LISHEN 21700 4500MAH 12A FLAT TOP BATTERY The Lishen LR2170SA 12A 4500mah battery delivers exceptional capacity with mid-range power at a very affordable price. The LR2170SA is a great value for pack builders looking to maximize run time on a budget. Priced per battery, not per pair. 4500mAh High Discharge Flat Top LISHEN LR2170SF 21700 4500MAH SPECIFICATIONS: Size: 21700 Approximate Diameter: 21.7mm +/- 0.2mm Approximate Length: 70.9mm +/- 0.2mm Brand: Lishen Manufacturer Rated Nominal Capacity: 4500mAh Manufacturer Rated Minimum Capacity: 4400mAh Manufacturer Rated Max Discharge Current: 13.5A Nominal Voltage: 3.6V Peak Voltage: 4.2V Protected: NO Style: Flat Top Color: Orange Origin: China WARNING: The user must have an appropriate understanding of lithium-ion batteries before purchase. Use caution when working with and using lithium-ion batteries as they are very sensitive to charging characteristics and may explode, burn, or cause a fire if misused or mishandled. Always charge in or on a fire-proof surface. Never leave batteries charging unattended. This battery is sold for the use of system integrations with proper protection circuitry or battery packs with a battery management system or PCB (circuit board/module). The buyer is responsible for any damage or injury caused by misuse or mishandling of lithium-ion batteries and chargers. Charge only with a smart charger designed for this specific type of lithium-ion battery. Misusing or mishandling lithium-ion batteries can pose a SERIOUS RISK of personal injury, property damage, or death BATTERIES MAY EXPLODE, BURN, OR CAUSE A FIRE IF MISUSED OR MISHANDLED ONLY use with proper protection circuitry ONLY use within manufacturer specification DO NOT store loose in pocket, purse, etc. – always use a protective case KEEP AWAY from metal objects to prevent short-circuiting DO NOT short circuit DO NOT use if wrapper or insulator is damaged or torn DO NOT use if damaged in any way DO NOT overcharge or over-discharge DO NOT modify, disassemble, puncture, cut, crush, or incinerate DO NOT expose to liquids or high temperatures DO NOT solder User must be familiar with handling lithium-ion batteries before purchase Usage of batteries is AT YOUR OWN RISK Local regulations and laws pertaining to the recycling and disposal of lithium-ion batteries vary so please consult your local jurisdiction regarding appropriate disposal. Many retail stores offer free recycling of rechargeable batteries. Please note: Due to the nature of this consumable product, no returns are allowed unless the product is defective upon shipping receipt.