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Accucharger, Ladegeräte, Lader, Erhaltungsladegeräte
Charging the car battery after the winter cold - that´s how it works!
Battery-tip: Charging inside the vehicle.
After the sometimes extreme low temperatures of February/March, the optimal time for a battery check and an external equalisation charge has now come. At the latest when the tyres are changed in spring.
That´s how you do it right!

The next two points apply to conventional wet batteries, including EFB technology.


– Before charging, check the electrolyte level and top up if necessary with deionized or distilled water to the maximum acid level mark or to 15 mm above the upper edge of the plates.

- The battery screws must not remain open during charging and should be closed again.


Running Bull AGM/BackUp. AGM batteries may not be opened. Acid density measurement and topping up with distilled water are neither possible nor necessary.


– Batteries must only be charged with direct current. Connect the positive (+) battery terminal to the positive (+) terminal of the charger, and the negative (-) battery terminal to the negative (-) terminal of the charger.
– Do not switch on the charger until after the battery has been connected. When charging is finished, switch off the charger before disconnecting the battery.
– It is recommended that the charging current be equal to one tenth of the capacity. (e.g. 44 Ah divided by 10 = 4.4 A charging current). With an automatic charger such as the Banner Accucharger, this setting is automatic, as the name suggests. 
– The temperature of the acid must not exceed 55 °C during charging. If the temperature rises above 55 °C, the charging process must be discontinued.
– Charging is finished if the current drops to 0 or stops falling, or if the automatic charger switches off.
– Charging must be performed in a well-ventilated room.

Caution: Detonating gas is formed during charging! Fires, sparks, open flames and smoking are strictly prohibited!


Running Bull AGM/BackUp: Only recharge with a voltage controlled Banner Accucharger (max. 14.8V)! The use of standard, non-voltage controlled chargers will destroy the battery through overloading and cause the electrolyte to escape!


Further valuable tips regarding Banner batteries in compact form - see Technical Guide (page 46 charging tips).



Recharging batteries in the vehicle.
As a rule, fully automatic chargers (max. charging voltage 14.8V) are well suited to the charging of batteries installed in the vehicle. Should the charger have an automatic mode with > 15.9V voltages, the battery must be separated from the vehicle electrical system or removed from the vehicle. Otherwise, in a worst-case scenario the installed control devices can be destroyed due to overvoltage with huge resultant damage.
Please take careful note of the battery charger type. Useful tips regarding charging in the vehicle are often contained in the operating instructions of the vehicle manufacturer or those of the charger producer.


AGM = Absorbent Glass Mat, which absorbs the battery acid and thus binds it in.
EFB = Enhanced Flooded Battery, the cycle-resistant starter battery.

Eight facts about batteries that you quite possibly don’t know!
An increasing number of electrical/electronic comfort and additional consumers provide you with a more pleasant and environment-friendly drive.
However, this presupposes the presence of a powerful starter battery that will reliably furnish your car with the necessary starting power and energy for its electrical system.

1. The no.1 breakdown cause.
According to the automobile clubs, with approximately 39 per cent defects in vehicle electrical systems and electronics caused by weakening batteries represent the most frequent cause of breakdowns. The reasons often relate to the heavy burden emanating from a large number of electrical consumers and insufficient battery management.


2. The heart of the vehicle electrical system and electronics.
Stationary heating, start-stop systems and braking energy recuperation all mean that vehicle electrics are becoming increasingly complex, and require starter and electrical system supply batteries with greater cyclical resistance. 


3. Sort trips, more electricity.
During short drives, your car frequently needs more electrical energy than the dynamo can produce and recharge.


4. Always on (digital networking in the vehicle).
Safety and comfort functions such as anti-theft alarms, coming and leaving home functions all need electrical current, even when the vehicle has been parked.


5. Short service life.
In the case of extreme heat or long standstills, the battery suffers from self-discharge and its life is shortened.
6. Sub-zero temperatures cost energy.
Battery performance declines in step with falls in temperature. Moreover, during the winter additional electrical consumers such as seat, stationary and rear window heating all require large amounts of energy.


7. Heavy labour for your comfort.
Ventilation, seat and stationary heating, and infotainment mean that modern cars not only use the battery for starting, but to an increasing degree as a source of electrical system power.


