XTAR AAA 1.5V 1620mWh Lithium Rechargeable Battery (Pack of 4)The XTAR AAA 1. 5V 1620mWh Lithium Rechargeable Battery is a next generation power solution built for devices that demand stable, high output performance. Unlike standard NiMH batteries, these deliver a constant 1. 5V output, ensuring consistent operation in high drain electronics like hearing protection, trail cameras and field gear. With fast charging, long cycle life and built in protection, this is a reliable upgrade over traditional disposable or