99$5.75
100+$3.90
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Exell MRB400 1.35V Zinc Air Battery Z400PX PX400 EPX400 RM400

The PX400 is is a discontinued Mercuric Oxide coin type cell that was commonly used in cameras and is now banned because of toxicity and environmental fears. The original PX400 mercury cell produced 1.35V.

There are two possible replacements for this PX400 cell:
  • the equivalent silver oxide cell, the S400PX.
  • the equivalent zinc air cell, the WeinCELL MRB400.

There are no alkaline cells manufactured of this size and shape.

Specifications
  • Type: Zinc Air
  • Voltage: 1.35V
  • Diameter: 11.2 mm
  • Height: 3.6 mm

The S400PX cells produce 1.55V which is different from the 1.35V produced by the original PX400 mercury cell. This doesn't normally cause a problem because today's films are very tolerant to under-exposure and because the under-exposure is compensated for during printing. (so you would have greater problems if you were using slides). If you do find you need to compensate, because the S400PX silver oxide cell produces a steady 1.55V, you are able to compensate for the higher voltage by a fixed number of stops or by adjusting the ASA setting. There may be as many as two f-stops underexposure by a camera that uses 1.55v instead of the original 1.35v, but the compensation you require is constant.

Another PX400 replacement is a zinc air battery. The WeinCELL MRB400 is a custom zinc/air battery designed to replace banned mercury batteries. WeinCELLs deliver the same 1.35 V voltage and stability of output as did the mercury PX400 batteries so there is no need to adjust your exposure. The WeinCELL MRB400 batteries last much longer than hearing aid batteries, some times up to a year. To achieve this longer life, the MRB400 used a proprietary electrolyte and has only two small air holes, instead of the 7 larger holes found in standard hearing aid batteries.

Exell MRB400 1.35V Battery Replacement for: PX400 / EPX400 / RM400 / H-B / V400PX / E400N / PM400R / KX400 / T400N


Exell Batteries not only provide consumers with high efficiency, long-lasting performance, they also function as replacement batteries for an array of common and unique applications. Ranging from vintage camera equipment to sophisticated medical testing equipment, Exell Batteries can meet the needs of all consumers.

Exell Battery is one of the few product lines Proudly Assembled in the USA.Made with Alkaline cells, Exell Batteries will last longer and offer consumers excellent reliability.


Manufacturer Model
Ansi 1116M
Exell Battery MRB400
Iec MR42
Interstate Batteries APHO0225
Neda 1116M
Olympus SP1000 Camera
Olympus SP500 Camera
Pentax 400
Pentax 990124
Pentax Saunders
Pentax Spotmatic Camera
Pentax Spotmatic II Camera
Pentax Spotmatic IIA Camera
Replacements E400N
Replacements EPX400
Replacements H-B
Replacements KX400
Replacements MRB400
Replacements PM400R
Replacements PX400
Replacements RM400
Replacements T400N
Replacements V400PX
Varta V400PX
Wein MRB400
Wein V400PX

This battery was added to our catalog on Wednesday 22 September, 2004. - #249

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