MARSTEK Ultra Rechargeable Li-ion AA Battery Kit 1.5V (3900mWh) with Smart Charging Case
The MARSTEK Ultra Rechargeable Li-ion AA battery kit is designed for users who demand powerful performance, stable energy output and long-lasting reliability in a premium rechargeable solution. Featuring constant 1.5V output, high discharge capability and an intelligent charging case, these lithium-ion batteries deliver consistent power for a wide range of electronic devices.
With a capacity of 3900mWh, these AA batteries provide extended runtime without voltage drop, ensuring optimal performance for cameras, gaming controllers, toys, remote controls and other high-demand devices.
Constant 1.5V output for consistent performance
Unlike traditional rechargeable batteries, MARSTEK lithium-ion AA batteries maintain a stable 1.5V output throughout the discharge cycle, preventing performance loss and compatibility issues.
High capacity and long lifespan
With up to 1500 charging cycles and approximately 80% capacity retention after three years, this battery kit offers a durable and cost-effective alternative to disposable batteries.
Smart charging case with fast charging technology
The included 3-in-1 smart charging case allows simultaneous charging of multiple batteries while keeping them organized and protected. Fast charging technology enables quicker charging compared to traditional NiMH batteries without memory effect.
Reliable performance in cold environments
Designed to operate down to -20°C, these batteries ensure reliable power delivery even in cold conditions.
Advanced safety protection
Integrated Battery Management System (BMS) protects against overcharging, overheating and short circuits. Leak-proof and explosion-resistant construction enhances safety.
