Just check coupons out (with price alert and history). Do you want to know what the best price is?
Solar panel: 5V 0.55W, Battery: 3.7V 1200mAh 18650 battery (built-in), Lumen: 22 – 24LM per LED bead, Color temperature: 5000 – 5500K
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Price history and price alert
Price history (for all/most countries) for 20 LED Motion Sensor Solar Light 4pcs is here.
Price records source(s): Gearbest
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You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).