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redpoint5 · 10-15-2020, 04:48 PM

Doing a little testing with my BCAP3400 5s Ultracaps.

Charging from 4.8v to 13.8v (9v delta) took 16 Wh.
Discharging from 14v to 7v (7v delta) consumed 13 Wh

I'd say there's about 10 Wh useful between 13.5v down to 8v. That's 600 watts (0.8 horsepower) for 1 minute, or 3,600 watts for 10 seconds.

Hoping I don't accidentally weld something or send a pool of molten copper through the floor.

10-15-2020, 04:48 PM	#348 (permalink)
redpoint5 Human Environmentalist Join Date: Aug 2010 Location: Oregon Posts: 12,467 Acura TSX - '06 Acura TSX 90 day: 24.19 mpg (US) Lafawnda - CBR600 - '01 Honda CBR600 F4i 90 day: 47.32 mpg (US) Big Yeller - Dodge/Cummins - '98 Dodge Ram 2500 base 90 day: 21.82 mpg (US) Chevy ZR-2 - '03 Chevrolet S10 ZR2 90 day: 17.14 mpg (US) Model Y - '24 Tesla Y LR AWD Thanks: 4,213 Thanked 4,391 Times in 3,365 Posts	Doing a little testing with my BCAP3400 5s Ultracaps. Charging from 4.8v to 13.8v (9v delta) took 16 Wh. Discharging from 14v to 7v (7v delta) consumed 13 Wh I'd say there's about 10 Wh useful between 13.5v down to 8v. That's 600 watts (0.8 horsepower) for 1 minute, or 3,600 watts for 10 seconds. Hoping I don't accidentally weld something or send a pool of molten copper through the floor. __________________ Gas and Electric Vehicle Cost of Ownership Calculator Give me absolute safety, or give me death! Last edited by redpoint5; 10-15-2020 at 04:56 PM..