PX28 Battery Adapter for Canon AE-1, A-1

• Standard cells instead of a block battery: Four LR44 or SR44 button cells replace a 4LR44 (PX28).
• Available everywhere: LR44 batteries are available at every drugstore and almost every supermarket.
• Two cell types supported: Use either 4x LR44 (alkaline) or 4x SR44 (silver oxide).

Compatibility

Suitable for various cameras, including:

• Canon: A1, AE-1, AE-1 Program, AT-1, New F-1 [...]
• Pentax: 67, 6x7, ES, ES II
• Mamiya: 645, 645 Pro, 645 Super, 7, 7 II, RZ67 Pro [...]
• Hasselblad: 2000 FC, 201 F, 202 FA, 203 FE, 205 FCC, PME [...]
• Yashica: Electro 35 CC, Electro 35 CCN, Electro 35 MC, FR, FR I, FR II [...]
• Nikon: EL, EL2, ELW

Not sure whether the battery fits your camera? Here is a complete list of all cameras compatible with the 4LR44 battery type.

Scope of delivery

• Adapter + batteries: 1x battery adapter (for 4x LR44/SR44), 4x LR44 button cells
• Battery refill pack: 4x SR44 button cells (silver oxide)

Technical details

• Material: engineering plastic
• Color: black
• Input: 4x LR44 (alkaline) or 4x SR44 (silver oxide)
• Output: replacement for 1x 4LR44 / PX28 / V28PX (6V)

Description

The right battery for your Canon AE-1, AE-1 Program, or A-1: This adapter lets you power it with four standard LR44 or SR44 button cells instead of a single 4LR44 (PX28). It sits in the battery compartment and provides the 6V the camera requires. This means you are not dependent on the block battery and can even bring a camera back to life if it had been taken out of service due to a lack of a suitable battery.

Made in Germany.

Installation note

On some Canon AE-1 Program cameras, the spring-loaded pin in the bottom of the battery compartment slips into the opening of the adapter's eyelet instead of pressing against a battery contact. The camera then receives no power. In this case, turn the cells in the adapter 180° and also insert the adapter rotated 180°. The polarity remains the same, but the pin makes direct contact with a battery terminal. This allows the adapter to remain installed permanently.

Frequently asked questions

Does the adapter also fit other Canon models? It replaces the 4LR44 or PX28 by size and fits anywhere these cells are used. The AE-1 and A-1 have been tested. If you are unsure, send us your model.

Why use four individual cells instead of one 4LR44? Because you can get LR44 cells in almost any drugstore and can optionally insert SR44 silver oxide cells. Four 1.5V cells provide the same 6V as the original.

Can I use SR44 instead of LR44? Yes. SR44 cells are silver oxide cells, maintain a more stable voltage, and last longer. They cost a little more but have the same dimensions and fit the same adapter.