Px 13 Battery
Overview
Product sourcing insights & recommendations
The 'PX 13' (often referred to as PX625 or V625PX) is a discontinued 1.35V mercury oxide battery primarily used in vintage film cameras and exposure meters. Since mercury batteries were banned for environmental reasons, the market has shifted toward three distinct replacement strategies, each with specific trade-offs in performance and cost.
Product Analysis & Equivalents
There is no single "perfect" drop-in replacement, but the market offers these alternatives:
* Zinc-Air Batteries (e.g., WeinCell MRB625): These provide the most accurate 1.35V output and a flat discharge curve, critical for accurate light metering. However, they have a short lifespan (weeks to months) once activated Gossen-PhotoExellbattery.
* Voltage-Reducing Adapters (e.g., MR-9): A one-time investment that uses a microchip to drop the 1.55V of a silver oxide battery (SR43) to 1.35V. This is considered the best long-term solution for professional photographers Gossen-PhotoPolarbearcamera.
* Alkaline Batteries (LR625/625A): The most affordable and widely available option. While they fit physically, their 1.5V output drops continuously, leading to increasing metering errors as the battery drains CameractiveExellbattery.
Market Trends & Insights
* Niche Persistence: Demand remains steady among film photography enthusiasts and vintage camera collectors. Major brands like WeinCell and Exell have carved out a stable niche by providing direct 1.35V zinc-air replacements AmazonExellbattery.
* Price Volatility: Direct replacements like WeinCells are significantly more expensive than standard button cells, often costing $7–$10 per unit, driving price-sensitive users toward cheaper alkaline alternatives or hearing aid battery (675) hacks CameractiveMflenses.
* Technological Shift: The trend is moving toward brass or electronic adapters that allow modern, stable batteries to be used in legacy equipment, effectively "future-proofing" vintage gear against the total disappearance of specialized button cells Gossen-PhotoEtsy.
Sourcing & Availability
I have identified suppliers for both high-end adapters and bulk alkaline replacements to support various business needs.
Px13 Battery Adapter Sr43 Mr 9
Products · 6 lists
MR-9 Battery Adapter for Film Camera & Exposure Meter MR9 PX625 PX13 Fits for LR44 1.4v Zinc Air Button Cell
Mirui Technology (shenzhen) Co., Ltd.🇨🇳CN6 yrs
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For R3 Power Bank 9V Battery Snap Power Connection Cable DC Battery Snap Adapter
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18V 5A M3539A Medical Battery Adapter for Phil HEART-START MRx Defibrillator
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Input 100-240v 50-60hz 13.8v 14.4v 14.6v 28.8v Dc Ac Adapter for Ps2 Ni Mh Battery Charger Electric with OTP & OVP Protection
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2*PP3 Battery Snap to PP9 Terminal Adapter Converter 9V 26AWG PVC & Copper Nickel Plating for Electronic Devices Repair
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Various Power Tool Battery Adapter for 18V Lithium Ion Batteries Power Tools Adapter for 18V MAK DEW MIL BOS for BL1860B DCB205
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Np Fz100 NP-FZ100 Dummy Battery +USB Type C Power Adapter for so Ny Fx30 Alpha1 A7C A7M3 A7M4 A7R4 A7R3 A7RM4 A9 A9II A6600
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PATONA Premium USB-C Input Battery Adapter DMW-BLK22 DC-S5 G9 GH5 GH5S GH6 Input 8.5V-9.25V Out 8.4V
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Sources & References
25 sources cited · Verified industry data & reports
2 Replacements For 1.35v PX625 (PX-13) Battery – Cameractive
cameractive.com
The PX625 is a small button-shaped 1.35volt mercury battery which a great number of camera models were designed to use. Unfortunately, they are either very difficult to find or very pricey. Here are 2 solutions. 1. Use 1.5v LR625 battery instead The LR625 is cheap and almost in the same size as the LR625. The PX625 is a small button-shaped 1.35volt mercury battery which a great number of camera models were designed to use. Unfortunately, they are either very difficult to find or very pricey. Here are 2 solutions. ... The LR625 is cheap and almost in the same size as the LR625. 2 Replacements For the Yashica Electro 35 Battery (PX32/HM-4N) August 6, 2020 · 2 Replacements For 1.35v PX625 (PX-13) Battery July 29, 2020 This copper-made adapter can convert a LR44 battery or 675 zinc-air battery (also known as hearing aid battery) into a PX625. I recommed using a 675 zinc-air battery because its voltage is 1.4v, which is very close to the voltage of PX625, while the volage of LR44 is 1.5v.
