Rechargeable AA Batteries Lithium,4 Pack 1.5V Constant Output Li-ion AA Battery 3900mWh High Capacity 2000+ Cycles Rechargeable Double A Batteries for Smoke Alarms,Emergency Radios and Outdoor Device

AA Battery Rechargeable SpecificationsEngineered with high-density ternary Li-ion cells, these household batteries deliver an exceptional 3900mWh of energy. Enjoy a constant 1.5V output with zero performance drop throughout the entire discharge cycle. These pilas recargables aa adopt advanced leak-proof sealing technology which prevents leakage for 10 years under normal use. Plus, lithium aa are built to last with up to 2, 000 recharge cycles.
All-Weather Performance & 30% Lighter WeightThese lithium rechargeable aa batteries operate reliably in temperatures ranging from -40°F to 140°F, so outdoor temperatures will not affect battery performance or disrupt device operation. These aa battery pack are also approximately 30% lighter than standard alkaline aa batteries, helping reduce carrying weight during outdoor work
Wide Application RangeThis blink camera batteries supports 6A high-current pulse discharge, covering all scenarios from high to low power consumption, with an operating temperature range of -40°C to 65°C. These rechargeable battery are compatible with flashlights, toys, remote controls, alarm systems, high-drain digital devices, high-tech equipment, Blink cameras, smart locks, security alarm systems, gaming controllers, wireless mice and keyboards, outdoor lights, wall lanterns, solar post lights, dog collar meter sensors, movement monitors, home security systems, wall clocks, hygrometers, electronic scales, smart meters, and more
Smart Protection ICEquipped with an intelligent power management chip (hardware + software), this batteries rechargeable offers advanced overcharge, overcurrent, overvoltage, and short circuit protection, resulting in extended cycle life and enhanced safety
2000 Cycles, Save Money and the EnvironmentFor high-drain devices like high-power flashlights, VR gaming controllers, smart locks, pet sensors, and outdoor security cameras, ordinary batteries may need replacement every few months. This double aa batteries, however, supports over 2, 000 recharge cycles. One battery does the job of 2, 000 disposables. Plus, it is mercury-free and cadmium-free, offering an eco-friendly and economical solution