8. Energy for the environment.
Braking energy recuperation and start-stop systems make modern cars far more environment-friendly through sustained reductions in fuel consumption and CO2 emissions. However, a fundamental prerequisite in this regard is an extremely cycle-resistant Banner Running Bull start-stop battery that reliably supplies top performance for start after start and drive after drive.  


PS: Keyword sustainability. 

PDF With Banner’s long-serving, start-stop batteries, both fuel consumption and CO2 emissions can be cut, and thus environmental impact reduced.

Moreover, Banner also provides the complete environmentally protective recycling of used batteries.

AGM and EFB battery - what´s the difference?
What exactly is the difference between AGM and EFB technology?
Basically, depending on energy needs and the requirements with regard to vibration and cycle resistance, two differing battery technologies are employed for vehicles with automatic start/stop systems.
Moreover, the choice of technology depends largely on the vehicle’s electrical equipment and the price range.

1. By and large, AGM technology (Running Bull AGM) is employed for start/stop systems with maximum energy requirements and braking energy recuperation.
Within this context, in particular the Running Bull AGM is the optimum solution for mid-range to premium and luxury class vehicles.

AGM = Absorbent Glass Mat; which absorbs the battery acid and thus binds it in.


2. EFB technology (Running Bull EFB) is used primarily for start/stop systems with a high energy requirement.
The Running Bull EFB battery is first and foremost the ideal solution for everything from small to upper mid-range cars.  

EFB = Enhanced Flooded Battery, the cycle-resistant starter battery.


Please take very careful note of these tips during battery exchanges!

Warning! Under no circumstances install a conventional wet battery in a vehicle with a start/stop function, which in serial production has been fitted with an AGM or EFB battery. Should an exchange be necessary, only use an AGM or EFB battery with an identical box and in the same performance class. 


Banner tip! An EFB battery can be upgraded to a more powerful and cycle-resistant Running Bull AGM battery in H5/L2 (60Ah), H6/L3 (70Ah) and H7/L4 (80Ah) boxes.


PDF AGM battery exchange (AGM - AGM) 

PDF EFB battery exchange (EFB - EFB or AGM upgrade)


PDF Banner Running Bull batteries are the perfect answer for all vehicles with start/stop technology systems. Therefore, save fuel and CO2 emissions, and reduce environmental impact with sustainable start/stop batteries from Banner.


AGM = Absorbent Glass Mat, which absorbs the battery acid and thus binds it in. 

EFB = Enhanced Flooded Battery, the cycle-resistant starter battery.

Giving a jump start - that´s how it works!
Battery-tip: Giving a jump start.
You can always rely on a well-maintained Banner battery, but what happens when a neighbour has starting problems? You naturally want to help and provide quick and simple assistance.
That´s how you do it right!

However, one thing should be noted from the outset. Namely, that in view of the sensitive electronic components in the vehicle, as a rule starting assistance should only be given by means of a Banner Booster. This is because start assistance from vehicle to vehicle can lead to voltage peaks during the disconnection of the terminals, which can damage or even destroy car electronic systems.


Therefore, it is essential that the following procedure be strictly observed when using starter cables!
– Standardised starter cables (e.g. in accordance with DIN 72 553) should always be used when giving starting assistance.
– Observe the instructions for the use of the starter cables.
– Only connect batteries with the same nominal voltage.
– When connecting the terminals, switch off both vehicle engines!
First connect the two positive terminals (1) with (2). Then connect the negative terminal of the assisting vehicle (3) with (4), the blank metallic point on the vehicle requiring assistance, away from the battery. (Observe the instructions of the vehicle manufacturer.)
– Now start the vehicle needing assistance for a maximum of 15 seconds. Do not start the assisting vehicle.
– When disconnecting the terminals, remove the cables in the reverse sequence to the above.


PS: The car battery is not always installed in the engine compartment, but can also be located in the interior/passenger compartment or luggage compartment. The procedure of the jump start remains unchanged!


PDF Even if your car has given up the ghost, a Banner Booster is certain to help.
What can one do when everything is dead? Banner Boosters supply mobile power at any time and anywhere. These portable starting devices are constantly ready for quick and uncomplicated operation. They are ideal for transportation in the boot and also offer versatility in the leisure area, as an energy source for coolers, televisions and other electrical equipment.


PDF Jump Start Graphic