E&J Technology Group designed and produced super long cycle life lithium TITANIUM battery packs 4.8V and 7.2V 0.5Ah for emergency lightings. It is not only have long cycle life more than 8000 cycles, but also the safety are super performance, no fire bu burn when it is short circuit or damaged. 0.5A battery can support 5A discharge continuous. And working temperature range can be -20 degree C to 70 degree C. More details or application custom design requirement, feel free to contact us.