What's your run-time requirement? With 100 mA @ 5 V that's 0.5 W. Assuming an efficiency of maybe 80%, that means the input current from your 1.5 cell (say at 1.3V average voltage) will be 416mA, rising to 625mA at 1V cell voltage. Your boost converter operates down to 1V, so looking at the discharge curves for a typical AA alkaline battery Here are some potential reactions that can occur when battery acid comes into contact with the skin: 1. Chemical Burns: Battery acid is highly corrosive and can cause chemical burns upon contact with the skin. The acid can break down the skin tissues, leading to redness, swelling, and blistering. Lead Acid batteries: those found in cars and boats as well as other motorized vehicles and equipment. Rechargeable batteries: lithium - ion (Li-ION), nickel metal hydride (Ni-MH) and nickel cadmium (Ni-CD). Not Accepted. Alkaline batteries (AA, AAA, C, D ) and any other battery types not mentioned here. Most of the heavy metal has been removed Battery acid is a common name for sulfuric acid (US) or sulphuric acid (UK). Sulfuric acid is a mineral acid with the chemical formula H 2 SO 4. In lead-acid batteries, the concentration of sulfuric acid in water ranges from 29% to 32% or between 4.2 mol/L and 5.0 mol/L. Battery acid is highly corrosive and able to cause severe burns. Compared to lead–acid batteries, Ni–Cd batteries have a much higher energy density. A Ni–Cd battery is smaller and lighter than a comparable lead–acid battery, but not a comparable NiMH or Li-ion battery. In cases where size and weight are important considerations (for example, aircraft), Ni–Cd batteries are preferred over the cheaper For example, alkaline AA batteries are listed as having 1.5 V. This article from Mad Scientist Hut shows their tested alkaline batteries start at about 1.55 V and then slowly lose voltage as they are discharged. In this example, "1.5 V" nominal voltage refers to the maximum or starting voltage of the battery. If you feel a burning sensation in your eyes or on your skin, or if the spill gets on you, leave the area and remove affected clothing. Rinse in lukewarm, gently flowing water for at least 30 minutes. [2] X Research source. Acid leaks, typically from a car battery, are much more dangerous than alkaline battery leaks. 2. Large quantities can be recycled at Battery Recycling Made Easy in Calhoun, GA (678) 721-0022 or at Davis Recycling in Atlanta (404) 524-1746. Waste Management has begun a new program called Think Green From Home. This program allows consumers to ship old disposable batteries to WM for recycling for a small fee. Household batteries (the usual suspects: AA, AAA, C, D, 9-volt) Put tape over the battery ends (the + and – terminals) to be safe and help prevent battery acid from leaking. This creates hydrogen gas that builds pressure inside the battery itself, causing the canister that contains the chemicals to leak. As a result, the pressure will push potassium hydroxide out of the battery itself, and you have a mess on your hands. When potassium hydroxide interacts with the air, it creates potassium carbonate, which is the Mfqhb.