Newegg Premier Members: 2-Pack Battery-Powered 12ct Heart-Shaped String Lights for $1.63 + Free Shipping

via Newegg
Note: Shipping is free for Premier Members only, otherwise shipping is ~$11.85.
2-Pack Battery-Powered 12ct Heart-Shaped String Lights $1.63
Requires 4 AA Batteries (2 per string)