The Picotrack Endurance is available in two different versions.
One version is equipped with a primary cell and can transmit messages for more than 5 years. The battery life time is based on 2–3 messages per day. This unit will mainly be used in environments without recharge options.
The second version is equipped with a rechargeable battery. This device will mainly be used for applications with higher tracking frequency and at least occasional option to recharge.