4 x lithium batteries AA / R6 Xtar L91 3500mAh Ultra Lithium

XTAR Ultra 3500D – AA 1.5V lithium battery (not rechargeable), is the best choice for security cameras (photo cells), intercoms, weather stations, emergency radios, and outdoor devices. Designed with extreme conditions in mind – capacity of 3500mAh, 10 years shelf life, and reliable operation in temperatures as low as -40°C.

High capacity 3500 mAh

Over 28 months of monitoring

Maintains a constant voltage of 1.5V and offers greater energy density than alkaline batteries, allowing your security system to operate continuously for over two years – you climb the ladder less often to change batteries.

Reliable performance in extreme temperatures

Lithium batteries Xtar Ultra Lithium 3500D AA operate stably in temperature ranges from -40℃ to 60℃, retaining 90% capacity even at -30℃, while alkaline batteries often fail in low temperatures and quickly discharge in high ones.

Up to 10 years shelf life

You can store them for a long time without worrying about performance drop – always ready when you need them.

30% lighter than alkaline batteries

Significantly lighter – ideal for portable and mobile devices.

Compatibility with a wide range of energy-hungry devices

Ideal for equipment that requires long operating times and resistance to extreme temperatures.