1, the battery connection

● Batteries with different capacities, different performances, and different manufacturers cannot be connected together.

● The battery or battery pack with the same actual capacity can be used in series

● The battery or battery pack with the same actual voltage can be used in parallel.

● Use suitable wires for battery connection and extraction

● Be sure to cut off the power when connecting, otherwise there is danger of electric shock or even explosion.

● The positive and negative poles must not be connected or short-circuited, otherwise the battery will be seriously damaged or even explode.

● Connect the terminal bolts tightly to prevent sparks; if the contact surfaces are oxidized, they can be washed with soda water.

● The newly installed battery pack should be floated and charged for 72 hours before use to balance the internal battery level before testing or using.

2. Charge and discharge of the battery

● Setting of charging voltage when floating charge is used

(1) 2V series battery is 2.26~2.28V/only (25°C)

(2) 6V, 12V series batteries are 2.27~2.30V/single grid (25°C)

(3) Temperature compensation coefficient is 3mv/°C per cell

● Setting of charging voltage and current during recycling

(1) 2V series battery equalization charging voltage is 2.30~2.35V/only (25°C)

(2) 6V, 12V series battery cycle charging voltage is 2.35~2.40V/single cell (25°C)

(3) Temperature compensation coefficient is 4mv/°C per cell

(4) The maximum charging current must not exceed 25% of the nominal capacity

● The battery should be discharged at a rate of 20 hours or more. The voltage should drop to 1.8V/single cell to terminate discharge; discharge at 2~20 hours, the voltage should drop to 1.7V/single cell should terminate discharge; discharge at 1~2 hour rate, voltage When the voltage drops to 1.6V, the discharge should be terminated; excessive discharge will damage the battery, and the battery should be charged immediately after the discharge.

3. Handling, storage and maintenance

● The battery is heavy and the casing is brittle. It should be handled with care when handling. The battery should be placed upright. It is strictly prohibited to be placed on the side. It is also strictly prohibited to roll over and wrestle. At the same time, be careful not to force the terminal.

● The battery should be stored or installed in a dry and ventilated place, avoid direct sunlight, and should be kept away from the heat source where sparks are easily generated.

● The battery should be fully charged before being stored. Do not store after discharge.

● The battery should be stored in an environment of 0~30°C. The stored battery should be recharged every three months.

● The battery pack should be routinely checked every month. The inspection items are as follows:

(1) The battery casing and upper cover should be kept clean, and the battery sealing plug should be kept open.

(2) Battery casing and pole temperature

(3) Whether the cover of the battery is deformed or not, and the pole and safety valve are sufficient to penetrate or overflow.

(4) Is the cable tight?

(5) Single battery float voltage, battery pack charge current, float voltage and load current

4, matters needing attention

● When the battery is charged, it is not allowed to disassemble the battery to avoid danger. If the battery case is damaged or contacted with acid, please rinse it with plenty of water immediately. If necessary, seek medical attention immediately.

●The battery cannot be placed in a sealed container, otherwise there is a danger of explosion.

●Do not use organic solvent to clean the battery

● Multiple batteries can be connected in series to obtain high voltage. When installing, please pay attention to using insulated tools to prevent electric shock.

● The nut should be tightened during installation to prevent sparks during charging and discharging and even explode the battery.

● The battery can not be used upside down, otherwise there will be electrolyte leakage.

● When the battery life is terminated, it should be handled properly. If it is abandoned, it will cause environmental pollution.

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