Power X-Change Plus 18V 5.2Ah Power Tool Battery - 

The Einhell 18V 5.2 Ah P-X-C Plus rechargeable battery features advanced li-ion technology for even higher performance, even more power and operating time. The system can be used for all the products from the PXC system series. Max. safety is ensured by the proactive battery management system from Einhell. The charging cycles are adjusted to the specific situation, so the battery has a much longer service life. All key parameters are monitored by state-of-the-art components. The high-quality Li-ion cells are resistant to the self-discharging normally associated with batteries. There is a three-step LED charge status indicator. The rubber-coated housing provides excellent impact protection and recessed handles enable ergonomic handling.