XINYIHANG 4-Slot USB Smart Charger for AA/AAA Ni-MH Rechargeable Batteries Fast Charging Auto Stop Multi-Protection

4-slot USB charger matched with AAA rechargeable batteries, practical household battery set.Adopts Ni-MH cell, 1.2V standard voltage, 700mAh capacity, reusable and cost-effective.Independent 4-slot charging, compatible with AA and AAA batteries, support single battery charging.Auto power off when fully charged, equipped with overvoltage, overcurrent and overheat protection, safe and reliable.Universal USB port, compatible with computer, power bank and socket for easy charging.Flame retardant shell with good heat dissipation, durable. Suitable for remote control, toy, mouse, electronic scale and other daily devices.