Maxximus Battery Nokia E66 1150mAh Li-Ion BL-4U

Maxximus-brand battery offers the highest performance and increased safety. The innovative use of aluminum can enclosures in combination with the cell construction has allowed greater capacity. Tests confirm that the battery exhibits an average of up to 107% of its rated capacity Q10. Maxximus also provides higher safety. The operating temperature and the voltage level on individual cells are continuously monitored, preventing battery overheating and, as a result, preventing its destruction.