Exell MRB400 1.35V Mercury Replacement Battery – PX400 PX625 Camera & Light Meter Battery
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Reliable 1.35V mercury replacement battery for vintage cameras and light meters
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Stable voltage output ideal for precision photography equipment
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Designed as a safe replacement for discontinued mercury batteries
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Long-lasting performance for consistent and accurate readings
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Compatible with PX400, PX625, and equivalent battery types
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Exell MRB400 1.35V Mercury Replacement Battery – PX400 PX625 Camera & Light Meter Battery
The Exell MRB400 1.35V Mercury Replacement Battery is специально designed to replace discontinued mercury batteries used in vintage cameras and precision light meters. Delivering a stable 1.35V output, this battery ensures accurate exposure readings and consistent performance, making it an essential solution for photographers using classic film equipment. It is engineered to replicate the voltage characteristics of original mercury cells without the environmental hazards.
Built with modern battery technology, the MRB400 provides reliable, long-lasting power while maintaining compatibility with legacy devices. Ideal for collectors, photography professionals, and hobbyists, this battery offers a dependable and safe alternative to PX400 and PX625 mercury batteries, ensuring your equipment continues to perform at its best.
Key Features:
- Accurate 1.35V Output
- Ensures reliable readings in sensitive equipment.
- Replaces RM400 / V400PX
- Direct mercury battery replacement.
- Designed for Specialty Devices
- Ideal for exposure meters and legacy instruments.
- Stable Zinc-Air Chemistry
- Consistent voltage output throughout use.
- Mercury-Free Alternative
- Environmentally safer solution.
Product Specifications
- Brand: Exell
- Model: MRB400
- Battery Type: Mercury Replacement
- Voltage: 1.35V
- Chemistry: Zinc Air (Mercury-Free)
- Diameter: Approx. 15.6mm
- Height: Approx. 5.95mm
- Shelf Life: Limited once activated (air-activated)
- Rechargeable: No
Applications / Uses
- Vintage film cameras
- Light meters and exposure meters
- Photographic equipment requiring stable 1.35V
- Analog camera accessories
- Specialty electronics using PX400/PX625
Common Devices That Use MRB400 / PX625 Batteries
- Canon FTb, AE-1 (with adapter)
- Minolta SRT series
- Olympus OM-1
- Pentax Spotmatic
- Yashica and other vintage film cameras
- Handheld light meters (Sekonic, Gossen)
Ideal For
- Film photography enthusiasts
- Vintage camera collectors
- Professional photographers using analog equipment
- Camera repair technicians
- Photography hobbyists
- Light meter users and studios
Cross References
- PX400
- PX625
- EPX625G
- V625U
- 625A (alkaline alternative)
- RM400
- V400PX
How to Activate (IMPORTANT)
- Peel off the protective tab
- Wait at least 60 seconds (recommended up to several minutes)
- Insert into device
- Air activates the battery chemistry
- Performance improves with short wait time
- Battery begins draining once activated
Pro Tips:
- Do not activate until ready to install
- Store at room temperature
- Keep sealed to preserve shelf life
| UPC | 819891010759 |
|---|---|
| Diameter | 11.2mm |
| Height | 3.6mm |
| Condition | New |
| Brand | ExellBattery |
| Chemistry | Zinc Air |
| Output Voltage | 1.35 |
| Rechargeable | No |
| Voltage | 1.35V |
