30W-6M ( LiFePo4 Battery ) 30W-6M ( LiFePo4 Battery ) Up :60W-8M ( LiFePo4 Battery ) Next :30W ~ 100W ( 6M ~ 10M ) Relation Item 30W ~ 100W ( 6M ~ 10M ) 30W-6M ( LiFePo4 Battery ) 60W-8M ( LiFePo4 Battery ) Some Projects for reference