When buying a car battery, each driver wants to find a reliable battery for his car, because you have to drive not only in the summer, but also in severe frosts. An excellent option for modern richly equipped with electronics cars will be a battery for 70 a / h.
Content
How much does a battery weigh 70 a / h
Choosing a car "battery" few people think about how much it weighs, but in vain. It is from this indicator that the reliability and durability of the product’s operation sometimes depend, and therefore how long the machine will start “without problems”.
Batteries of 70 a / h weigh a lot to determine the weight, just look at the parameters written on the manufacturer’s sticker on each product. This indicator is formed from three parameters: the weight of the plastic case itself, the amount of electrolyte and lead used in the manufacture. Different manufacturers may have different model weights.
So, the lead-acid battery of each starter battery with 6 cans (6 st) with a capacity of 70 a / h on average weighs 18.2 kg, if weighed without electrolyte, then 14.8 kg. At the same time, plastic accounts for 5% to 7%, lead - 75% - 80%, electrolyte - 16% -20%. However, for some manufacturers this indicator may be different, for example, Banner produces units weighing 17.2 kg and 18.2 kg, Bost - 17.2 kg and 18.3 kg.
Battery Dimensions and Terminal Options
So that installing a power source under the hood of the machine does not cause problems, it is necessary to take into account the size of the battery. The dimensions of the car battery are 70 a / h and meet certain standards.
| Standard | Long mm | Width mm | Height mm |
|---|---|---|---|
| European | 174-241 | 174 | 174-189 |
| American | 174-241 | 174 | 174-189 |
| Asian | 186-260 | 126-174 | 189-226 |
Types of terminals can be as follows:
- Standard. Plus 19.5 mm, minus 17.9 mm;
- Asian. Type ASIA, positive 12.7 mm and negative 11.1 mm;
- American DIN type, screwed to the front of the battery, not the top.
Standard (European) are of opposite polarity, plus is always large. The terminals are located along a long upper plane. Asian similar to the standard, but a little thinner. American have a helical shape, are located on the sides of the upper plane.
How much electrolyte in the battery is 70 a / h
Given that the volume of the electrolyte to be filled is from 16% to 20% of the total mass of a 12 V battery, its weight is about 3.4 kg. Moreover, the fullness of the cans should not be "to the eyeballs." Upon receipt of a charge in the volume, the electrolyte increases, so there should be space in the banks. Topping up electrolyte is guided by labels, “reeds” that are inside - they are slightly hidden by liquid.
What current charges the battery 70 a / h
Using any charger at home, the battery can only be charged at 90% - 97%. Specialized organizations allow to “fill” a 12V battery with up to 105%, which is not always advisable.
Any lead-acid aggregate is charged with direct current. Today, there are three ways to charge:
- use of asymmetric current - one hundredth of a second a voltage of 14.2 V is applied, then the same time - 3.6 V, reversing the polarity;
- pulse current application - similar to the asymmetric supply of pulses, but in this case there is a “rest” time when the current supply is not performed, that is, there is no charge;
- step change - the charge voltage varies from 12.6 V to 14.6 V.
The first method allows you to activate the process in banks desulfationmainly used for old products.Pulse feed is most often used at the end of charging, when the charge capacity reaches the bar 90% - 95% of the nominal. The third type allows you to recharge the battery "quickly", but not for long, which leads to rapid wear, so it is used extremely rarely.
When applying a current equal to 10% of the nominal battery capacity of 70 amperes of hours, the current is supplied no more than 7 amperes, hence the charge time of 10 hours. Charging up to two days, involves the use of current less than 7 amperes. With a larger supply of current, the charging time should not exceed 5 hours.
For which cars is the battery 70 a / h suitable
Given the large battery capacity of 70 a / h, it is clear that the units are quite powerful. The issued 12 volt charge allows you to use similar models for powerful cars. For domestic "Lada" it will clearly be "superfluous". However, for powerful cars - just right. At the same time, this model will be rather weak for trucks.
Most often they are equipped with cars with a gasoline engine up to 3 liters or a diesel engine up to 2.5 liters with a lot of electronics. If the battery is made by technology Agm or Efb, you can use it in a car with a start-stop system.
Which battery 70 a / h to choose and what to look for
When buying a battery, first of all, you need to look at the brand of the manufacturer, the best for today are: Delkor, Bosch, Multu, Varta, Tab, Totachi, AkTex, Atlas, Gigawatt, Renault Hi-LIFE, FB 9000. Next, pay attention to the technical characteristics of the model, choosing the right dimensions, type of terminals, current strength and be sure to see the release date - the older the product, the worse.
If the car is equipped with a Start / Stop system, then you need to take an AGM or EFB battery. The higher the cold-scroll current, the less often it will take to be charged and it will be easier to start in cold weather, although the higher the starting current, the more expensive the battery.
Did you have or have 70 Ah battery? Then tell us in the comments about your impressions about it and what car it was on, it will help other motorists a lot and will make the material more complete.
Reviews
Ivan Alekseevich, 65 years old, Murmansk
Furukawa Battery, as it seems to me, is one of the most serious battery manufacturing companies. My last battery of 70 a / h lasted 7 years!
Anatoly Konstantinovich, 50 years old, St. Petersburg
Varta 70 a / h is my ninth year, is on an old Belgian diesel engine. True, one day in the winter I had to warm it and charge it, but these comrades are not at all a problem with such a lifetime! Awesome battery - I advise all owners of "large cars.
