The 40H 1.2 Volt NiMH Button Cell Battery is a reliable and long-lasting rechargeable battery with a capacity of 40mAh. These batteries are perfect for use in solar lights, as well as custom battery packs. With their ability to be recharged 1000 times, these batteries provide years of use and are a cost-effective and eco-friendly alternative to disposable batteries.

Featuring no memory effect and a reliable service life, the 40H Button Cell batteries provide long-lasting performance and can be recharged up to 1000 cycles. They also offer a very long cycle life and rapid battery charge up, making them an ideal choice for those who need reliable and efficient power for their devices.

The 40H Button Cell batteries are also known by their alternate names, including Varta V40H, ASC1125, IEC 40H, and IEC 30H. With a diameter of 11.6mm (0.46") and a height of 5.2mm (0.20"), these batteries are compact and versatile, making them suitable for a wide range of applications.