300W Off Grid Solar Panel Kits for 12V Charging System in Home Car Boat Caravan

Shot Description

These off-grid solar panel kits include 3pcs 100W poly solar panels, 1pc 20A temperature compensation charge controller with LCD, 15ft extension cable adaptor, 2 pairs Y branch MC4 connector, 3 set Z mounting brackets, 1 pcs 100Ah 12V sealed lead-acid battery for 12-volt charging system in home car boat caravan.


1. Corrosion-resistant aluminum frame for extended outdoor use, allowing the panels to last for decades as well as withstand high winds (2400Pa) and snow loads (5400Pa).
2. Easy Installation with the pre-drilled hole. each solar panel comes with 90cm 12awg cable with MC4 Male/Female quick connectors
3. Basic component for on-grid, off-grid solar panel system, caravan, RV, boat, Greenhouse solar panel system
4. Used for all solar power systems (on-grid and off-grid): homes, boats, businesses, and industrial energy supplementation!
5. 12V 100AH Sealed Lead Acid (SLA) rechargeable maintenance-free battery


100W Poly Solar Panel
Maximum/Peak Voltage(Vmp): 21.6V
Open Circuit Voltage(Voc): 18V
Maximum/Peak Current(Imp): 6.11A
Short circuit current (Isc): 5.55A
Output Tolerance: ±3%
Temperate coefficient of Isc: (0.10+/- 0.01) %/℃
Temperate coefficient of Voc: – (0.38 +/-0.01) %/℃
Temperate coefficient of power Voc: -0.47%/℃
Temperature range: -40℃~+80℃
Frame: Heavy duty aluminum
Kind of glass and its thickness: Low Iron, high transparency tempered glass of 3.2mm
SLA Battery Voltage: 12V
Weight: 20.2 pounds (9.16KG)
Size: 39.3*26.2*1.38in (996*665*35mm)

20A LCD Charge Controller
Rated charge current: 10A, 20A
Rated discharge current: 10A, 20A
USB Output voltage: 5V
Total USB output current: 3A
DC output voltage: 12V
Total DC output current: 2A
Short circuit recovery time: 10s
Open circuit voltage of solar panel: 40V
No load loss: 0.05W
Overvoltage protection: 15V; X2/24V
Float charge voltage: 14V; X2/24V
Discharge recovery voltage: 12V; X2/24V
Over-discharge voltage: 10.5V; X2/24V
Control mode: Software intelligent control
Working temperature: -35℃~+55℃

Normal Voltage: 12V
Rated Capacity(20hr): 100AH
Battery Cell Type: Lead Acid
Battery Dimensions: 330mm x 175mmx190mm(13”*6.9”*7.5”)