Electric forklift batteries, battery-related issues

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51, how to assess the life of lead-acid batteries?
 
Capacity of 75% depth of discharge, the life should not be less than 350 times.
 
52, lead-acid b atteries are the advantages and disadvantages?
 
A. Advantage of low prices: the price of lead-acid batteries for the price of other types of battery 1/4 to

1/6. Time investment is relatively low,forklift bucket
most users can afford.
 
Two. The disadvantage of weight, volume, energy quality than the low, delicate, demanding the charge and

discharge.
 
53, why is the battery you want to save some time before packaging and shipping?
Performance of the battery storage is an important parameter to measure the battery performance stability.

Storage battery after a certain period of time, allowing the battery capacity and internal resistance to a

certain degree of change. Storage after a period of time, allowing the internal composition of the

electrochemical performance of stabilized,truck attachments
can understand the size of the battery self-discharge performance,

in order to guarantee the quality of the battery.
54. What is the load capacity of the battery?
When the battery positive and negative ends are connected with electrical, driving work with electrical output

power, that is, the load capacity of the battery.
 
55, is currently in use and \"green ba ttery\"?
The new green battery means in recent years has been put into use or are being developed for a class of high-

performance, non-polluting batteries. Has been extensive use of lithium-ion batteries, nickel metal hydride

batteries and are promoting the use of mercury-free alkaline manganese batteries, and are developed lithium or

lithium ion plastic batteries burning batteries, electrochemical energy storage supercapacitor is a new type

the scope of the green cells. In addition, has been widely applied use of solar energy photovoltaic conversion

of solar cells.
56, lead-acid battery discharge rate and the relationship between?
The same power of the motor, rated voltage, the power consumption of the speed is absolutely different. For

example: with 180W motor, the rated voltage of 24V, the current of 7.5A; rated voltage of 36V when the current

is only 5A, the same capac ity battery pack, the combination of 36V, slow to 5A current discharge, electro-

chemical reaction The combination of 24V, 7.5A current discharge, electro-chemical reaction will be relatively

intense as calm 5A discharge.
 
Battery current discharge is less than 0.5C economy. What is 0.5C? C: represents the capacity of the battery,

C2 put two hours, the rate of discharge of the battery determination to come to the actual capacity. This

means that the calibration for the C2 capacity per hour shall emit half the capacity (0.5C2) to meet the

capacity requirements, if more than 0.5C2, its capacity should be discounted. And the battery life.
 
2 hours discharge rate marked capacity for the 12Ah battery should be labeled C2 = 12Ah, so 0.5C2 = 0.5 × 12

= 6A. 12Ah battery discharge at 0.5C current 6A. 10Ah battery, 0.5A.
 
Battery to work long hours, the output c urrent is not greater than the battery rated capacity Cx indeed / X-,

X-rating of the battery when the rate, which is the principle of choice. X is 2, you should be 2 hours

discharge rate; the value of X is 3, is used according to the three hours to consider.
 
57, the current lead-acid battery capacity has several marked?
Lead-acid battery capacity following labeling methods, such as C20, C10, C5, C2, respectively, 20h, 10h, 5h,

2h discharge rate of discharge and the actual capacity. 20h discharge rate capacity, labeling should be C20,

C20, = 10Ah the battery, which refers to the current discharge of the C20/20 20h to get the capacity value.

Conversion to C5, that is four times the discharge current of C20 regulations, the capacity is only 7Ah about

the electric bike is generally within 1 ~ 2h large current discharge, lead acid batteries discha rge off the

electricity within 1 ~ 2h (C1 ~ C2) , close to the required current of 10 times, then it is the actual power

supply C20 discharge capacity 50% to 54%. The battery capacity is marked as C2, ie, marked 2h discharge rate,

capacity, if not C2, you should be calculated to arrive at a correct discharge time and capacity. Marked

capacity to 5h discharge rate (C5) 100% in 3h instead is done, the actual capacity is only 88%; is done within

2 hours, only 78%; is done within one hour, the only 5h discharge when 65% of the capacity. The capacity

indicated assumes that the 10Ah. 8.8Ah the actual power to the 3h discharge only 6.5Ah of power; 1h discharge,

only to, feel free to reduce the discharge rate, discharge current 0.5C2 than marked not only the capacity to

reduce the battery life have a certain impact. Similarly, the (nominal) capacity on the marked for the battery

discharge current of C3 C3 / 3 ≈ 0.333C3, if it is a C5, the discharge current for the 0.2C5, and so on.
 
58, the secondary battery of the common characteristics?
 
The common characteristics of the secondary battery charging negative production of gas, surrounded by

negative, so that electrons can not reach the anode electrochemical reaction not only affects the charging

efficiency, caused by plate fever, electrolyte evaporation dries up, the concentration. Lead-acid battery

electrolyte water evaporation thicken, will promote the vulcanization of the plate, lower charge efficiency,

capacity decreased, and finally caused battery scrap
 
All batteries should not over-discharge, over-discharge is less the cost of short-lived, the discharge of not

less than the discharge voltage shall prevail.
 
59, why the battery every month to do a full discharge?
If long-term lead-acid battery is not fully discharged state, the monthly opportunity should be given a fully

discharged in order to maintain the activity of the battery plate material. Fully discharged can be long-

distance running until the controller undervoltage protection, automatic cut-off when.
 
60, the battery negative factors?
 
Battery unfavorable factors, occurring mainly in the charge-discharge stage.
A. Two super-discharge phase is mainly the discharge current value, ie, long-term current value exceeds the

allowable discharge; discharge of the second problem is the over-discharge, over discharge volume allowed by

the battery, called \"super\", the battery life is very harmful .
 
Two. Two over, two owed to the charging phase two over, two owe.
 
(1) \"two off\": an excessive overcharge; a had lead-acid batteries over long sto rage without, but also from

time to time to supplement electricity.
 
(2) two owe \": the one owed to the lead-acid batteries to charge less, the battery is often sufficient

dissatisfaction with the lack of timely plate curing restore lead-acid batteries is extremely taboo; another

single-cell battery in the battery pack owe a balanced, resulting in the widening gap between a single block

of battery discharge and charge level of a group of batteries, charge less more less filling, had put the

increasingly over-discharge. Affect the entire life of the battery pack, but also to their economic costs to

increase.
 
\"Two off\" and \"owe\" is the enemy of the battery can not be underestimated. But the \"off\" and \"two-owed\" is

caused by the people themselves, the problem is more complex, has many causes, from the selectio n, use and

maintenance supporting the rationality of the controller and charger, battery cause of the failure of timely

detection, they are interrelated.