... chargers Body Size: 238mm*100mm*22mmSolar Panel : 18V/120mA Li-ion Battery Capacity:4200mAH Input volt/current : AC/DC 12.6V 1500mA ... current and over-charging/recharging;6. Long working life, Li-ion battery replaced available;Fuction:stability, intelligence, portability,reliabity, usability , environmental protection ...