SOME AVAILABLE SOLAR PANELS
	Weight (lb.)	L × W (in.)	Output	Price	Supplier
#1	1.5	12 × 13	0.30 A × 20 V	$140	Backwoods Electric
#2	1.0	10 × 20	0.40 A × 20 V	$110	West Marine
#3	1.4	10 × 16	0.40 A × 14 V	$105	Lotus Energy
#4	1.0	10 × 20	0.40 A × 20 V	$100	West Marine
Of course, #3 can't charge two 8-V batteries in series. But OK.