Nikon D3100 Battery

Nikon D3100 uses Nikon EN-EL14 Rechargeable Li-Ion Battery. So if you have bought a Nikon D3100 camera but forgot to buy a spare battery then this is the right Nikon D3100 Battery which you should look for. The best choice is buying a Nikon Factory battery because the camera warranty still applies if there is a problem caused by the factory battery. So think before if you plan to buy those cheap Nikon D3100 Battery from E-bay or other stores. Nikon is a registered vendor at Amazon.com so you can buy Nikon D3100 Battery from there so you will get a original Nikon D3100 Battery as well as good warranty and also better return policy. Nikon sells these Nikon D3100 Battery at Amazon.com for 35$ + free shipping. I think This is a pretty good deal. 

It's always good to keep a spare battery because you cant say when you will need it. The thing is you will need it sooner or later. There are some more items you might consider to buy with this Nikon D3100 battery. Specially the Battery Grip Holder for Nikon D3100 camera.

• Nikon D3100 Battery Grip Holder - ( 30$ )
• AC Wall Charger + In-Car Charger Adapter - ( 5$ )
• Nikon D3100 Digital Camera Battery Charger  - (16$) (Replacement Charger)

You can check all other Nikon D3100 Accessories and see which can come handy for you. There are to many small and cheap items which can help you a lot.

Nikon D3100 DSLR Camera

Nikon D3100 DSLR camera is the best entry level DSLR camera in the market today. Cheaper price and high quality image processing put Nikon D3100 Camera at top of entry level DSLR camera list. Also Nikon D3100 is the first DSLR camera which can record full 1080p HD videos. It's a compact size DSLR camera with wide ISO range 100-3200 expandable to 12800 and Live View shooting. Nikon D3100 has a 14.2 CMOS sensor and a 3 inch LCD. All these features makes Nikon D3100 into one of the best selling Nikon DSLR cameras. You can buy it for around $649.00 with 18-55mm f/3.5-5.6 AF-S DX VR Nikkor Zoom Lens. This is an amazing deal ! you won't find a better deal for Entry level DSLR camera with all these features.

Nikon D3100 Specifications 

• 14.2-megapixel DX-format CMOS image sensor.
• 3-inch monitor with One-Touch Live View.
• Full 1080p HD Cinematic Video with full-time autofocus and sound.
• Capture images to SD/SDHC/SDXC memory cards.
• ISO 100-3200 expandable to 12800.
• Automatic Exposure Scene Modes.
• Scene Auto Selector.
• Built-in pop-up flash.
• 11 focus points, including 3D focus.

Only Cons are,

• Can't use old lens like 50mm 1.8 lens.
• No bracketing option.
• Camera RAW for the D3100 is not supported in Photoshop or Lightroom. (future firmware update).
• No wireless remote.
• No depth of field preview.

Compatible Lenses,

• AF-S and AF-I: All functions supporte.
• Type G or D AF NIKKOR without built-in autofocus motor: All functions except autofocus supported. IX NIKKOR lenses not supported.
• Other AF NIKKOR: All functions supported except autofocus and 3D color matrix metering II. Lenses for F3AF not supported.
• Type D PC NIKKOR: All functions supported except autofocus and some shooting modes.
• AI-P NIKKOR: All functions supported except autofocus and 3D color matrix metering II.
• Non-CPU: Autofocus not supported. Can be used in exposure mode M, but exposure meter does not function.