Cotchear is a professional battery product manufacturer founded in 1995. As a professional international battery product manufacturer, our mission is to provide high-quality products with ultra-high cost-effectiveness. Each battery has undergone professional testing and meets the highest safety standards.

The AG4 button batteries, also known as LR626 Button Cell Battery, L626 batteries, LR66, LR66, 377, 377, 177, 565, GP377, SR626, SR626, SR66, and V377, are designed with stable manganese dioxide as the positive electrode material and high-quality zinc metal as the negative electrode material.

These batteries offer several benefits:

1. Long-Lasting and High Capacity: They provide reliable and long-lasting power, with a rated capacity of 25mAh.
2. Stable Voltage: The stable voltage of 1.55 volts can effectively protect electronic equipment.
3. Low Self-discharge Rate: They have a low self-discharge rate and good storage performance, with a validity period of up to 4 years.
4. Leakproof Technology: The unique U-shaped sealed steel shell structure effectively prevents liquid leakage.

These AG4 button batteries are widely used in various electronic devices, including laser pointers, clocks, watches, calculators, computers, cameras, digital cameras, PDAs, remote controls, camcorders, digital voice recorders, toys, and blood glucose meters, among hundreds of other products.

Importantly, these batteries are mercury-free and environmentally friendly. However, they should be kept away from children, as they can pose a choking hazard if swallowed. Additionally, the batteries should not be stacked together, as this can cause a short circuit and affect their lifespan. It is also crucial to keep the batteries away from fire and store them in a cool, dry, and dark place.

In terms of customer reviews, the AG4 button batteries have received an average rating of 4.5 out of 5 stars based on 77 reviews, with customers praising their long-lasting performance and reliable power delivery.

Cotchear offers a range of other button battery products, including AG1 / LR621 / 364, AG3 / LR41 / 392, AG10 / LR1130 / 389, AG13 / LR44 / 357, CR2032, and CR2450, all of which are available for purchase on the company's website.

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