ENEGON Rechargeable AA Lithium Batteries 8-Pack, 1.5V 4070mWh with USB-C Cable Ideal for High-Drain Devices Like Smart Lock,Xbox Controller,Wireless mouse & keyboard,Doorbell, 500+ Charge Cycles.

✔️【Up to 30% Longer Runtime】Boasting 4070mWh high capacity & enhanced energy density, ENEGON AA lithium battery rechargable delivers 30% longer life than most peers, effectively reducing charging and replacement frequency to meet the demand for long-term stable use. ✔️【No Dedicated Charger Needed】Included 1-to-4 USB-C cable charges 4 batteries at once—no single-battery waiting.Compatible with laptops, car chargers and power banks, it delivers fast, safe and convenient power replenishment for travel, camping and daily needs. ✔️【Powerful Performance】1.5V constant voltage lithium tech delivers non-stop stable power. Voltage stays steady even under heavy load or low battery (15% reminder kicks in) — say goodbye to device slowdowns, keep high-draw tools running at full capacity. ✔️【Cost-Saving & Planet-Friendly】Boasts 500+ charge-discharge cycles, replacing up to 500 disposable batteries each. Compared to regular AA disposables, one battery saves you around £247 — that’s a massive £1976 total for 8 batteries! Cut down long-term expenses drastically while reducing disposable battery waste, lightening environmental impact for a greener, more cost-effective lifestyle. ✔️【Wide Compatibility】Suitable for most everyday devices (thermometers, remotes, wireless mice & keyboards, wireless doorbells), especially, high-drain devices (smart locks, Xbox controllers, game controllers, security cameras, RC cars, GPS, headlamps, flashlights, baby monitors, LED lights). Its stable 1.5V constant voltage works flawlessly with voltage‑sensitive devices (formaldehyde/PM2.5 detectors, kids' electric toys, building set toys, toy vehicles, foam blaster toys) — no performance drop or failure vs. 1.2V Ni‑MH batteries. Perfect for home, outdoor & professional use. ✔️【Pro-Safety & Customer Service】6-layer safety protection guards against overcharge, over-discharge, overcurrent, short-circuit, overvoltage & overheating for safe use/charging. 24/7 customer service ensures fast solutions for pre-sales & after-sales needs. prompt solutions are guaranteed for peace of mind.