Dayton Audio LBB-5v2 5 x 26650 Lithium Battery Charger Board/Module 21V with Charge Protection
Lithium battery power is your best option when building high power portable sound projects. This battery holder charges five 26650 Li-Ion batteries (sold separately) when used with a 5 to 24 VDC power supply (sold separately). Enjoy prolonged listening with this 21 VDC output advanced power option.
Key Features
21 VDC output power for amplified speakers and other portable projects
Works with 5 to 24 VDC power supplies for versatility
Common 2.1 x 5.5 mm input power jack
Uses five standard 26650 3.7 VDC Li-Ion batteries (sold separately)
One switchable 12 VDC output socket for preamps and other 12 VDC devices