Hähnel Battery Extreme Sony HLX-XZ100 / NP-FZ100 Setting a new quality standard in portable power, the hähnel Extreme li-Ion batteries deliver additional capacity, extra performance, supreme durability & ultimate reliability. We have pushed the boundries with these new batteries & firmly believe that the are the very best quality that money can buy.Each battery is injected with silicone giving them a very tough, shock absorbing construction with superior circuit protection & additional electrical insulation.We have carefully selected the best UL approved cells to ensure an extended life cycle, performance & safety. The hähnel Extreme li-ion batteries are built to withstand the tough environments professional & semi professional photographers face when used in extreme field conditions.Using the HLX-Z100 as an example, recent tests showed that the hähnel battery produced an additional 6% more shots than the original FX-100! Hähnel Extreme li-ion batteries not only match the originals but surpass them in performance, durability AND quality. Features & Benefits EXTRA durability in extreme conditions Best UL approved Li-ion cells to ensure extended life cycle, performance & safety. High energy density ratio Good voltage stability offering longer camera running time Capable of more than 500 charge/discharge cycles TOUGH - batteries can be subjected to extreme shock without cracking the housing or causing electrical damage Hähnel Extreme HLX-XZ100 for Sony Digital Cameras Capacity 7.2V, 2400mAh, 17.3Wh Lithium Ion Replacement for Sony FZ-100