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3AH Lithium Ion Battery
$11.00
A 3.0 Ah battery can theoretically supply 3 amps for 1 hour, 1 amp for 3 hours, or proportionally based on the device’s current draw, with real-world runtime affected by efficiency and usage conditions.
Understanding Battery Runtime
The runtime of a 3.0 Ah battery depends on the device’s current consumption and the battery type. The basic formula is:
Runtime (hours) = Battery Capacity (Ah) ÷ Device Current (A)
For example, a 3.0 Ah battery powering a device that draws 0.5 A will last approximately 6 hours (3 ÷ 0.5 = 6) under ideal conditions If the device draws 1.5 A, the runtime drops to 2 hours. Real-world performance is slightly lower due to internal resistance, heat, and voltage regulation, typically around 85–95% efficiency for lithium-ion batteries