Batteries & Solar

My Survival Radio Philosophy and Charging Batteries.

Started by gil

Replies: 4
Views: 58,862

April 29, 2018, 09:11:26 AM
by gil

World Record Solar Cell With 44.7% Efficiency.

Started by gil

Replies: 4
Views: 51,567

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

Battery buffer to power supply?

Started by gil

Replies: 4
Views: 46,566

March 14, 2014, 03:13:02 PM
by gil

Going "Lipo!"

Started by gil

Replies: 14
Views: 68,750

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

Re: Show us your Solar Power System.

Started by freax

Replies: 11
Views: 73,430

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

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

Started by freax

Replies: 5
Views: 59,524

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

Solar energy

Started by flightmedic80

Replies: 2
Views: 60,702

December 08, 2020, 07:38:02 AM
by rickermiler

Universal Battery Charger

Started by DC8KH

Replies: 0
Views: 37,457

September 13, 2018, 03:32:06 AM
by DC8KH

USB Solar charger 5V to 12V

Started by CroPrepper

Replies: 2
Views: 41,698

April 04, 2018, 07:11:04 AM
by CroPrepper

Salvaging old Notebook battery

Started by CroPrepper

Replies: 13
Views: 67,733

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

Choetec Solar Panels Half Price on Amazon

Started by cockpitbob

Replies: 8
Views: 60,099

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

My New Favorite Battery Pack

Started by cockpitbob

Replies: 12
Views: 81,092

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

Hydro Power

Started by cockpitbob

Replies: 2
Views: 55,044

October 31, 2017, 06:28:47 PM
by cockpitbob

My new off grid set-up

Started by chuckinhellertown

Replies: 1
Views: 52,288

April 28, 2020, 11:48:37 AM
by gil

Best portable battey pack for QRP HF/CW

Started by caulktel

Pages1 2

Replies: 21
Views: 128,005

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

Kingsolar Panels -- Any good for emcom?

Started by Andywragg

Replies: 3
Views: 55,134

June 06, 2018, 01:06:08 PM
by gil

18650 battery testing

Started by Andywragg

Replies: 13
Views: 78,743

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

Battery backup

Started by 2M0WHN

Replies: 2
Views: 49,153

October 26, 2022, 06:00:20 PM
by 2M0WHN

BMS

Started by 2M0WHN

Replies: 0
Views: 94,113

November 22, 2022, 10:57:06 AM
by 2M0WHN