2 Pack Motion Sensor Solar Powered Security 6 LED Landscape Light
May not be the cheapest ones but these have 6 LEDs 300LM vs 4xLED 200LM on most others. Plus a motion sensor if you need it, also battery is 2200mAh vs 1800-2000 on majority of other lights. It's a Lithium battery does not degrade that much and better for partial charges, mine holds through the night after a nice sunny day.
Final price: $25.83
It's a 2-pack