Universal usability for all Power X-Change batteries: save money, protect the environment, and enjoy flexible extended working time with more power using 2x 18V batteries. The process-controlled battery management system (ABS) ensures maximum safety, optimum performance, operating time, and service life. Experience free cordless operation with no tangled cables. High-quality Li-Ion cells provide no memory effect, low self-discharge, and high, constant power. The 3-stage LED display shows the current charge status. The trough handle allows for easy removal. The housing is protected against dust, corrosion, and mechanical damage, making it suitable for TWIN-PACK use in power-intensive 36 V applications.