Coast AAA Lithium-Ion AAA Battery, 750mAh, 1.5V - Pack of 4

The Coast Rechargeable lithium batteries change the game in responsible, portable power technology. Advanced engineering provides a comprehensive upgrade compared with other sources of battery power which delivering long lasting run times for a clear performance advantage over standard rechargeable lithium and NiMH batteries. To mimic the broad compatibility of alkaline batteries, proprietary COAST ZX Optimized Voltage allows ZITHION-X batteries to modulate their power supply up or down based on the need and prevent flickering, overheating, and damage to products.

Leak resistant battery casing prevents corrosion
Over charging and discharging protection
Batteries charging level indicator
With a built-in USB C port