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2. Lemon battery - Wikipedia

   en.wikipedia.org/wiki/Lemon_battery

   A lemon battery is a simple battery often made for the purpose of education. Typically, a piece of zinc metal (such as a galvanized nail) and a piece of copper (such as a penny) are inserted into a lemon and connected by wires.

3. Penny battery - Wikipedia

   en.wikipedia.org/wiki/Penny_battery

   The penny battery experiment is common during electrochemistry units in an educational setting. Each cell in a penny battery can produce up to 0.8 volt, and many can be stacked together to produce higher voltages. Since the battery is a wet cell, the effectiveness will be reduced when the electrolyte evaporates.

4. Water-activated battery - Wikipedia

   en.wikipedia.org/wiki/Water-activated_battery

   This battery type is specifically designed to pollute less (see environmentally friendly claims) due to the lesser use or the absence of heavy metals. Water-activated batteries have been used in radiosondes that shouldn't contain heavy metals since they regularly fall to the ground or ocean surface, and indefinitely remain there.

5. iPhone 7 - Wikipedia

   en.wikipedia.org/wiki/IPhone_7

   The iPhone 7 and iPhone 7 Plus [a] are smartphones that were developed and marketed by Apple Inc. They are the tenth generation of the iPhone.They were announced on September 7, 2016, at the Bill Graham Civic Auditorium in San Francisco by Apple CEO Tim Cook, and were released on September 16, 2016, succeeding the iPhone 6, iPhone 6 Plus, iPhone 6S and iPhone 6S Plus as the flagship devices in ...

6. Talk:Lemon battery - Wikipedia

   en.wikipedia.org/wiki/Talk:Lemon_battery

   Using a multimeter set on the 9.99 volts DC max scale, and with nothing else connected to the battery (that is, when measuring the "open circuit" battery voltage), the meter reads about 2.8 volts, or about 0.7 volts per cell. It is not a very good battery; I measure a short circuit current of about 6 milliamperes.

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8. iPhone hardware - Wikipedia

   en.wikipedia.org/wiki/IPhone_hardware

   The top and side of an iPhone 5S, externally identical to the SE (2016).From left to right, sides: wake/sleep button, silence switch, volume up, and volume down. The touchscreen on the iPhone has increased in size several times over the years, from 3.5 inches on the original iPhone to iPhone 4S, to the current 6.1 and 6.7 inches on the iPhone 14 and 14 Pro series. [1]

9. AOL Mail

   mail.aol.com/d?reason=invalid_cred

   Yes! You can take your email on the go with an iOS & Android app.