EEMB Lithium Polymer Battery 3.7V 250mAh 502030RP Rechargeable Lipo with JST Connector for VXI Blue Parrott - Confirm Polarity of Device and Before Purchase

Before purchasing, make sure the polarity of the device matches the connector of the battery pack! ! 1. Battery Size; 2. Connector Model; 3. Connector Size; 4. Connector Polarity and THIS IS NOT UNIVERSAL!!! (It causes a defect if the polarity of the battery connector does not match your device.) Base information: voltage: 3.7 V; typical capacity: 250 mAh, minimum capacity: 230 mAh; weight: approx. 5 g; size: 20.5 x 32 x 5.3 mm (W x L x H) Reliable performance: no leaks, excellent cost performance and long service 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.// QUALITY SERVICE - Please contact us if you have any questions or concerns with the product via Amazon message. We will reply to you within 24 hours. STORAGE AND USE—Keep the cells in 40%-60% charged state during long period storage. We recommend charging the battery every three months after receiving the battery and maintaining the voltage 3.7-4.0V. Store the battery in a cool and dry place.// Suitable for Bluetooth speakers, dash cams, keyboard and mouse, Wi-Fi enabled smart home systems, PDA and digital cameras, GPS, surveillance units, e-books, sleep management devices, blood oxygen tracking devices.