Product Review

Panasonic 18650 3400mAh NCR18650B 6-PACK battery cell lithium-ion With BONUS 3 Hard-Plastic Cases for easy storage and Transport. Each case can store 2 NCR-18650 batteries. You will receive three cases. Specifications: Capacity (Ah): 3.4 Ah ( 3400mAh) Charging Voltage (V): 4.2 V Energy (Wh): 12.2 Wh Energy Density (Wh/L): 730 Wh/L Nominal Voltage (V): 3.6V-3.7V Weight (g): 46 g Diameter (mm): 18.06 mm (+/- 0.03 mm) Height (mm): 65 mm (+/- 0.03 mm) Max. Discharge rate: C Raing 2C (Maximum recommended current 6.8A) Pulse current (5-6 sec.): 12A Top (positive side): Flat top Model: NCR18650B Made in Japan Made by Panasonic IMPORTANT INFORMATION ABOUT THIS BATTERY: Never completely discharge li-ion battery ( below 2.5V under load ). Charge fully to 4.2V before first use. Never use force to install (insert) li-ion battery. Do not use old and new battery cells together. Use only high quality battery charger. Do not expose to heat. Do not short (connect) positive (top), and negative (bottom) battery terminals (contacts). Keep battery that is not in use in plastic holder (or any insulating [plastic] container). Never charge battery over 4.25V (another reason to use high quality battery charger). Do not charge unattended. Do not use old, and new cells together. Do not store your li-ion batteries fully charged (for extended period of time). Store in cold and dry place at approximately 3.7V (storage charge). After battery is discharged-don't leave it discharged=>charge it as soon as possible. FOLLOW ALL BATTERY SAFETY GUIDELINES