Smart Universal Charging​ Auto-detects 1.2V Ni-MH & 1.5V Li-ion AA/AAA batteries with smart IC protection, ensuring 100% safe charging without overvoltage risks. Ideal for mixed-battery households ​40% Extended Runtime​ 8x 3000mWh high-drain lithium AA batteries deliver proven 40% longer power for gaming controllers (Xbox/PS5), Blink security cameras, and 4K video gear – outperforming standard rechargeables ​Military-Grade Durability​ Steel-clad housing withstands 2000+ charge cycles (-20°C to 60°C tolerance), replacing 1,500+ disposable batteries. TSA-compliant 300g design fits in backpacks for travel/outdoor emergencies ​100-Min Rapid Charge​ USB-C input fully recharges all 8 batteries in 1.5hrs. DC 5V/2A tech with auto-adjustment prevents overheating – critical for high-use devices