Voltage: 18V Capacity: 4000mAh Type: Samsung 18650 Li-ion

Replacement for Panasonic battery: EY9L50 EZ9L50 FMC688L EY9L51 EY9L54

Fit for Panasonic Tools: EZ7450 EZ7550 EZ7551 EZ7950

No memory effect, High energy density, High working voltage for single battery cells;

Money back guaranteed within 14 days from the date of purchased,12 month warranty for any quality issues