48v25ah wide working tempature range for e-bike scooter

[ZTTEK BATTERY]: Our electric car batteries are guaranteed to provide sufficient power without incorrect labeling. Choose from a variety of capacities and choose the right one. [Product Features]:1 Their products are assembled with a brand new A product battery and IC protection board. 2. All of our products are not false standards, and the capacity is enough, so you can test it anytime. Most battery packs are assembled with molded nickel sheets and professional battery holders. Before leaving the factory, we have undergone aging testing to strictly control the quality [Quality Assurance]: Our lithium-ion batteries have undergone thousands of times discharge and safety tests. Batteries are 100% balanced in voltage, resistance, and capacity before packaging. This operation has passed ISO 9001, CE,UN38.3 and MSDS certification. Lithium batteries have a high weight to energy ratio and volume-to-energy ratio, so they are lightweight, compact, low self-discharge and c…