With a 1.55V output, the Maxell SR616SW 321 powers quartz movements and small electronics. Its silver oxide chemistry holds a 16mAh capacity within a 6.8mm frame. Consistent discharge rates maintain time accuracy despite high humidity.
Key Features
- Stable Voltage Output: 1.55V silver oxide chemistry maintains constant power. Your watch won't lose time as the battery drains.
- Leak-Resistant Build: Specialized sealing prevents electrolyte drainage inside the device. It stops chemical corrosion on delicate internal circuits.
- Thermal Stability: Operates between -10°C and 60°C. Temperature spikes won't stall the internal chemical reaction.
- Precision Sizing: 6.8mm diameter with a 1.65mm height. Fits SR616SW and 321 battery compartments without movement.
Frequently Asked Questions
Is Maxell 321 battery same as SR616SW?
Both codes identify the same 1.55V silver oxide button cell. They share identical 6.8mm by 1.65mm dimensions for universal compatibility.
How long does Maxell SR616SW last?
This 16mAh cell usually runs a quartz watch for 2 to 3 years. High-drain features like backlights or alarms reduce this duration.































































