Must Confirm 3 factors Before Purchase: this 3.7 V 1200mAh LiPo is not universal; verify 1. size 30.5 x 50 x 8.3mm(WxLxH); 2. connector model: JST-PHR, pitch 2 mm; 3. polarity (+/-) alignment; check red/black wires. Wrong polarity=short circuit.
PCM Safety and Certifications: built-in PCM protection against overcharge, over-discharge, over-current, and short circuit; UL, IEC62133-2 certified, and UN38.3 compliant for safe air and sea shipping.
Storage Guide: keep at 40%-60% charge during long-term storage; recharge every 3 months to maintain 3.7-4.0 V; store in a cool and dry place (below 25°C) to maximize lifespan.
Wide Compatibility: suitable for Bluetooth speakers, dash cams, keyboards/mice, Wi-Fi smart home, PDA, GPS, digital cameras, e-books, trackers, telematics, sleep monitors and IoT devices.