XtremeGuard takes 85% off sitewide via coupon code "PERFECT85OFF". Plus, all orders qualify for free shipping. That's tied with last week's mention as the best sitewide, no-minimum percent-off discount we've seen from Xtreme Guard this year.
LG offers an LG G3 Battery and Battery Charging Cradle for $0 with the purchase of any LG G3 smartphone via this rebate. (You can submit by mail or online; the items will be shipped to you upon submission.) That's $85 under the cost of these items sold separately elsewhere. Note that some exclusions apply, including used or refurbished models. The phone must be purchased by September 22, and the rebate expires October 6.
iOttie via Amazon offers Prime members the iOttie RapidVolt Dual USB Car Charger in White or Black for $7.50 with free shipping. (Non-members can spend $35 or more for free shipping; otherwise, it adds $5.01.) That's the lowest total price we could find by $4. It features a green LED power indicator, 2.5-amp output per port, and Smart Charging (to stop charging when battery is full).
Update: Both models are now available for free shipping without the need for a Prime account.
Meritline offers the iOttie Easy Flex Qi Cell Phone Car Mount in Black for $69.95. Coupon code "MLCD08TN" cuts it to $49.99. With free shipping, that's the lowest total price we could find by $5. It features Qi charging capabilities compatible with Qi-equipped phones like Google Nexus 5 and 4, Samsung Galaxy S4 and S3, and Nokia Lumia 920 and 928. It holds phones with a minimum width of 2.6" and a maximum of 3.4".
Gearsity via eBay offers this Leather Wallet Folio Case for Samsung Galaxy S4 in Black/Tan, model no. GT-i9500, for $6.99 with free shipping. That's tied with our July mention and the lowest total price we could find for such a case by $4. It features a magnetic flap closure and four card slots.
Tanga offers the iCreation Bluetooth Handset Dock with Cordless DECT Phone for Samsung Galaxy, model no. G700, for $37.99 plus $1.99 for shipping. That's within pennies of our mention from two weeks ago and the lowest total price we could find by $90. The dock links your Galaxy smartphone with the cordless phone, letting you alternate calls between your cordless landline and your cell phone. It requires two AAA batteries (included).