Constantly taking pictures listening to music and texting your friends? Listening to Pandora or Spotify? Watching YouTube and reading your email? All the features included into Smartphones increase the demand on power and draining the battery life. RND Power Solutions Premium battery is a perfect replacement or secondary battery made specifically for your Smartphone. Designed and tested offering premium standard and optimal battery life so you can maximize your usage. RND Power Solutions batteries are CE Certified and go through an extensive quality control process to guarantee performance and reliability. RND Power Solutions batteries are fresh and transported at optimum conditions providing the maximum performance for your smartphone. They are not recycled not reconditioned and not refurbished low quality products. They are not clearance items from retail store that have been aging on the self-reducing battery capacity life. RND Power Solutions Premium Li-Ion Battery for Huawei and Vodafone smartphones is compatible with but not limited to: E5 E5s E5830 E5830s E5832 E5836 E5838 E586 E5331 E5332 and R205. PLEASE feel free to contact us if you have any questions. We will be happy to assist you.