Replacing Mercury Batteries V625PX | Gossen
www.gossen-photo.de
MRB625 zinc-air batteries, which have a cell voltage of 1.35 V and are of identical shape and size as the V625PX and PX13 mercury batteries, are available from WeinCell or Exell Battery as replacements. The smaller MRB675 or PR44 hearing aid batteries can be used with a mechanical adapter as an inexpensive alternative. The battery adapter replaces two no longer available mercury oxide button cells V625PX or PX13 with two silver oxide button cells IEC SR 43 and adapts them both mechanically and electrically to the characteristics of the original batteries. Replacement by silver oxid batteries and battery adapter · The commercially available MR-9 PX625 battery adapter, which mechanically and electronically adapts the SR43 silver oxide battery to the voltage and size of the V625PX mercury battery, is a further replacement option. The higher performance SR44 can also be used if the device’s battery compartment is capable of accommodating the slightly thicker battery. The commercially available MR-9 PX625 battery adapter, which mechanically and electronically adapts the SR43 silver oxide battery to the voltage and size of the V625PX mercury battery, is a further replacement option.
Amazon.com: WeinCell MRB625 Replacement Battery for PX625/PX13
www.amazon.com
Amazon.com: WeinCell MRB625 Replacement Battery for PX625/PX13 LOOPACELL 625A PX625A LR9 V625U PX625 Alkaline Battery - 1.5V Long Lasting Coin Cell Button Battery for Battery Powered Light Meters, Vintage Cameras, Small Flashlights, Car Keys eTone 2pcs Brass Metal Battery Adapter for Older Film Camera Exposure Meters MR9 PX625 PX13 FASTROHY 2Pcs MR-9 Battery Adapter Replacement for Film Camera and Exposure Meter MR9 PX625 PX13
Battery px13-AliExpress
www.aliexpress.com
The px13 battery equivalent may refer to third-party batteries that offer similar performance and compatibility. Other related models include the battery b13, battery 13 pro, p13 battery, px 13 battery, battery 13, xps 13 battery, px1 battery, battery bp1310, px13 battery, battery 1330, px1733 battery, px625 px13 battery, p13 batteries, 13 battery, battery 13a, and px03xl battery. By following these practices, I’ve been able to maintain over 80% of the original battery capacity after two years of regular use. If you're looking for a similar battery for another device, consider the px13 battery equivalent or px 13 battery, which may offer similar performance and longevity. Discover everything about the Battery PX13, including replacement options, lifespan extension tips, common issues, and user reviews to help you make an informed decision. If you're looking for alternatives or accessories for the Battery PX13, consider the following options: - Battery x131e – A similar battery used in other laptops, often with comparable performance. - Battery p13 – A common replacement for similar devices. - Battery 13 pro – A higher-capacity option for users who need extended battery life.
1.35V PX625 Mercury Battery Replacement (PX13, H-D, MR-9, E-625N, ...
polarbearcamera.com
Remark: Do not use alkaline or silver-oxide batteries on mercury cell-powered devices. Otherwise, it might damage the device permanently. Please recycle batteries after use. Replaces PX625, PX13, H-D, MR-9, E-625N, EPX625, 625 ANALOG produces drop-in replacement batteries that substitute mercury batteries with no compromise. You can achieve accurate exposure results with this direct replacement; no camera modification is needed. After removing the seal, please wait for 30 minutes before use. Thus, a suitable replacement battery is required to bring them back to life. It allows the battery to stabilise the output voltage.
PX625 / PX13 / MR9 Mercury Cell - Small Battery Company
www.smallbattery.company.org.uk
Another PX625 replacement is a zinc air battery. The WeinCELL MRB625 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 PX625 batteries so there is no need to adjust your exposure. To achieve this longer life, the MRB625 used a proprietary electrolyte and has only two small air holes, instead of the 7 larger holes found in standard hearing aid batteries. Possibly the 'Rolls Royce' of replacements is the MR-9 adapter fitted with a silver oxide 386 cell. The MR-9 adapter is the shape and size of a PX625 cell, has a recess into which a 1.55V silver oxide 386 cell can be dropped and and contains voltage regulating electronics to drop the voltage to match the 1.35V of the original mercury cell. We ask our customers of PX625 cells to dispose of mercury cells thoughtfully. Local authorities operate recycling facilities and we are happy to receive batteries for safe disposal, even those that we have not originally sold. Also known as: PX625 / PX13 / EPX625 / V625PX / MR09 / MR9 / H-D / HD / RPX625 / RM625 / KX625 / HD1560 / 1124MP / Mallory RM-625R / Eveready E625N / Burgess HG-625R / 4370 / 4371 / V13PX / EPX13 / V625PX / HD625 / PN625 / RM625 / 4625 / 625 / H1560 / HD-D / M01 / M20 / 8930 / Varta 7002 / Pertrix 7002.