ECO-WORTHY 10w 20w 30w 50w Solar Panel Kit for 12V Battery Charging

Package include:
1pcs 20w poly solar panel with 1m cable solar panel&
1pcs 3A 12V/24V solar charge controller&
2m extension cable with battery clips

Specification
Related power: 20W
Voc: 21.6V
Vop: 18V
Short circuit current (Isc): 1.22A
Working current (Iop): 1.11A
Output Tolerance: ±3%
Temperate coefficient of Isc: (010+/- 0.01)%/ ?
Temperate coefficient of Voc: - (0.38 +/-0.01)%/ ?
Temperate coefficient of power Voc: -0.47%/?
Temperature range: -40?to +80?
Frame: Heavy duty aluminum
Kind of connection: waterproof junction box, can be customized
Guarantee of power: 90% within 10 years 80% within 25 years
Kind of glass and its thickness: Low Iron, high transparency tempered glass of 3.2mm
SLA Battery Voltage:12V
Dimensions (L x W x H)mm:337 ×204 x 18