Olight O’Pen 3 EDC Pen with Tip and Clip Lights and Green Laser Pointer Color:Black this is a 21700 rechargeable

this is a 21700 rechargeable battery from Nitecore called the NL2142LTP with a respectable 4200mAh energy storage capacity

but punches well above its weight when it comes to performance

29 oz - 40% lighter than conventional powerbanks

switch to the auxiliary red light to protect your night vision or as a long lasting signal light

5-Inch blade

Olight O’Pen 3 EDC Pen with Tip and Clip Lights and Green Laser Pointer Color:Black this is a 21700 rechargeableThe OPen 3 is a precision writing instrument enhanced with multiple illumination and presentation tools, designed for professionals who write, inspect, and present in their day to day life. The Olight OPen 3 integrates light exactly where its needed without compromising balance, comfort, or writing performance. At its core is the pen tip light, which softly illuminates the page at the point of contact, allowing smooth, glare free writing in dim rooms,