The Powerology AA 2-Pack USB-C Rechargeable Batteries (Model: PWAA322) are high-capacity (3200mWh) lithium-ion batteries featuring a built-in USB-C port for direct, fast charging in approximately 2 hours. Operating at a stable 1.5V, these eco-friendly, white/blue batteries are ideal for high-drain devices, operating in temperatures from -20°C to 60°C