It's nice light, works fine, solid housing. However maximum power is around 12W (with 4.2V 5A supply, no current limit), not anywhere near 30W. Low voltage cutoff is around 2.6V so it's ok to use with unprotected cells.

It's nice light, works fine, solid housing. However maximum power is around 12W (with 4.2V 5A supply, no current limit), not anywhere near 30W. Low voltage cutoff is around 2.6V so it's ok to use with unprotected cells.

It's nice light, works fine, solid housing. However maximum power is around 12W (with 4.2V 5A supply, no current limit), not anywhere near 30W. Low voltage cutoff is around 2.6V so it's ok to use with unprotected cells.

What kind of batteries do you need

was für Batterien braucht man da

What kind of batteries do you need