FAQ


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


  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 te


How are sealed lead acid batteries rated?


How are sealed lead acid batteries rated?


For how long sealed lead acid batteries can be stored? How long can sealed lead acid batteries be st


For how long sealed lead acid batteries can be stored? How long can sealed lead acid batteries be stored for?


What is the difference between “cycle use” and “standby use”?


What is the difference between “cycle use” and “standby use”?


How can you define “over-discharge” and its effect on a battery?


How can you define “over-discharge” and its effect on a battery?


How can I determine if a battery starts to fail?


How can I determine if a battery starts to fail?


What is the life expectancy of sealed lead acid batteries?


What is the life expectancy of sealed lead acid batteries?


What is the container material of sealed lead acid batteries?


What is the container material of sealed lead acid batteries?


Are SigmasTek batteries UL listed?


SP, SPG, HR and SPX Series batteries are UL listed and are guaranteed to meet or exceed OEM specifications and performance.


In what kind of applications SigmasTek batteries are commonly used?


SP, SPG, HR and SPX Series batteries can be used in applications such as: Uninterruptible Power Supply (UPS) Electric wheelchairs, scooters, bikes Electronic ap


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