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What is the lowest and highest operating temperature range of sealed lead acid batteries?

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　　The optimal discharging temperature of SP, SPG, HR and SPX Series batteries is from -20°C (-4°F) to 50°C (122°F).

　　The optimal charging temperature of SP, SPG, HR and SPX Series batteries is from -20°C (-4°F) to 50°C (122°F).

　　The optimal storage temperature of SP, SPG, HR and SPX Series batteries is from -20°C (-4°F) to 40°C (104°F).

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