{"product_id":"ausgeknipst-minox-35-batterie-mit-adapter-fur-minox-35-el-gl-gt-pl-pe-ec-c-ec-ecx-lx-tlx-schwarz_b0bc1wxzh2_","title":"Battery adapter PX27 for Minox 35 GT, EL, GL \u0026 LX","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstant exposure thanks to a flat discharge curve.\u003c\/strong\u003e SR44 silver oxide cells maintain their voltage steadily throughout their entire lifespan – almost identical to the original PX27 mercury battery. No creeping drift like with alkaline (LR44).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecisely made to PX27 original dimensions.\u003c\/strong\u003e The adapter fits four SR44 cells exactly to 12.7 x 20.5 mm. Battery compartment cover closes cleanly, stable contact – no tape, no tinkering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement batteries under 1 EUR each.\u003c\/strong\u003e SR44 (type 357) is a standard button cell. Drugstores, watchmakers, Amazon – available everywhere, in 10-packs for under 5 EUR. A battery change costs about 2 EUR.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy SR44 instead of alkaline or ready-made stacks?\u003c\/h3\u003e\n\u003cp\u003eThe original PX27 was a mercury battery with 5.6V and an extremely flat discharge curve. The voltage remained constant until shortly before the end. The Minox 35’s exposure automation works without an internal voltage regulator – it reacts directly to the battery voltage applied.\u003c\/p\u003e\n\u003cp\u003eSR44 silver oxide cells deliver 4 x 1.55V = 6.2V with a similarly flat curve. The voltage stays stable until the cell’s end of life, when it drops sharply. Under normal lighting conditions, the slightly increased voltage has no relevant effect on exposure.\u003c\/p\u003e\n\u003cp\u003eLR44 alkaline cells start at 4 x 1.5V = 6.0V and then continuously drop. At first, the exposure is correct. After a few weeks, it’s not. In analog photography forums, Minox owners regularly report deviations of about one stop when using LR44 – without realizing the battery is the cause.\u003c\/p\u003e\n\u003cp\u003eReady-made 4SR44 or 4LR44 stacks offer no advantage: 5–7 EUR each instead of 2 EUR, only available from specialty dealers, and when empty, the entire unit goes to waste. GoldenPower PX27 replacement batteries cost 8–15 EUR and internally contain 4x LR43 alkaline cells in one housing – with the typical voltage drop included. Also, LR43 has only about half the capacity of an SR44. So you pay more and have to replace more often.\u003c\/p\u003e\n\n\u003ch3\u003eScope of delivery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e 1x PX27 adapter + 4x SR44 batteries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet:\u003c\/strong\u003e 1x PX27 adapter + 4x SR44 batteries + 2x ISO label (spare)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete:\u003c\/strong\u003e 1x PX27 adapter + 4x SR44 batteries + 2x ISO label + 1x 30.5mm filter adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: PLA+ (technical plastic)\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eDimensions: 12.7 mm x 20.5 mm (identical to PX27)\u003c\/li\u003e\n\u003cli\u003eBattery system: 4x SR44 silver oxide (1.55V per cell, 6.2V total)\u003c\/li\u003e\n\u003cli\u003eCompatibility: Replaces PX27 \/ V27PX \/ 4SR43 \/ EPX27\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe PX27 mercury battery was the standard power source for the Minox 35 series and other compact cameras from the 70s and 80s. Since the mercury ban, there is no identical replacement. The typical workaround – wrapping four button cells with tape and hoping the stack fits – is error-prone and leads to contact problems.\u003c\/p\u003e\n\u003cp\u003eThis adapter holds four SR44 silver oxide cells and brings the stack to the exact original dimensions of the PX27. The cells sit firmly, the contacts lie cleanly, the battery compartment cover closes without force. The adapter itself is a one-time purchase – only the batteries are replaced.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Not suitable for Minox 35 ML, MB, and MBC (these require a PX28 adapter).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlternative names for this battery:\u003c\/strong\u003e PX27, V27PX, 4SR43, S27PX, PX27S, RPX27S, PX27A, 4LR43, A27PX, 4AG12, U27PX, V7150, Varta 7150, L7150, EPX27, KX27, RPX27, H-4N, MER27, HS3C, 1413MP, 4NR43, VPX27\u003c\/p\u003e\n\n\u003ch3\u003eTypical concerns – and our answers\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003e“Do 4x SR44 even fit in the battery compartment?”\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWithout the adapter: barely or not at all. Four SR44 add up to 21.6 mm height. The PX27 compartment is designed for 20.5 mm – a 1.1 mm difference is enough to prevent the cover from closing. Four LR43 are 16.8 mm and too short, causing wobble. The adapter compensates for the height difference and creates the correct outer diameter. This exact fit issue is a constant topic in analog photography forums.