Bresser 21W Portable Solar Charger with USB and DC Output for Mobile Devices

Self-Sufficient Travel With The Bresser Solar Charger
Whether Camping, Sailing, Trekking Or Swimming At The Nearest Lake – Anyone Who Enjoys Being Outdoors For Long Periods Of Time Does Not Want To Do Without Their Smartphone, Tablet, Powerbank, Etc. But One Question Quickly Arises: Where Can I Find The Nearest Power Socket? After All, Every Battery Runs Out And Our Practical Everyday Helpers Can’T Manage Without Electricity. With The Ultra-Compact Bresser Solar Charger, You Simply Use The Power Of The Sun To Charge Your Devices. The Environmentally Friendly Solar Energy Is Free Of Charge – And You Remain Independent Of The Power Grid!

Simply Open It Up, Put It Down And Immediately Produce Green Solar Power
The Handling Is Very Simple: Unfold The Solar Panel And Align It As Perpendicularly As Possible To The Sun. Then Connect The Device To Be Charged To The Solar Charger, Either With A Suitable Usb Cable (Not Included) Or With The Included Dc Connection Cable. The Charging Process Begins Immediately.

Which Devices Can The Solar Panel Charge?
The Solar Charger Gets All Devices With A Usb Power Supply Connection Or The Above-Mentioned Dc Power Plug Connection Up And Running Again In No Time – E.G. Smartphones, Tablets, Power Banks, Portable Playstations, Mp4 Players, Gps Devices And Bluetooth Headphones. For Charging Large Power Stations, We Recommend The More Powerful Bresser Solar Panels With At Least 60 Watts Output Power – See Art. No. 3810050, 3810060, 3810070.

Universal Charger With Flexible Connection Options
One Usb-A Connection Socket Is Available For Powering Your Devices. There Is Also An Additional Universal Connection Socket For Dc Bar Plugs With A Diameter Of 5.5/2.1 Mm. A Universal Connection Cable With A 5.5/2.1Mm Dc Bar Plug On Both Sides And A Length Of 2 Metres, As Well As 3 Plug Adapters (3.5/1.35Mm, 5.5/2.5Mm, 8.0/5.5/0.8Mm) Are Included In The Scope Of Delivery. The Polarity Of The Connectors Is As Follows: Inner Contact = Positive (+), Outer Contact = Negative (-).

How Long Does It Take To Charge A Battery?
Most Modern Devices With Built-In Batteries Indicate The Current Charging Status Of The Battery On A Display Or Status Leds. The Charging Process Is Also Automatically Terminated By The Internal Charger Of The Smartphone Or Tablet, Etc., As Soon As The Battery Is Full.

Nevertheless, It Is Helpful To Know How Long A Full Charge Theoretically Takes With An Empty Battery. This Is The Only Way To Choose The Right Solar Panel Model For The Requirements Of The Devices You Want To Charge.

Here Is A Short Calculation: Divide The Capacity Of The Battery (Mah) By The Charging Current Of The Charger (Ma) And Multiply This By A Factor Of 75. This Then Gives You The Approximate Charging Time In Minutes That Is Required To Fully Charge The Battery At 100% Sunshine Duration.
Example: A Battery With A Capacity Of 3000Mah (3.0 Ah) And A Charging Current Via 5 Volt Usb Connection Of 2400Ma (2.4 Amps). So 3000 : 2400 X 75 = 94 Minutes. Dividing The Result By 60 Gives The Charging Time In Hours: 1.6 Hours.
This Means That An Average Smartphone Can Be Fully Charged In Just About 1.6 Hours With A 21-Watt Solar Panel.