Exell MRB675 1.35V Mercury Replacement Battery - Replaces PX675, PX675H, PR44, V675PX

Keep your precision devices operating accurately with the Exell MRB675 1.35V Mercury Replacement Battery. Designed as a dependable replacement for discontinued mercury batteries, this zinc-air battery delivers a stable 1.35V output for vintage cameras, handheld light meters, hearing aids, and other specialty analog electronics. Unlike many substitute batteries that may cause voltage drift, the MRB675 is engineered to provide the mercury-equivalent voltage needed for accurate metering and reliable device performance.

Built with modern mercury-free zinc-air technology, the Exell MRB675 offers a safer and more environmentally friendly

Exell Battery MRB675 fits Kiev 60 TTL, FM2n, Saunders 990122
Item Description

Exell MRB675 1.35V Mercury Replacement Battery - Replaces PX675, PX675H, PR44, V675PX

Keep your precision devices operating accurately with the Exell MRB675 1.35V Mercury Replacement Battery. Designed as a dependable replacement for discontinued mercury batteries, this zinc-air battery delivers a stable 1.35V output for vintage cameras, handheld light meters, hearing aids, and other specialty analog electronics. Unlike many substitute batteries that may cause voltage drift, the MRB675 is engineered to provide the mercury-equivalent voltage needed for accurate metering and reliable device performance.

Built with modern mercury-free zinc-air technology, the Exell MRB675 offers a safer and more environmentally friendly alternative to older mercury cells while maintaining the consistent output required by sensitive equipment. Ideal for photographers, collectors, repair technicians, and hearing aid users, this battery helps extend the life of classic devices that depend on precise voltage for proper operation.

Key Features

  • Exact 1.35V output for accurate metering and dependable performance
  • Replaces PX675, PX675H, PR44, V675PX, and EPX675 battery types
  • Designed for hearing aids, vintage cameras, and light meters
  • Zinc-air chemistry provides stable voltage during use
  • Mercury-free design offers a safer modern replacement for discontinued mercury batteries
  • Ideal for preserving the function of classic analog and specialty devices

Product Specifications

  • Brand: Exell
  • Model: MRB675
  • Battery Type: Mercury Replacement
  • Voltage: 1.35V
  • Chemistry: Zinc Air (Mercury-Free)
  • Battery Size: PX675 / 675
  • Diameter: Approx. 11.6mm
  • Height: Approx. 5.4mm
  • Rechargeable: No
  • Shelf Life: Limited once activated (air-activated)

Ideal Applications

  • Hearing aids
  • Vintage film cameras
  • Light meters and exposure meters
  • Photographic equipment
  • Specialty analog electronics
  • Scientific and specialty instruments

Compatible Devices

  • Hearing aids that use standard size 675 batteries
  • Vintage cameras requiring PX675 batteries
  • Sekonic handheld light meters
  • Gossen handheld exposure meters
  • Analog exposure meters and photography tools
  • Specialty scientific instruments using PX675-size cells

Ideal For

  • Hearing aid users
  • Film photography enthusiasts
  • Vintage camera collectors
  • Professional photographers using analog equipment
  • Camera repair technicians
  • Electronics hobbyists

Cross Reference Part Numbers

PX675, PX675H, 675 Hearing Aid Battery, PR44, V675PX, EPX675

How to Activate

  • Remove the protective tab to allow air into the battery
  • Wait at least 1 to 2 minutes before installation; up to 5 minutes is recommended for best performance
  • Install the battery into the device with correct polarity
  • Activation begins immediately once the tab is removed
  • The battery cannot be turned off after activation
  • Allowing time after tab removal helps the battery reach full voltage and optimal performance

Pro Tips

  • Only activate the battery when you are ready to use it
  • Keep unused batteries sealed until needed
  • Avoid storing batteries in humid environments

Why Choose the Exell MRB675?

The Exell MRB675 is an excellent choice for users who need a precise 1.35V mercury battery replacement for hearing aids, vintage cameras, and light meters. With stable zinc-air chemistry, broad compatibility, and a mercury-free design, it helps maintain the accuracy and dependable performance required by classic and specialty devices.
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