The Envie Infinite 9V 800 mAh is a Lithium‑ion rechargeable battery featuring a convenient Micro‑USB input port—making it ready to use straight out of the pack. With this single-cell battery, you get approximately 800 mAh of capacity at 9 V. It is ideal for powering devices like smoke detectors, wireless microphones, test instruments, toys, portable gadgets—and even acts as a USB power bank to recharge smartphones and tablets (e.g. can recharge an iPhone about three times or an iPad once).

Engineered with low self-discharge technology, it retains up to 80% charge after 12 months unused. It offers up to 1,000 recharge cycles and supports charging via USB cables, power banks, or standard USB wall adapters—making it both eco-friendly and highly reusable.