Batteries & Solar

World Record Solar Cell With 44.7% Efficiency.

Started by gil

Replies: 4
Views: 57,881

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

External battery tray for Youkits HB1B

Started by Rowsey1108

Replies: 4
Views: 71,566

July 17, 2018, 07:30:32 AM
by Rowsey1108

I'm smart enough to want solar, but too dumb to put it together...

Started by raybiker73

Replies: 3
Views: 44,649

February 11, 2013, 07:59:22 AM
by madball13

Solar energy

Started by flightmedic80

Replies: 3
Views: 71,132

May 28, 2026, 06:43:02 AM
by Davys

Reviving NiCad Batteries.

Started by gil

Replies: 3
Views: 50,609

October 17, 2016, 01:44:58 PM
by gil

And the winner is...

Started by Jon_Garfio

Replies: 3
Views: 54,554

June 29, 2017, 09:25:23 AM
by cockpitbob

Kingsolar Panels -- Any good for emcom?

Started by Andywragg

Replies: 3
Views: 64,742

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

Best brand of LIPO batteries?

Started by gil

Replies: 2
Views: 45,161

December 31, 2014, 01:16:59 PM
by gil

Battery backup

Started by 2M0WHN

Replies: 2
Views: 59,955

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

Portable battery capacity spread sheet

Started by KK0G

Replies: 2
Views: 43,132

September 29, 2013, 09:08:19 PM
by Archangel320420

Solar Charge Controller.

Started by gil

Replies: 2
Views: 56,519

October 30, 2012, 02:28:54 PM
by gil

Hydro Power

Started by cockpitbob

Replies: 2
Views: 68,881

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

My current solar / battery setup

Started by scarr

Replies: 2
Views: 41,004

March 07, 2017, 05:04:52 PM
by scarr

USB Solar charger 5V to 12V

Started by CroPrepper

Replies: 2
Views: 52,805

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

My new off grid set-up

Started by chuckinhellertown

Replies: 1
Views: 61,403

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

DIY Solar Panels

Started by NF822WNY

Replies: 1
Views: 49,607

May 26, 2018, 07:04:16 AM
by gil

Battery capacity for QRO

Started by mehdi

Replies: 1
Views: 48,530

May 24, 2018, 06:52:26 AM
by gil

BMS

Started by 2M0WHN

Replies: 0
Views: 109,996

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

Universal Battery Charger

Started by DC8KH

Replies: 0
Views: 48,428

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