About product:

• High-quality and good additional battery for HYCHIKA Tools.
• Large capacity type: Li-ion, voltage: 18V (EU) / 20V (US) , capacity: 4000 mAh.
• Long service life (charging and discharge times ≥ 250 cycles, capacity ≥ 85%).
• Safety: the battery has charge, discharge, and temperature protection, which can protect the system, offers a high safety performance, and complies with international standards.
• Use: must be used with Hychika models and chargers