EEMB Lithium Polymer Battery 3.7V 900mAh 603048LC Lipo Rechargeable Pack with wire JST Connector-confirm device & connector polarity before purchase

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: 900mAh, Min capacity: 810mAh; Weight: approximate 18g; Size: 6.3 x 30.5 x 50mm (WxLxH) RELIABLE PERFORMANCE—No leaking, excellent cost performance and long cycle life. PCM protection function: over charge, over discharge, over current, short circuit protection CERTIFICATIONS—UN 38.3 compliant. 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.