The capacity needed for your solar phone charger really depends on the usage of your solar battery bank or how often you do not have access to an AC power outlet. For instance, if you are into outdoor activities such as fishing, hiking, camping trips, etc. you probably need a bigger solar battery bank capacity. Battery capacity is rated in milliampere-hours (mAh) and the higher the rating the higher the power stored for later use. The typical size or capacity of a solar phone charger range from the smallest available 2500mAh to the largest one available about 50,000mAh. The smallest chargers are typically cheap because they are good for one charge while the bigger ones are good for outdoor activities such as camping or when away from a power outlet for a few days since they can hold power for days.

One good example of a solar charger with a bigger capacity of about 50,000mAh is available on Amazon: the Solar Power Bank Portable Charger 50000mah Battery Pack 2 LED 2 USB Camping Solar Panels Waterproof Car Travel Outdoor External Backup Flashlight for All Cell Phones and Tablets Black & Orange. This solar power bank has a built-in 50000 mAh high-capacity polymer lithium core battery bank equipped with a compact solar panel, which could recharge the battery itself under sunshine.

2. Affordability

The cost of a solar phone charger is cheaper compared to a conventional phone charger because of the zero cost of utilizing clean, natural energy with no external electricity required as well as almost zero maintenance. In addition, it is inexpensive depending on what specifications or features are selected during purchase time. The price of a solar phone charger can range from anywhere between $30 to above $100.

3. What is the best portable solar phone charger? –Specifications or features of a solar phone charger.

Specifications of features of a solar phone will include various aspects the for instance the type of solar phone charger manufactured, capacity, use of wireless charging, use of multiple charging ports, etc. All these features or specifications will determine the price of your solar phone charger. For instance, there are two types of solar phone chargers including direct solar chargers and battery bank solar chargers. As the name suggests, in a direct solar phone charger, solar panels are connected directly to the battery of the phone while in a battery bank solar charger, solar panels are connected to a battery bank for charging and that power is stored for later use for your cellphone.

Other interesting specifications or features for a solar phone charger that will be considered to determine what is the best portable solar phone charger included but not limited to:

• High charging time
• Wireless charging
• Multiple charging ports are good to enable you to charge multiple phones at the same time.
• LED flashlight is good for outdoor activities such as camping etc
• The solar charge should be waterproof, dustproof, shockproof for durability purposes.
• Includes a carabiner for portability.
• Make sure your solar charger is compatible with your USB devices.

When it comes to charging time is very crucial because it will determine how fast you can recharge your cellphones when they go low on charge. Charging time is dependent on the size and the specifications of the solar charger as well as the nature of the cell phone being charged, for instance, what are the energy requirements of your cellphone.