| Remove from comparison | Remove | Remove | Remove | Remove | Remove |
|---|---|---|---|---|---|
| Product name | |||||
| Price | $19 at 1 store | ||||
| CNET editors' rating | Not yet rated | 3.5 stars Very good | 3.5 stars Very good | 3.5 stars Very good | 3.0 stars Good |
| Average user rating | 2.0 stars out of 4 reviews | 4.0 stars out of 3 reviews | 0.5 stars out of 9 reviews | 0 stars No reviews, write one! | 2.5 stars out of 19 reviews |
| Release date | July 18, 2008 | June 05, 2008 | July 30, 2008 | December 12, 2008 | October 01, 2008 |
| The Bottom Line | The Kensington Mini Battery Extender is a handy add-on for an iPod or iPhone that's low on battery life. | The Backup Battery is a well-designed and functional solution for delivering emergency power to your iPhone. | The iPhoneck Backup Battery is easy to use and it works as promised. We just wish it had a sturdier construction. | The Richard Solo 1800 Backup Battery is on the expensive side, but you get a lot of bang for your buck. | If you can get over its bulk and price, the Mophie Juice Pack will indeed extend the battery life of your iPhone 3G. | Basic specs |
| Features | See What's the Same or What's different | ||||
| Battery technology | Lithium polymer | Info unavailable | Lithium polymer | Info unavailable | Lithium polymer |
| Recharge time | Info unavailable | Info unavailable | 1.6 hour(s) | Info unavailable | Info unavailable |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | | ||||
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Kensington Mini Battery Extender and Charger for iPod and iPhone 1G, 3G (Black) comparison
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