Renewable biomass (twigs, pinecone, wood pellets). 2.06 lbs (33 oz). 20 minutes of charging provides 60 minues of talk time. Charging times vary by device. 1.6 oz (46 grams) of wood to boil 1 liter of water. 4.5 minutes to boil 1 liter of water. Boiling times vary by strength of fire. The item “NEW […]