What are the differences between electric tool batteries?
Release time: 2025-07-25
The main differences between electric tool batteries lie in battery type, voltage specifications, capacity, application scenarios, and performance characteristics. Lithium-ion batteries are currently the mainstream choice, combining high energy density and long cycle life.
The main differences between power tool batteries lie in battery type, voltage specifications, capacity, application scenarios, and performance characteristics. Lithium-ion batteries are currently the mainstream choice, combining high energy density and long cycle life.
Battery Type Differences
Lithium-ion batteries:
Mainstream choice, high energy density (strong battery life), light weight, long cycle life (over 1000 times).
Disadvantages: higher cost, weaker high-temperature performance.
Lithium iron phosphate batteries:
Excellent high-temperature performance, suitable for long-term continuous operation, long cycle life, but lower energy density.
Nickel-hydrogen batteries:
Low cost, good safety, but heavy, memory effect, poor low-temperature performance, gradually being eliminated.
Lead-acid batteries:
Only used for low-end or large tools (such as forklifts), low price but heavy and short battery life.
Voltage and Capacity Specifications
Voltage levels: Household tools are mostly 12V-16V, professional tools can reach 21V-36V, the higher the voltage, the greater the power.
Capacity differences: For example, a 12V4.5Ah battery is suitable for light-duty work (such as 300 screw installations), and a 12V7Ah battery increases battery life by 50%, suitable for heavy-duty tasks.
Performance and Application Scenarios
Household scenarios: Low voltage (12V-16V), small capacity battery, lightweight and fast charging.
Professional scenarios: High voltage (21V and above), large capacity battery, supports continuous high-power output (such as cutting metal).
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