Newegg discounts a selection of Rosewill Powerbanks and car charges via the mail-in rebates listed below, with prices starting from $2.99. Shipping adds 99 cents. Rebates ends April 22. The deals:

• Rosewill 3.1-amp Dual USB-Car Charger for $2.99 via $7 rebate (low by $4)
• Rosewill CHiC 6,400mAh External Backup Battery Charger in Black for $4.99 via $11 rebate ($25 off)
• Rosewill CHiC 6,400mAh External Backup Battery Charger in White for $4.99 via $13 rebate ($25 off)
• Rosewill Powerbank 11,200mAh External Backup Battery Charger for $4.99 via $15 rebate (low by $16)
• Rosewill Powerbank 13,000mAh External Backup Battery Charger for $5.99 via $14 rebate (pictured, low by $40)