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Solar & Dual Battery
Days of autonomy + charge time.
Inputs
W
Ah
Wh
h
Results
Fill in the inputs and tap Calculate to see results.
Gear for this build
In stock at our partner shops — real prices, shipped from people who run this stuff.
Sundown Audio
Sundown SA150-975L Super-Cap Battery
What a capacitor pretends to do — real stored energy for voltage sag.
$299.99JS Ultimate Sounds
Shop →
Stealth Energy
American Bass Stealth ST-750 75Ah AGM
75Ah AGM — deep reserve for high-draw audio and dual-battery setups.
$434.28JS Ultimate Sounds
Shop →
Stealth Energy
Stealth Energy ABLT-40 13.8V LTO 40Ah
Lithium titanate — huge current, light weight, holds voltage under load.
$620.72JS Ultimate Sounds
Shop →
JS Ultimate Sounds and JS Alternators are run by the ShowUp team — buying there supports the site. Prices as listed at the shop.