The Molicel 21700 P45B 4500mAh 45A Battery is a powerful and reliable battery that packs a punch. With a high discharge current and exceptional cycle life, this battery is perfect for those looking for a long-lasting and high-performing option. Designed for ultra-high power, this battery operates smoothly even in low temperatures down to -40°C. Its high thermal stability and low impedance ensure stable and efficient performance, while the fast charge capability allows for quick and convenient recharging. Measuring approximately 21.55mm x 70.15mm (Max), this 21700-sized battery is compact yet powerful. It features a flat top positive terminal and a nominal voltage of 3.6V, with a maximum voltage of 4.2V and a discharge cut-off voltage of 2.5V. This rechargeable battery weighs approximately 70g (Max) and is commonly known as the INR-21700-P45B. It is important to note that lithium-ion batteries require careful handling, and users should have a good understanding of their characteristics and safety precautions before purchase. Always charge them in a fire-proof surface and never leave them unattended during charging. Molicel Ultra-High Power Cell Series High Discharge current Exceptional cycle life Low temperature operation down to -40°C High thermal stability, high reliability Very low impedance Fast Charge   Specifications: Manufacturer Molicel Model P45B Size 21700 Positive Terminal Flat Top Nominal Capacity 4500mAh Continuous Discharge Rating (max) 45A (80C Temp cut-off) Nominal Voltage 3.6V Maximum Voltage 4.2V Discharge cut-off Voltage 2.5V Protected No Rechargeable Yes Approx. Dimensions 21.55mm x 70.15mm (Max) Approx. Weight 70g (Max) Country of Origin Canada or Taiwan Associated Names INR-21700-P45B Data Specification Sheet Molicel P45B Datasheet   WARNING: The user must have 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. Buyer is responsible for any damage or injury caused by misuse or mishandling lithium ion batteries and chargers. No express or implied guarantee of compatibility with any device can be made. Charge only with a smart charger designed for this specific type of lithium ion battery. Do not mix and match old and new, used and unused batteries.   DO NOT USE WITH E-CIGARETTE, VAPORIZER, OR SIMILAR DEVICE 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 CIRCUITRY IN A PROTECTED BATTERY PACK ONLY USE WITHIN MANUFACTURER LISTED SPECIFICATIONS DO NOT STORE LOOSE BATTERY IN A POCKET, PURSE ETC. - ALWAYS USE A PROTECTIVE CASE OR BOX 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, spot weld only User must be familiar with handling lithium ion batteries before purchase Usage of batteries is AT YOUR OWN RISK ALWAYS charge in or on a fire-proof surface and never leave charging batteries unattended RESELLERS MUST FORWARD ALL WARNINGS TO ALL CUSTOMERS FOR THEIR REFERENCE AND SAFETY