[Premium Battery and Charger Pair] - 16*1100mAh 1.2V Ni-MH AAA rechargeable batteries and large capacity battery charger, capable of charging up to 16 Ni-MH AA/AAA rechargeable batteries, comes with an AC wall plug. [Ready to Use & Holds Charge Longer] - Batteries aaa size pack are pre-charged and work right out of the box! They have low self-discharge and can stay powered for up to 1 years in storage—perfect for emergencies or last-minute needs. [Lasts WAY Longer Than Disposable Batteries] - One triple a battery can be recharged up to 1,200 times—saving you hundreds of dollars compared to buying disposable AAAs. Works like a champ in game controllers, flashlights, and smart home gadgets etc. [No need to pair batteries or wait for a full set] - Bonai 16-bay charger lets you charge 1, 5, or 16 Ni-MH AA/AAA rechargeable batteries at once, even mixing AA & AAA! Smart LED indicators (red=charging, green=fully charged, red flashing=wrong /defective /no battery ) make it hassle-free. [Advanced Safety Protection] - Built-in safeguards prevent overcharging, overheating, and short circuits. Works with 110V-240V outlets (no bulky adapter needed) and stays silent while charging—just plug in and go! Bonai Rechargeable AAA Batteries with Charger, 16 Bay Smart Fast Battery Charger with American AC Plug & 1100mAh High Capacity Pre-Charged Low Self-Discharge Leak Proof Triple A Batteries (16 Pack)