EEMB Lithium Polymer battery 3.7V 620mAh 852040 Lipo Rechargeable Battery Pack with wire JST Connector-confirm device & connector polarity before purchase

Product description

• Make Sure Device Polarity Matches with Battery Pack Connector Before Purchase!!!-1.Battery Size; 2.Connector Model; 3.Connector Size; 4.Connector Polarity - THIS IS NOT UNIVERSAL!!!
• (It will cause a shortage if the polarity of the battery connector does not match your device.) BASIC INFO—Voltage:3.7V; Typical capacity: 620mAh, Weight: approximate 12g; Size: 20.5 x 42 x 8.8mm/0.81"x1.65"x0.34" (WxLxH) RELIABLE PERFORMANCE—No leaking, excellent cost performance and long cycle life.
• PCM protection function: over charge, over discharge, over current, short circuit protection, over temperature protection.
• CERTIFICATIONS—UN 38.3 compliant. More than 400 EEMB batteries are UL certified.
• Search "MH20555" on UL for all EEMB UL certification information.//MANUFACTURER
• DIRECT— Please contact us if you have any questions or concerns with the product via Amazon message. We will respond to you within 24 hours.
• STORAGE/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,wireless, IoT.