Battery offers from Amazon.com

Battery charger; charges AA and AAA batteries simultaneously. 4 separate LCD displays; 4 modes; heat monitor prevents overcharging. Comes with 4 AA and 4 AAA rechargeable batteries. Also includes 4 C- and 4 D-size battery adapters and durable travel bag.
Price: $49.95 [Notify me when price goes down.]

APS battery compatible with all Roomba FloorVac models. Charges in 3 hours with ABS Fast Charger. Provides approximately 120 minutes of run-time. 50 percent greater useful life than original Roomba batteries.
Price: $41.35 [Notify me when price goes down.]

Easy to charge and connect. Charges in 3 hours with ABS Fast Charger. Provides approximately 120 minutes of run-time. 50 percent greater useful life than original Roomba batteries.
Price: $40.35 [Notify me when price goes down.]

Digital display displays the level of carbon monoxide the unit is sensing. Large backlit display is easy to read even in low light conditions. Peak level memory displays the highest CO concentration measured since the last reset. Front load battery door allows you to change battery without removing alarm from the wall.
Price: $30.99 [Notify me when price goes down.]

Digital display displays the level of carbon monoxide the unit is sensing. Three convenient mounting options. Peak level button displays the peak CO level recorded by the alarm since it was last reset. 9V Battery backup provides protection during power outages.
Price: $42.00 [Notify me when price goes down.]

Instructions on how to transfer images onto your computer. Instructions on How a Digital Camera works. Instructions on using Digital film cards. Instructions on camera settings.
Price: $12.00 [Notify me when price goes down.]

Ideal for digital products. High capacity -- lasts 3 times longer than alkaline. Designed for use with Sony’s advanced power charge. 4 Pack.
Price: $6.75 [Notify me when price goes down.]

Soft-grip handle holds charge for up to 2 weeks, ideal for travel". Rechargeable toothbrush cleans with ultra-high speed bristles. 2-minute Smartimer. Removes 80% of coffee and tobacco stains in just 28 days.
Price: $49.99 [Notify me when price goes down.]

Simple and economic Sony battery charger. Charges up to 4 AA or AAA Ni-MH batteries. Compact design and worldwide voltage capability perfect for travelers. Includes 4 high capacity Ni-MH AA batteries.
Price: $15.24 [Notify me when price goes down.]

1.6GHz Atom N270. 1GB DDR2 SDRAM. 1.3 Megapixel camera, SDHC and multi-format media readers. 802.11b/g, Ethernet, three USB 2.0, VGA, and 3.5mm audio out.
Price: $374.85 [Notify me when price goes down.]