newegg offers its newsletter subscribers the IOGear GearPower Portable Battery, model no. GMP1001B, for $9.99 with free shipping via the directions below. That's tied with our mention from May and the lowest total price we could find by $8. It works with most PDAs, mobile phones, Bluetooth headsets, MP3 players, and other mobile devices. Rebate expires August 22. To get this deal:

1. Add the IOGear GearPower Portable Battery to your cart for $19.99
2. apply coupon code "EMCKBJD83" to cut it to $14.99
3. redeem this $5 mail-in rebate to drop it to $9.99