There are a million and one smartphone cases to choose from these days. Some people opt for looks alone, but many people (us included) want cases that are functional, too. Seeing this need in the market, companies have designed seemingly everything under the sun: They are cases that double as portable batteries or wallets; waterproof and scratch-resistant shells are other popular options.It's only fitting that you find a case that matches your lifestyle. Below, we rounded up 9 options to suit every person's needs'and proneness to dropping things.Your Need: Extra Battery PowerIf your battery is forever running low, this portable charging case will effectively provide it with 125% extra battery life for your iPhone 6, which is equivalent to an added 18 hours of talk time or 14 hours of web-browsing time.Maxboost VIVID iPhone 6 Battery Case, $69.99, available at Amazon.You can also shop this case for iPhone 5/5s, iPhone 4/4s, and Samsung Galaxy S5.Your Need: WaterproofWith this universal waterproof pouch, you can bring along your iPhone or Android on kayaking trips, snorkeling adventures, and more.FriEQUniversal Waterproof Case Bag, $7.99, available at Amazon.Your Need: Kick StandIn addition to talking, texting, and sending emails, you use your smartphone to watch Netflix, YouTube videos, and the occasional HBO show. A case with a kick stand will keep your phone upright while you watch, leaving your hands free to multitask.i-Blason iPhone 6 Case, $16.99, available at Amazon.You can also shop this case for iPhone 5/5s and Samsung Galaxy S5.Your Need: Accident-ProofYou've broken your phone every year for as long as iPhones have been around, so having a case that can keep up with your clumsiness is an absolute must at this point.OtterBox cases are the top of the line.OtterBox Defender Series iPhone 6 Case, $54.94, available at Amazon.You can also shop this case for iPhone 5/5s, iPhone 4/4s, Samsung Galaxy S4, and Samsung Galaxy Note 4.Your Need: AppearanceAt the end of the day, you just want your device to look good. Native Union's wood cases deliver.Native Union CLIC Wood iPhone case, $40, available at Amazon.You can also shop this case for iPhone 5/5s.Your Need: GripIf your friends affectionately call you 'butterfingers', Speck's phone cases with textured pads and rubber grips are made with people like you in mind. They'll make sure your smartphone stays where it's supposed to be ' i.e. in your hands.Speck Products CandyShell Grip Case, $16.99, available at Amazon.You can also shop this case for iPhone 5/5s and Samsung Galaxy S5.Your Need: Scratch-ProofThis clear case will keep you phone's screen scratch-free and looking brand new ' no one would guess your nearing your next upgrade.i-Blason Halo Series Hybrid Clear Case, $9.99, available at Amazon.You can also shop this case for LG G4 and Samsung Galaxy s5.Your Need: CardholderThe Incipio Stowaway Casehouses convenient storage that can carry up to three cards at a time. What better place tostowyour MetroCard and office ID for easy access on your morning commute'IncipioStowaway Case, $16.50, available at Amazon.You can also shop this case for iPhone 5/5s,iPhone 4/4s, and Samsung Galaxy S6.Your Need: No CaseYour as no-frills a personality as they come. To that end, you want your iPhone to look the way it was intended 'completely case-less. We get it, but you should have a Plan B just in case your hands aren't as nimble as you think.iCrackedPremium Screen Replacement & Repair Kit, starting at $8.95, available at Amazon.READ THIS:Deal: This 'pay what you want' bundle will turn your mobile app idea into a reality SEE ALSO:This long-lasting external battery will charge your iPhone 5 times over [71% off]Join the conversation about this story Click here to read full news..