EEMB Lithium Polymer Battery 3.7V 1100mAh 903042 Lipo Rechargeable Pack with wire JST connector confirm device & polarity before purchase

Confirm 3 Factors Before Purchase - This 3.7V 1100mAh LiPo is not universal. Verify size: 9.4 x 30.5 x 44mm, connector: JST-PHR-02 2mm pitch, and polarity alignment (+/-). Wrong polarity may cause short circuit. Check red/black wires vs your device. Wide Compatibility: Compatible with Bluetooth speakers, dash cams, keyboards/mice, Wi-Fi smart home, PDA, GPS, digital cameras, e-books, trackers, telematics, sleep monitors, blood oxygen/pulse oximeters, and IoT devices. Safety Protection: Built-in PCM protection against overcharge, over-discharge, over-current, and short circuit. UL certified and UN38.3 compliant for safe air/sea shipping. Storage Guide: Keep at 40%-60% charge during long-term storage; recharge every 3 months to maintain 3.7-4.0V. Store in cool dry place below 25°C to maximize lifespan. Stable Quality: No leaking, low internal resistance, 500+ cycle life. Reliable rechargeable lithium polymer battery for compact portable electronics.