Genuine Samsung INR18650-30Q 3000 mAh Batteries are a pretty new cutting edge battery cell from Korea that can handle some really high current.

IMPORTANT: Use caution when working with Li-ion cells, they are very sensitive to charging characteristics and may explode or burn if mishandled. Make sure the user has enough knowledge of Li-Ion rechargeable batteries in charging, discharging and assembly before use. Always charge in or on a fire-proof surface. Never leave charging batteries unattended. We will not be held responsible for damage if there is any modification of the batteries/chargers in any form. We are not responsible for any damage caused by misuse or mishandling of Li-Ion batteries and chargers Never completely discharge battery (below 2.5V under load or 3.0V unloaded) Charge Fully (to 4.2V) before first use Use only proper battery chargers that’s designed for 18650 type of battery Do not expose to heat / sunlight Do not connect the positive contact to the negative contact without an appropriate load Be aware of the current limits in the specification and never exceed the number Never keep a spare battery loose in a pocket, purse, backpack, or etc… Always use proper case for loose batteries. If it shorts against a piece of metallic material, it can be dangerous Never charge the battery up to 4.3V or above Do not charge unattended Do not keep your li-ion batteries fully charged for an extended period of time (more than weeks) If you must store the battery then leave it in a proper case / box in a cool & dry place at around 3.6V to 3.7V Never try to charge or discharge li-ion battery with battery charger that is not made for Li-ion battery Specs: Style: Flat Top Chemistry: INR Capacity: 3000mAh Voltage 3.60v Charge Voltage 4.20v ±0.05v Discharge Cutoff voltage: 2.50v Standard Charge: 1.5A, Rapid Charge 4A Max continuous discharge current: 15A Dimensions and Weight: 65 x 18.3mm, 48g Package Includes: 2 Pcs of Samsung INR18650-30Q Batteries and a case