DetailsFeatures : Capacity: 3100mAh Nominal Voltage: 3.70V Standard Charge: Constant current 1250mA, Constant voltage 4.20V, End current(Cut off) 50mA Fast Charge : Constant current 4000mA, Constant voltage 4.20V, End current(Cut off) 100mA Max. Charge Voltage: 4.20VMax. Charge Current: 4000mA Standard Discharge: Constant current 500mA, End voltage(Cut off) 2.5V Fast Discharge: Constant current 10000mA/20000mA, End voltage(Cut off) 2.5V Max. MAX Discharge Current: 40A Weight Approx.: Max. 48.0G Operating Temperature: Charge 0 ~ 50°C, Discharge -20~ 75°C Storage Temperature: 1 month -20 ~ 60°C, 3 months -20 ~45°C, 1 year -20 ~ 20°C Dimension: (D)18.3 + 0.2/-0.3 mm (H) 65.0 ± 0.2 mm Do not over charge, or discharge these 18650 batteries. Use caution to not short these batteries, and never dispose of them in any type of fire. Please note all specs are supplied from the manufacturer and may vary slightly from battery to battery. Use extreme caution and care when working with Li-ion cells. They are very sensitive to charging parameters and may explode or burn is mishandled. Always charge in/on a fireproof surface. Never leave charging batteries unattended. We are not responsible if there is any modification to the batteries or charger in any shape or form. We are not responsible for any damage caused by misuse or mishandling of Li-Ion batteries and or chargers.
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