Overview

Batteries are, well, batteries. See the child pages for specific info!

Child Pages

	Button Cell (Coin Cell) ContentsOverviewPolarityInternal ResistanceTechnologiesSilver CellCommon TypesOverview Button cells maybe also be known as coin cells or watch batteries. Polarity The insulated top cap of a button cell is the negative terminal, the base is the positive terminal. Internal Resistance The internal resistance of a coin cell battery starts of at a rather large 10Ω. This then rapidly … Continue reading Button Cell (Coin Cell)
	Lead-Acid Batteries ContentsOverviewGeneral CharacteristicsChemistriesVRLA (Valve Regulated Lead Acid)AGM (Abosrbed Glass Mat) VRLAGel Cell VRLAChargingNo-Repetitive ChargingFloat ChargingLifetimeSulphationEqualizationOverview Lead-acid batteries are the oldest form of rechargeable battery, invented in 1859. General Characteristics Property Value Specific Energy 30-40Wh/kg Specific Power 180W/kg Common Battery Voltages 6V, 12V Nominal Cell Voltage 2.105V Chemistries VRLA (Valve Regulated Lead Acid) VRLA batteries do not … Continue reading Lead-Acid Batteries
	Lithium Thionyl Chloride ContentsOverviewVoltageCurrent DrawLeakage CurrentDischarge CharacteristicsEnergy DensityTemperature RangeChemical ReactionOverview Lithum thionyl chloride batteries are good for long-term power applications such as wireless remote sensors, backup power for non-persistant memory ICs, and real-time clocks. Voltage Lithium thionyl chloride batteries have a nominal voltage of 3.6V. Current Draw This is where Lithium thionyl chloride batteries show their weakness. They … Continue reading Lithium Thionyl Chloride
	Zinc-air Batteries Chemistry, energy density, power density, applications, and more information about zinc-air batteries.