Button cell battery Varta V303 (type SR44) single piece, 1.55V alkaline

Varta V303 (type SR44) is a single-piece 1.55V alkaline button cell intended for small electronic devices requiring SR44/L1154-sized power. The cell offers a compact form factor and stable nominal voltage suitable for watches, calculators, small toys and portable medical instruments where reliable short- to medium-term energy is needed. This single battery supply is convenient for replacing worn cells in devices that specify SR44 compatible batteries.

Advantages

The Varta V303 provides consistent 1.55V output with low self-discharge characteristics typical of alkaline button cells, enabling dependable operation in compact equipment. Its standardized SR44 dimensions make it compatible with a wide range of consumer and professional devices. Supplied as a single piece, the battery is suitable for immediate replacement and reduces the need to buy multi-packs when only one cell is required.

Suitable for

• Wristwatches and timepieces that accept SR44 / L1154 cells
• Calculators and small office electronics
• Small toys and handheld electronic gadgets
• Portable medical devices and measurement instruments
• Remote controls and key fobs compatible with SR44 size

Key specifications

• Cell type: Alkaline button cell
• Nominal voltage: 1.55 V
• Form factor: SR44 / L1154 size (button cell dimensions compatible with SR44 devices)
• Quantity: single piece
• Typical applications: watches, calculators, toys, medical and measuring devices

How to use

Before installation, confirm that the device manufacturer specifies SR44 or L1154 compatible cells and that 1.55V alkaline chemistry is acceptable. Turn off the device if possible and open the battery compartment according to the device manual. Remove the old cell, note polarity, and insert the Varta V303 with correct orientation. Close the compartment and check device operation. Dispose of the depleted battery according to local regulations for alkaline batteries or take it to a designated recycling collection point.

Usage recommendations

Store unused Varta V303 cells in a cool, dry place away from direct sunlight and metal objects that could short terminals. Do not attempt to recharge, disassemble or expose the cell to heat or fire. For devices requiring long-term continuous operation, consider checking device documentation for recommended battery chemistry and replacement intervals.