From a long-term safety standpoint, charging in pairs can hurt battery life. Because even if you use the same brand of rechargeable batteries, there will always be some differences in their capacity. When you charge two batteries of different capacities, the battery with the lower capacity will end up being overcharged, which further reduces its capacity and quality over time. ----- So what can be done to prevent these problems?

Dlyfull U8 black aa aaa battery charger is your best choice! ! !

Main Features:

★ U8 Charge any number of AA AAA rechargeable batteries, No need to pair. to make your charging easier and extend battery lifespan.
★ Suitable for 1.2V Ni-MH/Cd AA AAA rechargeable battery.
★ Type-C interface input, using constant voltage charging, stable and safe performance, easy to use.
★ Red and green dual-color LED indicates charging status, intuitive to use and easy to identify.
★ It has intelligent protection systems such as short circuit, bad battery, low voltage activation failure, alkaline battery identification, etc.
★ Certification information: CE, ROHS, FCC

What is Included：
1x Dlyfull U8-Black 8 Bay AA AAA Battery Charger
1x Cable
1x User Manual