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e“6.2V instead of 5.6V – is the exposure still correct?”\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePractical tests and community experience show: The Minox 35 series works at 6.0–6.2V without relevant exposure deviation in normal daylight. In low light conditions (dusk, indoors), a slight tendency to underexposure can occur. If you want to be safe, reduce the ISO by one step. Negative film easily tolerates this minimal difference.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e“Wouldn’t 2x CR1\/3N lithium be enough?”\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2x CR1\/3N provide 6.0V with a flat discharge curve – on paper a good alternative. In practice, photographers report CR1\/3N cells that deliver undervoltage right from the start (2.7V instead of 3.0V). Especially from cheap suppliers and marketplace fakes. SR44 is a standard watch battery and too cheap to be faked – this risk is eliminated.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e“Why not just buy a ready-made PX27 replacement battery?”\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGoldenPower and similar PX27 replacement batteries internally contain 4x LR43 in a plastic housing – alkaline with a dropping discharge curve and only about half the capacity of an SR44. Cost: 8–15 EUR each, with unstable voltage and more frequent replacement. For the same price, you get our adapter plus 10 SR44 silver oxide cells – each with a flat discharge curve and double the capacity.\u003c\/p\u003e\n\n\u003ch3\u003ePractical tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInserting:\u003c\/strong\u003e Place batteries into the adapter, insert adapter into the battery compartment, close the cover. The adapter ensures correct polarity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransport lock:\u003c\/strong\u003e Place the included insulation disc between the adapter and battery compartment contact if the camera won’t be used for a while. Prevents self-discharge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirst film:\u003c\/strong\u003e Use ISO 400 negative film for the first roll after battery replacement. The wide exposure latitude forgives slight deviations while you get a feel for the exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReordering:\u003c\/strong\u003e SR44 batteries (also called 357, SB-B9, or SR44W) are available everywhere. You’re not tied to a specialty supplier.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWant to know more about battery alternatives for analog cameras?\u003c\/strong\u003e\u003cbr\u003e\nIn our \u003ca href=\"\/blogs\/fragen-und-antworten\/batterien-und-batterie-adapter-fur-analoge-kameras-probleme-und-losungen-faq\"\u003eFAQ article on batteries and adapters\u003c\/a\u003e, we explain all options in detail – including voltage comparisons and recommendations by camera type.\u003c\/p\u003e\n\n\u003c!-- BATTERY_COMPAT_BLOCK_START --\u003e\n\u003cdiv style=\"margin-top: 2em; padding-top: 1.5em; border-top: 1px solid #e0e0e0; font-size: 0.95em;\" class=\"battery-compatibility-block\"\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eFits various cameras, including:\u003c\/p\u003e\n\u003cul style=\"margin-bottom: 1.5em;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinox:\u003c\/strong\u003e 35 EL, 35 GT, 35 PE, 35 PL, C, LX \u003ca style=\"text-decoration: none;\" rel=\"noopener noreferrer\" href=\"https:\/\/ausgeknipst.de\/pages\/batterie-px27#minox\" target=\"_blank\"\u003e[...]\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRollei:\u003c\/strong\u003e 35 LED, 35SE, 35TE, A110, E110\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgfa:\u003c\/strong\u003e Optima 335, Optima Sensor Flash\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHanimex:\u003c\/strong\u003e VEF Zoom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure if the battery fits your camera?\u003c\/strong\u003e\u003cbr\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/ausgeknipst.de\/pages\/batterie-px27\" target=\"_blank\"\u003eHere is a complete list of all cameras compatible with the PX27 battery type.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- BATTERY_COMPAT_BLOCK_END --\u003e","brand":"Ausgeknipst","offers":[{"title":"Standard: Adapter + Batteries","offer_id":51112109769044,"sku":"1027","price":19.95,"currency_code":"EUR","in_stock":true},{"title":"Set: Adapter + Batteries + ISO Badge","offer_id":54015335694676,"sku":"2143","price":34.9,"currency_code":"EUR","in_stock":true},{"title":"Complete: Adapter + Badge + Filter Adapter","offer_id":54015336579412,"sku":"2144","price":38.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/3649\/4676\/files\/DSC00003.jpg?v=1755607522","url":"https:\/\/ausgeknipst.eu\/products\/ausgeknipst-minox-35-battery-with-adapter-for-minox-35-el-gl-gt-pl-pe-ec-c-ec-ecx-lx-tlx-black-b0bc1wxzh2","provider":"Ausgeknipst","version":"1.0","type":"link"}