Although today’s lead-acid batteries in the structural design and use of raw materials than in the past has been greatly improved, performance has been considerably improved, a number of excellent design and materials used in maintenance-free lead-acid battery float life of 15 theories more than 20 years, but really in use to achieve such a life of the battery is probably very little. Take widely used in cars and motorcycles less maintenance of dry-charged Lead-acid starter batteries, the design service life of 4 to 5 years, through the survey found that very few can achieve the above level, the majority of a few months to a years on the die, and reason, we consider the following points:
1) The charging equipment design not perfect, nor convenient to use.
2) lead-acid hp pavilion zd7000 battery,hp pavilion zv5000 battery discharge of the lack of timely replenishment of charge, in particular, over-discharge of the battery causing fatal injuries.
3) a small number of manufacturers of products of poor quality, shoddy.
For these reasons, we believe that 2), 3) Technically speaking, it is easier to prevent and do a good job, and only one) involves more difficult to solve technical problems, the following highlight the problems in this regard.
2 battery charging technology requirements
The lead-acid hp pavilion dv8000 battery,hp pavilion dv9000 battery manufacturers to provide guaranteed service life of technical indicators in the environmental temperature is 25 ℃ under the given. As the single lead-acid battery voltage with a temperature rise 1 ℃ per drop by about 4mv features, then a 6 cell in series consisting of single 12V battery, 25 ℃ when the float voltage of 13.5V; when the ambient temperature dropped to 0 ℃, the float voltage should be 14.1V; when the ambient temperature rose to 40 ℃, the float voltage should be 13.14V. At the same time there is a feature lead-acid batteries, when the ambient temperature must, charging voltage is higher than the required voltage 100mv, charge current will increase several times, therefore, will lead to thermal runaway and battery overcharge damage. When the charging voltage is lower than the required voltage 100mv when they will charge the battery shortage will lead to cell damage. In addition the capacity of lead-acid battery and temperature are also related to each of reduction is about the temperature 1 ℃, capacity will be reduced by 1%, so users of lead-acid battery manufacturers require the battery release in the summer, 50% of rated capacity, after release of 25% in winter should be promptly charged.
Clearly, the routine use of lead-acid hp pavilion dv5000 battery,hp pavilion dv6000 battery can not last long in a 25 ℃ environment, day in there early, middle and late changes in temperature, not to mention the year there are spring, summer, autumn and winter seasons a greater temperature, there is currently on the market a variety of commonly used thyristor rectifier, transformer rectifier buck, as well as the general switching power supply type of lead-acid battery charger for constant voltage or constant current mode the battery charge is unable to meet additional charge of lead-acid batteries need to meet the stringent technical requirements. Looking at the past, they used the method for lead-acid battery charging, as well as the development of these methods lead-acid battery charger, we can see that the technology is not perfect, and use these products to lead-acid battery charging, is bound to a direct affect the life of lead-acid batteries, while there are still these chargers meet the operating voltage range of narrow, large volume, low efficiency, poor safety factor of the problem.
3 natural balance charger
Lead-acid battery charger for the existence of the above common problems, Changsha Yu Heng Electronics Co., Ltd. of lead-acid battery charger for a long in-depth study in its own unique approach and clever design, producing a new charger series product, solve the existence of lead-acid hp pavilion dv2000 battery,hp pavilion dv4000 battery charging complex technical problems through years of experiments confirmed that greatly improved the service life of lead-acid batteries. (The technology has been patented)
Rechargeable batteries are now briefly describe the new law - the natural balance charging method.
What is the natural balance of battery charging method? See Figure 1 shows the connection diagram of battery charging.
Figure 1 There are two power supply EA, EB, when the power supply EA and EB at the same ambient temperature, cathode and the anode is connected to anode and cathode are connected, they formed a closed circuit, there is the following relationship If the EA than EB, EA will be EB provides EA-EB = ΔE the voltage, while the size of ΔE will provide a Δi current EB to the power flow and perfusion, when the EB absorbed current Δi provided by EA, so that increased EB EA is equal to the total time (expressed as in hp pp2182l battery,hp pavilion dv1000 battery, battery terminal voltage rise and the increase in charge storage capacity), power supply EA will have ceased to EB to provide current, that is, EA = EB, ΔE = 0, Δi = 0.
In the above description, we replace EB by charging batteries, calculated at different depth of discharge and the ambient temperature, the corresponding battery voltage. EA will be designed into different ambient temperature, battery charge can be balanced by the need to automatically adjust the output voltage and current power supply, with the corresponding connection. Completely idealized circumstances, the power supply EA batteries in any one according to ambient temperature, can accept the current, the battery charging, the battery is fully charged, after, ΔE = 0, Δi = 0, EA power will no longer consume power, then , EA only with the ambient temperature changes, being rechargeable battery provides tracking balance compensation, due to hp pb995a battery,hp pp2182d battery charge to complete the entire process is completely automated, so we call the natural balance method.
This method is completely ideal situation is: After the battery in fully charged, EA and EB are charging battery voltage difference between the ΔE = 0, naturally Δi = 0, due to EA without power supply battery (EB), so battery electrolyte could not produce boiling, it can not make the battery in the water within the electrolyte decomposition, but can not make the pressure inside the battery and temperature, resulting in security risks. Therefore, this method is provided to the battery will not overcharge batteries, rechargeable batteries will not lack, but more convenient, more secure, more reliable charging.
From the above analysis, we can easily see that this method is particularly suitable for maintenance-free and low maintenance of lead-acid battery maintenance charging, better adapted to the use of intermittent discharge of hp pb992a battery,hp pb994a battery charging routine maintenance will help improve the battery in everyday use reliability, improve battery life.
Finally look at the natural balance by a charging method developed for motorcycle 12V lead-acid battery charger with smart major technical indicators:
1) rechargeable batteries 12V4 ~ 10Ah;
2) The input power of AC 100 ~ 240V, DC 120 ~ 370V;
3) weight ≤ 100g; size 60mm × 35mm × 30mm;
4) The application of the ambient temperature -10 ~ 45 ℃.
4 Conclusion
1) rechargeable batteries 12V4 ~ 10Ah;
2) The input power of AC 100 ~ 240V, DC 120 ~ 370V;
3) weight ≤ 100g; size 60mm × 35mm × 30mm;
4) The application of the ambient temperature -10 ~ 45 ℃.
4 Conclusion
Affect the service life of lead-acid batteries because no more than two-fold:
1) lead-acid hp hstnn-lb31 battery,hp pavilion zv6000 battery temperature changes in the environment when it is charging the demanding requirements of equipment. In the past, charging equipment design flaws, thus affecting the normal life of the battery.
2) lead-acid battery discharge, due to the use of equipment over the past charging inconvenient, causing the user can not add time to the battery power, the harm it causes is to make the battery life is much shorter.
1) lead-acid hp hstnn-lb31 battery,hp pavilion zv6000 battery temperature changes in the environment when it is charging the demanding requirements of equipment. In the past, charging equipment design flaws, thus affecting the normal life of the battery.
2) lead-acid battery discharge, due to the use of equipment over the past charging inconvenient, causing the user can not add time to the battery power, the harm it causes is to make the battery life is much shorter.