Gizmo's new Firefly battery bank, working out the details - Panbo
Firefly International Energy
Azimuth Solar Products Inc. - Firefly Oasis Carbon Foam Battery: Longer lifespan (more cycles) than lead acid at a lower cost per cycle, same cold weather performance as lead acid but with
Firefly International Energy
Lithium-ion batteries: a buyers' guide for sailors - Yachting Monthly