Batteries & Solar

World Record Solar Cell With 44.7% Efficiency.

Started by gil

Replies: 4
Views: 16,766

September 24, 2013, 09:20:50 AM
by RichardSinFWTX

Homebrew Solar Panel

Started by KK0G

Replies: 4
Views: 17,513

April 28, 2013, 12:55:56 PM
by gil

Lead acid batteries are backwards from what i've always been told

Started by vwflyer

Replies: 5
Views: 18,482

August 07, 2018, 01:29:26 PM
by gil

Solar panel

Started by s2man

Replies: 5
Views: 17,976

June 09, 2013, 09:29:32 AM
by Frosty

Don't feel guilty about using Lithium Ion over NiMH, Eneloops are no better.

Started by freax

Replies: 5
Views: 22,794

February 08, 2015, 02:23:48 AM
by KG7LZD

UltraPack DIY External Battery Pack for Field Comms

Started by STN

Replies: 7
Views: 19,920

August 12, 2016, 05:28:13 AM
by gil

Free power!!

Started by KK0G

Replies: 8
Views: 21,009

September 22, 2013, 02:35:10 PM
by KC9TNH

Choetec Solar Panels Half Price on Amazon

Started by cockpitbob

Replies: 8
Views: 18,940

August 12, 2016, 06:29:25 AM
by gil

Re: Show us your Solar Power System.

Started by freax

Replies: 11
Views: 26,569

September 03, 2018, 10:02:29 AM
by N5VMO_Pat

My New Favorite Battery Pack

Started by cockpitbob

Replies: 12
Views: 29,041

September 20, 2017, 06:50:00 AM
by Ding Bat

Man Portable Off-Grid Power for Amateur Radio

Started by STN

Replies: 12
Views: 26,251

October 17, 2017, 04:48:45 AM
by gil

18650 battery testing

Started by Andywragg

Replies: 13
Views: 26,324

November 30, 2019, 03:24:30 PM
by 9a3iv

The Goal Zero Nomad 7 and Guide-10 Solar Power Kit for Ham Radio.

Started by gil

Replies: 13
Views: 30,101

September 14, 2013, 12:08:55 AM
by gil

Salvaging old Notebook battery

Started by CroPrepper

Replies: 13
Views: 20,182

May 10, 2018, 02:33:11 AM
by Andywragg

Going "Lipo!"

Started by gil

Replies: 14
Views: 25,219

December 11, 2013, 08:33:14 AM
by cockpitbob

Disappointed with LIPO batteries.

Started by gil

Pages1 2

Replies: 20
Views: 34,499

January 16, 2015, 10:06:04 PM
by gil

Best portable battey pack for QRP HF/CW

Started by caulktel

Pages1 2

Replies: 21
Views: 47,179

October 17, 2018, 04:46:57 AM
by Andywragg

MY CB GO BOX

Started by NF822WNY

Pages1 2

Replies: 27
Views: 47,178

January 16, 2018, 10:56:19 AM
by NF822WNY

Building a 40 Ah Battery Box

Started by RichardSinFWTX

Pages1 2

Replies: 28
Views: 46,791

February 21, 2015, 10:54:56 PM
by KK0G