Thumb Score: +24

Kakanuo via Amazon [amazon.com] has 2-Pk Kakanuo 5000mAH Cordless Rechargeable Table Lamps (Black) for $19.99 – 50% at checkout = $10.
Shipping is free with Prime or on $35+ orders.

Price
$14.19 lower (59% savings) than the list price of $24.19
$1.19 lower (11% savings) than the previous price of $11.19