3.7V 4000mAh Low Temperature Battery -40℃ Discharge Performance for Handheld Navigation Devices, engineered with advanced low-temperature lithium polymer technology to deliver reliable power in extreme cold environments. Ideal for military, outdoor, and industrial navigation equipment, this lightweight (90g), high-capacity battery ensures stable operation at -40°C with over 60% discharge efficiency. Featuring robust protection mechanisms including overcharge, over-discharge, short circuit, and temperature control, it guarantees safety and durability. With a compact design (63*42.5*15mm Max) and PVC casing, it's perfect for portable electronics requiring long-lasting, all-weather performance.More
