Secondary battery -40℃ Li-Polymer Lithium BA

We handle EEMB's 3.7V high-capacity lithium polymer batteries (Li-Po). With high energy density, they can secure a lot of power even in limited spaces, and their thin and lightweight pouch structure enhances design flexibility for devices. In addition to our standard lineup, we also accommodate custom dimensions and shapes, as well as custom designs for battery packs. 【Applications】 - Smartphones, tablets - Medical devices, card readers - Control devices, smartwatches - Power tools, IoT devices, etc. The nominal voltage is 3.7V. We have obtained various safety standards and certifications such as UN38.3 (transport), IEC/EN62133, UL1642, PSE, CE, KC, ISO9001/14001, and REACH (the applicable scope varies by product). If you let us know your intended use and environment, we can suggest specifications that meet your requirements.

We have published a technical column titled "Differentiating Between Primary and Secondary Batteries" (A4, 4 pages, with illustrations). When choosing batteries, it is common to think that "being rechargeable is better," but what really matters in practice is whether to maintain the equipment through replacement or through recharging. This document organizes the differences between the two based on the direction of the reaction and summarizes a method for selecting based on application. [Contents] - Quick reference table of differences (charging/maintenance methods/amount of electricity lost during storage, etc.) - Selection method based on reverse lookup from applications (not used for long periods/daily charging/large current needed for short durations/difficult to replace when integrated) - Three common decision points that can cause confusion on-site and three frequent mistakes - Five items to check during selection (operating environment/current output/transportation and labeling regulations, etc.) This document organizes the general trends by type. Since specific specifications vary by product, please let us know your application and usage environment, and we will assist you in consulting on part numbers that meet your conditions.