LP103454 Specification Sheet [pdf ] Attention! Please check the size of battery and the polarity of connector carefully before buying the battery. (Please refer to the photos of products ) 103454 Li-Po RECHARGEABLE BATTERY—Voltage: DC 3.7V; Typical capacity: 2000mAh, Min capacity: 1900mAh; Weight: 40g; Size: 34.5 x 55 x 10.3mm(WxLxH) CERTIFICATIONS—UN 38.3 compliant. More than 400 EEMB batteries are UL certified. Search "MH20555" on UL for all EEMB UL certification information. MANYFACTURER DIRECT— All of our batteries have date-code to guarantee freshness. If you have any question and technical problems, please connect our service team via mail. We will respond to you within 24 hours. RELIABLE PERFORMANCE—No leaking, excellent cost performance and long cycle life. PCM protection function: over charge, over discharge, over current, short circuit protection, over temperature protection. STORAGE—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. And store the battery in cool and dry place. APPLICATION—Suitable for bluetooth speaker, dash cam, keyboard and mouse, Wi-Fi enabled smart home systems, PDA and digital cameras, GPS, monitoring units, notebook computers, e-books, telematics, tracking devices, sleep management equipment, blood oxygen tracking equipment, pulse monitors.