The LR44 Alkaline Manganese Dioxide Button Cell Battery is a globally standard, non-rechargeable micro-power cell engineered for ultra-compact consumer and industrial electronics. The alpha-numeric “LR44” designation specifies its structural chemistry and baseline physical footprint: 11.6 mm in diameter and 5.4 mm in thickness. It is widely used to provide stable low-current power to handheld digital vernier calipers, pocket calculators, medical thermometers, laser pointers, electronic toys, and wearable LED devices.Â
✨ Key Features
- Universal Drop-In Matching: Adheres to a globally uniform form factor, matching multi-brand equivalent designations like AG13, A76, G13, and L1154.Â
- Continuous Energy Discharge: Features an alkaline manganese dioxide chemistry matrix that delivers steady operational voltage profiles across daily runtimes.
- Solderless Spring-Contact Layout: Designed exclusively for physical placement within leaf-spring or button-cell battery clips, preventing manual wiring risks.
- Mercury-Free Environmental Design: Manufactured with 0% added mercury or toxic heavy metals, making it safe for home use and everyday disposal.

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