Batteries & Solar

World Record Solar Cell With 44.7% Efficiency.

Started by gil

Replies: 4
Views: 42,824

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

External battery tray for Youkits HB1B

Started by Rowsey1108

Replies: 4
Views: 48,992

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

And the winner is...

Started by Jon_Garfio

Replies: 3
Views: 40,456

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

Reviving NiCad Batteries.

Started by gil

Replies: 3
Views: 38,532

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

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

Started by raybiker73

Replies: 3
Views: 34,100

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

Kingsolar Panels -- Any good for emcom?

Started by Andywragg

Replies: 3
Views: 44,873

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

Solar Charge Controller.

Started by gil

Replies: 2
Views: 43,956

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

Hydro Power

Started by cockpitbob

Replies: 2
Views: 45,529

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

USB Solar charger 5V to 12V

Started by CroPrepper

Replies: 2
Views: 34,794

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

My current solar / battery setup

Started by scarr

Replies: 2
Views: 31,634

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

Battery backup

Started by 2M0WHN

Replies: 2
Views: 39,012

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

Best brand of LIPO batteries?

Started by gil

Replies: 2
Views: 34,314

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

Solar energy

Started by flightmedic80

Replies: 2
Views: 51,747

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

Portable battery capacity spread sheet

Started by KK0G

Replies: 2
Views: 33,111

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

DIY Solar Panels

Started by NF822WNY

Replies: 1
Views: 33,881

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

Battery capacity for QRO

Started by mehdi

Replies: 1
Views: 32,981

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

My new off grid set-up

Started by chuckinhellertown

Replies: 1
Views: 44,912

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

BMS

Started by 2M0WHN

Replies: 0
Views: 68,094

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

Universal Battery Charger

Started by DC8KH

Replies: 0
Views: 31,030

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