AAA Lithium Battery ICR 10440 Batteries 3.7 Volt 10440 Rechargeable Battery for Doorbells, Headlamps, Flashlights & More 4 Count Pack of 1

The ICR10440 Rechargeable Batteries are receiving positive feedback for their performance across various applications, especially for devices like flashlights and solar lights. Users appreciate the long-lasting charge and reliability these lithium-ion batteries provide. Many customers have reported successful use in specific devices, resulting in a renewed function for items like solar lights that had previously stopped working. However, there is a crucial note of caution: these batteries should not be confused with standard AAA batteries. Their higher voltage of 3.7V compared to the typical 1.5V of AAA batteries means they can cause damage if improperly used. This has been emphasized by several users, prompting them to remind potential buyers to double-check compatibility with their devices. Overall, the feedback on these batteries is overwhelmingly positive, with users expressing satisfaction regarding their longevity and performance. Those who are aware of their specific applications find them to be highly effective. On the other hand, some users have mentioned varying degrees of performance in devices not designed specifically for these batteries. **