AKTTKA 8 Pack Rechargeable AA AAA Batteries, 1.5V Lithium 4070mWh Capacity

4070mWh High Capacity — Up to 40% Longer Runtime：AKTTKA AA rechargeable batteries deliver 4070mWh and AAA batteries 1100mWh — high-capacity lithium batteries designed for extended use. Enjoy up to 40% longer runtime than standard rechargeable batteries in high-drain devices, including Xbox controllers, smart door locks, and flashlights. A single full charge lasts for months, keeping your essential devices ready when you need them. USB-C Direct Charging — LED Indicator：Forget bulky charging docks. Simply plug the included 1-to-4 USB-C charging cable directly into each lithium battery — charge 4 batteries simultaneously from USB-C adapter, power bank, or laptop. The built-in LED indicator shows green flashing while charging and solid green when fully charged, so you know your battery status at a glance. No extra clutter — just plug in and power up, ideal for home and travel. 1.5V Constant Voltage — Steady Power Performance: Unlike 1.2V NiMH rechargeable batteries that may cause dimming, lag, and device malfunction, AKTTKA 1.5V lithium batteries maintain a steady 1.5V output throughout the discharge cycle. Your devices perform at their best with consistent power delivery — bright flashlights, responsive gaming controllers, and accurate smart home sensors. Consistent voltage, consistent performance. 4AA + 4AAA Combo — One Pack, Multiple Devices: A versatile combo pack for everyday needs. 4 × AA batteries for Game Controller, Smart Lock, Ear Thermometer and Wireless Mouse, plus 4 × AAA batteries for Remote controls, Body Fat Scale, Infrared Thermometer, and Blood Glucose Monitor. One purchase powers a wide range of household devices — great value versus buying separate AA and AAA packs. Ideal for households, offices, and gifting. 6-Layer Safety Protection — environmental protection choice: Advanced protection against over-charge, over-discharge, over-current, short-circuit, over-voltage, and over-heating. Each AKTTKA rechargeable battery lasts up to 500+ charge cycles — replacing hundreds of disposable batteries and saving you money whilst reducing landfill waste. Safe, economical, and environmentally responsible — a smart choice for your home and our planet.