Rubberized Retractable Car Charger for Samsung Jitterbug A310 Smart IC chip recognizes a fully charged battery and automatically switches to a saver mode. Samsung Jitterbug A310 can be used during charging. Standard Cigarette Lighter plug fits most automobiles, RVs, boats. Powerful: 12V, 1 A . Short circuit protection. Cable extends to a maximum length of 40'