battery

Hi, Recently, I wanted to purchase a spare battery for my Olympus OM-D EM10. However, I realized that the official battery costed at least $50, which is not within my budget. Anyone can suggest any third party battery that they think is value for money? Thanks!

Classifieds Type: WTSell Equipment Type: Accessory Brand: Canon Short Description: LP-E6 battery Price (S$): 150 Condition of Item(s): 10 Detailed Description: Clearing off 3 used LP-E6 batteries. Recharge level : 1 full bar and 2 low bar. All original and in excellent condition. Get all 3...