Metabo Battery 18V / 4.0 Ah LiHD 1 pc.

LiHD batteries for ultimate performance and extremely long application with minimal heat generation
Ultra-M Technology: Multifunctional monitoring system for battery protection with a 3-year warranty.
“AIR COOLED” charging technology
Permanent electronic charge protection (ESCP) for longer life.
Processor for controlled charging and discharging management
Ability to check the charging status
No memory effect
Can be combined with all 18V batteries and chargers from CAS: www.cordless-alliance-system.com