Power battery (the power source that provides the power source for the tool)

The power battery is the power source that provides the power source for the tool, and mostly refers to the battery that provides power for electric vehicles, electric trains, electric bicycles, and golf carts.

It is mainly different from the starter battery used to start the car engine. Valve-sealed lead-acid batteries, open tubular lead-acid batteries and lithium iron phosphate batteries are mostly used.

1. Automobile and motorcycle industry. Mainly to provide electrical energy for the starting ignition of the engine and the use of on-board electronic equipment;

2. Industrial power system. It is used for power transmission and transformation substations, providing closing current for power units, and providing backup power and communication power for public facilities;

3. Electric vehicle and electric bicycle industry. Replacing gasoline and diesel as the driving power source for electric vehicles or electric bicycles.

Lithium battery

Lithium-iron battery is a new type of green high-energy chemical power source that was launched by Yongbei Company in the United States after 2000 and has been successfully marketed. It is used in electronic equipment and electric toys that require high-energy and high-power power sources. Performance. When the discharge current is above medium, the discharge time of lithium iron batteries can reach about 6 times that of alkaline manganese batteries; compared with nickel-metal hydride batteries, its discharge voltage is stable and the storage time has significant advantages.

In general, lithium iron batteries have the following outstanding advantages:

1. Interchangeability with alkaline manganese batteries, can be exchanged with alkaline zinc manganese batteries for any purpose;

2. It has a longer working time and a higher and flatter working voltage, especially when the discharge is above medium current;

3. Environmentally friendly green power supply, do not use any mercury, chromium, lead and other toxic substances;

4. Good storage performance, the storage period can be as long as 10 years.

Battery model: LFB14505 (AA)

Discharge capacity: greater than 2700mAh (under 1000mA discharge current)

Discharge voltage: ~1.45V (at a discharge current of 200mA)

Shelf life: 10 years

NiMH rechargeable battery

Due to the toxicity of cadmium in nickel-cadmium batteries (Ni-Cd), the disposal of waste batteries is complicated and the environment is polluted, so it will gradually be replaced by nickel-hydrogen rechargeable batteries (Ni-MH) made of hydrogen storage alloys. In terms of battery power, Ni-MH rechargeable batteries of the same size are about 1.5 to 2 times higher than Ni-Cd batteries, and have no cadmium pollution. They have been widely used in mobile communications, notebook computers and other small portable electronic devices. . Ni-MH battery is composed of hydrogen ion and metal nickel, and its power reserve is 30% more than that of nickel-cadmium battery. Larger-capacity NiMH batteries have begun to be used in gasoline/electric hybrid vehicles. The use of NiMH batteries can quickly charge and discharge the process. When the car is running at high speed, the electricity generated by the generator can be stored in the on-board NiMH battery. , When the car is running at low speed, it usually consumes a lot of gasoline than at high speed. Therefore, in order to save gasoline, the on-board nickel-metal hydride battery can be used to drive the motor to replace the internal combustion engine, which not only ensures the normal running of the car, but also saves Plenty of gasoline.