1 ZITHION-X AAA = 500 SINGLE USE BATTERIES: Each ZITHION-X AAA rechargeable battery replaces up to 500 single-use batteries—cutting waste and saving money. *All alkaline and lithium batteries tested were developed by COAST LONG-LASTING RUNTIMES: Built to perform, with power output designed to mimic alkaline batteries for extended runtimes across a wide range of devices. FAST USB-C CHARGING: Recharge quickly with a USB-C port built right into the battery—average charge time is just 2.5 hours for AA and 1.3 hours for AAA. DEVICE-SAFE PERFORMANCE: ZX Optimized Voltage ensures steady, flicker-free power that prevents overheating and protects sensitive electronics. UNIVERSAL COMPATIBILITY: Engineered for seamless use in everyday devices—no special settings, adapters, or chargers needed. LEAK-RESISTANT DESIGN: Internal safeguards help prevent corrosion and protect your gear during use and storage.