Newegg offers the Nyko Modular Controller Charger and Intercooler for PlayStation 4, model no. 743840832218, for $9.99 plus $2.99 for shipping, via the directions below. That's $30 off list and the lowest total price we could find. This kit can charge two Dualshock 4 controllers simultaneously and increases airflow out and away from the system. Deal ends January 12. To get this price:

1. View the Nyko Modular Controller Charger and Intercooler for PS4 for $39.99
2. apply coupon code "EMCAKAN28" to knock it to $19.99
3. redeem this $10 mail-in rebate for a final price of $9.99

Also available is the Nyko Modular Power Station and Media Remote for Xbox One, model no. 743840861218, for $9.99 via coupon code "EMCAKAN29" and a $10 mail-in rebate. With $2.99 for shipping, that's also $30 off list and another low. It includes two rechargeable fuel cells.