Rechargeable flashlights with plastic enclosures are often cheaper long LED flashlights that use lead-acid batteries. This flashlight lamp from five to more than twenty different, and also comes with a capacitor buck charger, charging is also convenient. Such plastic shell rechargeable LED flashlight, the price is generally not high. This type of flashlight condenser effect is not very good, but the overall brightness is good, the main disadvantage of the lead-acid batteries used to be charged often to make the battery will not fail early; even if the maintenance is better, this type of lead-acid batteries can only use a year More will fail. This flashlight is a lead-acid battery and flashlight made of one structure, failure is generally not easy to replace.