EEMB Lithium Polymer Battery 3.7V 600mAh 503042 Lipo Rechargeable Pack with wire JST connector confirm device & polarity before purchase

Basic Info—Voltage: 3.7V; typical capacity: 600mAh, weight: approximate 12g; size: 30.5 x 44 x 5.3mm/1.20"x1.73"x0.2" (WxLxH) Certifications—UN 38.3 compliant and UL certified for cell. Quality Service— We take pride in providing the highest levels of customer satisfaction and we have over 20 years experience in lithium battery business. If you have any questions or concerns regarding our products, please send us a message and we will get back to you promptly. Reliable Performance—No leaking, excellent cost performance and long cycle life. PCM protection function: over charge, over discharge, over current, short circuit protection. Storage and Application—Keep the cells in 40%-60% charged state during long period storage. We recommend to charge the battery every 3 months after receipt of the battery and maintain the voltage 3.7-4.0V. Store battery in cool and dry place.//Suitable for Bluetooth speaker, dash cam, keyboard and mouse, Wi-Fi enabled smart home systems, PDA and digital cameras, GPS, monitoring units, e-books, tracking devices, sleep management equipment, blood oxygen tracking equipment, pulse monitors.