... life cycle 5.high quality and competitive price 1. 4v 0.8ah valve regulated sealed lead-acid storage battery2. high quality3. ... operating temperature range8. never leakage of acid,9. lead acid battery for desk lamp, lighting, toy, mini-speaker, flashlight, searchlight ... , emergency light, mosquito...10. we produce various battery for 6v and 4v11. if you have any questions, please ...