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SIL Aerospace Battery Comparison Chart

SIL Aerospace Battery Comparison Chart. Battery Characteristic. Lithium Polymer. Lithium Ion. Nickel Cadmium. Nickel Hydride. Lead-Acid Gell Cell. Silver Zinc. 50 - 75 $ / Wh. 3.5 - 5 $ / Wh. 1.5 - 3.0 $ / Wh. .3 - .50 $ / Wh. 2.5 - 3.5 $ / Wh. .75 - 1.5 $ / Wh. COST.

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SIL Aerospace Battery Comparison Chart

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  1. SIL Aerospace Battery Comparison Chart Battery Characteristic Lithium Polymer Lithium Ion Nickel Cadmium Nickel Hydride Lead-Acid Gell Cell Silver Zinc 50 - 75 $ / Wh 3.5 - 5 $ / Wh 1.5 - 3.0 $ / Wh .3 - .50 $ / Wh 2.5 - 3.5 $ / Wh .75 - 1.5 $ / Wh COST Voltage Per Cell 1.85 to 1.2 Volts 4.2 to 3 Volts 3.7 - 2.5 Volts 1.4 to 1 Volts 1.4 to 1 Volts 2.2 - 1.7 Volts Current Sink Capability 3-4C 5-10C Pulse 2-3C Continuous 5C Pulse 1 - 2C Continuous 1 -2C Continuous 1 - 3C Continuous 5-10C Continuous Energy Density (Wh/Kg) 70 - 100 Wh / Kg None. Good 130 - 150 Wh / Kg Excellent None. 100 - 120 Wh / Kg None. Good 30 - 45 Wh / Kg Good Yes. 40 - 55 Wh / Kg None. Fair 25 - 35 Wh / Kg None. Good Charge/Discharge Cycle Life 10 to 30 Cycles High Rate @ C/2 > 500 Cycles @C/2 80% Initial Capacity > 500 Cycles @ C/5 > 1000 Cycles @ C/5 > 800 Cycles @ C/5 > 500 Cycles @C, Deep Cycle Temperature Range + 4 C to 74 C - 20 C to 60 C Withstand 70C for 1 hour - 10 C to 50 C -20 C to 50 C -10 C to 50 C - 40 C to 60 C Mechanical Adaptability Limited Configurations Unlimited Configurations Limited Configurations Limited Configurations Limited Configurations Limited Configurations Silver Oxide / Zinc Oxide Potassium Hydroxide Electrolyte, Toxic Lithium Cobalt Oxide Polymer Electrolyte Non-Toxic, Fire- Toxic only + Lithium Cobalt Oxide - Cadmium Hydroxide Organic Electrolyte, Toxic - Metallic Lead + Lead Dioxide (PbO2) Sulfuric Acid Elect, Tosic Toxic Chemistry + Nickel Cadmium - Cadmium Hydroxide P. Hydroxide Elect, Toxic - LaNi5 + Nickel-Metal P. Hydroxide Elect., Toxic Electrolyte Leakage Yes. Potassium Hydroxide Electrolyte No. Polymer Electrolyte Yes. Organic Solvent Electrolyte Yes. Potassium Hydroxide Electrolyte Yes. Potassium Hydroxide Electrolyte Yes. Sulfuric Acid Electrolyte Electrolyte Injection for each Cell or one time use for Automatically Activated No. 6-12 V Blocks Maintenance Required No. Cell Wire Connections No. Cell Wire Connections No. Cell Wire Connections No. Vibration & Shock Resistant Opt. Voltage Recharge Rate 1.4 Volts 10-12 hours at C/4 1.98 Volts 16 hours at C/2 4.2 Volts 8 hours at C/5 3.7 Volts 8 hours at C/5 1.4 Volts 16-24 hours at C/4 2.4 Volts 16 hours at C/3 Memory Effect Self Discharge Manual Activate- few weeks Automatic Activate-day one time shot <5 % month < 10 % month 25-30% month 20 - 25% month 3-5 % month

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