Drained Lead Car Battery Scraps Material : hard wood of Coffee, Eucalyptus Shape : Circle Size: 2 - 5cm Length: 3 - 10 cm Ash content: 2,5% Moisture: 5% max Volatile matter content: 8% max Fixed carbon content: 92,4% Calorific value: >8000 Kcal/kg Burning time: around 2,5 - 3 hours No smoke - no sparks - no odor during ignition