VOLTAGE: 18V LI-ION
NOMINAL CAPACITY: 4.0AH
BATTERY CELL: JIANSU SUNPOWER-2000MAH/10C
CELL QUANTITY:10PCS
MAX. CHARGE CURRENT:7.5A
MAX OUT PUT CURRENT:60A
STANDARD 2.2A CHARGING CURRENT-YT-828498, 120 MINUTES TO FULL CHARGE 
FAST 4.5A CHARGING CURRENT-YT-828500, 58 MINUTES TO FULL CHARGE 
STANDARD 7.5A CHARGING CURRENT-YT-828502, 36 MINUTES TO FULL CHARGE 
COMMUNICATION MODE:27K IDENTIFICATION RESISTOR;
CHARGING AND CAPACITY INDICATOR
WITH BALANCE VOLTAGE TECHNOLOGY;
CURRENT-CARRYING REEDS OF SOCKET ARE PUT ARC EXTINGUISHED GREASE ON;
HIGH-STRENGTH HIGH TEMPERATURE RESISTANCE ENGINEERING PLASTIC 
HOUSING;
 PCB BOARD IS SPRAYED WITH ORGANOSILICON 3-PROOFING PAINT,