EEMB Lithium Polymer Battery 3.7V 1800mAh 103450 Lipo Rechargeable Pack with wire JST connector confirm device & polarity before purchase

Please make sure the polarity of the device matches the connector of the battery pack before you buy it!!!—1. Battery size; 2. Connector model; 3. Connector size; ¡4. Connector polarity - This is not universal!!! (If the polarity of the battery connector does not match the device, it may cause a short circuit.) BASIC INFORMATION—Voltage:3.7V; Typical capacity: 1800mAh, Minimum capacity: 1580mAh; Weight: approx.36g; Size:34.5 x 52 x 11mm(WxLxH) RELIABLE PERFORMANCE—no leakage, high quality/price ratio, long service life. PCM protection function: overcharge, over discharge, over current, short circuit protection. CERTIFICATIONS—A 38.3. Over 400 eemb batteries are UL certified. Search "MH20555" in the UL to get all authentication information eemb ul / Quality Services - If you have any questions or concerns about the product, please contact us via Amazon Info. We will reply you within 24 hours. STORAGE & APPLICATION—During a long storage period, keep the battery in a state of charge of 40% - 60%. We recommend charging the battery every 3 months after receiving it and maintaining the voltage between 3.7 and 4.0v. Store the battery in a cool, dry place. Suitable for Bluetooth speakers, tachograph, keyboard and mouse, smart home system with support WI-FI, PDA and digital camera, GPS, monitoring unit, e-book, tracking device.