LiPo stands for lithium polymer. This technology generally uses flexible pouch cells. It is valued for its low weight, compact size and performance in embedded applications.

A standard LiPo cell generally has a nominal voltage of approximately 3.7 V. Its maximum charging voltage is often 4.2 V. The exact values must be checked against the specifications of the cell used.

These terms do not describe exactly the same characteristic. NMC primarily refers to a cathode chemistry, whereas LiPo generally refers to lithium battery technology using flexible pouch cells. You can also visit our page on NMC battery technology.

LiPo batteries are often selected when weight, size and power output are critical factors. In comparison, LFP technology places greater emphasis on thermal stability, service life and repeated charge and discharge cycles.

LiPo is particularly suitable when weight, size or power output are important constraints. This technology can be used in drones, robotics, medical equipment, embedded systems and other compact professional applications.

Drones require an energy source capable of delivering high power while keeping weight to a minimum. LiPo technology meets these requirements thanks to its power-to-weight ratio and the high discharge currents available from certain cells.

Certain LiPo cells can deliver high currents. Performance depends on the selected cell model, capacity, discharge rate, protection systems, wiring, connectors and thermal management of the battery pack.

Outdoor use is possible with suitable integration. Temperature, humidity, vibrations, impacts, enclosure sealing and connector protection must all be taken into account.

Battery sizing starts with the equipment’s power consumption and required operating time. A device consuming 200 W for one hour requires approximately 200 Wh of energy. An additional margin should be included to account for losses, peak power requirements and operating conditions.

The C-rate indicates the discharge current relative to the cell’s capacity. The actual limits specified by the manufacturer and the battery pack design must always be respected.

The main parameters include operating voltage, required energy, operating time, continuous current, peak current, charging time, available dimensions, connectors and operating conditions.

The number of cells, capacity, format, connectors, protection systems and mechanical integration can be specified according to the technical and mechanical requirements of the equipment.

The charger must be suitable for the number of cells, their maximum charging voltage and the permitted charging current. An incorrect charging voltage can damage the cells.

A LiPo battery solution must be correctly sized and protected. The cells are sensitive to overcharging, excessive discharge, high temperatures and mechanical damage. Electrical and mechanical protection systems are essential.

Swelling can occur due to ageing, excessive temperature, overcharging, deep discharge or other abnormal operating conditions. A swollen cell must not continue to be used without proper assessment.

Pouch cells must be securely mounted and protected against impacts, punctures and mechanical stress. Enclosure design is an integral part of battery pack development.

The battery pack must be stored according to the cell manufacturer’s recommendations, particularly regarding temperature and state of charge. Extreme temperatures and unsuitable storage conditions should be avoided.

The choice depends on the project’s requirements. LFP prioritises long service life and stability, NMC offers high energy density, while LiPo is particularly suitable when weight, format and power output are critical considerations.

An end-of-life lithium battery must not be disposed of with general waste. It must be directed to an appropriate battery collection and recycling scheme .