We had a customer that had a good question. For both charging and jumping I recommend using the one of the two batteries that is most accessible and let’s call it battery number #1.
 
Charging Procedure:
 
Attach the Positive lead from the charger to the Positive terminal of the number #1 battery. Then attach the Negative lead from the charger to [...]

Basically, there are three battery charger configurations–single bank, multi-bank and multi-station. A single bank charger is one that is designed to provide a single voltage to recharge a single battery or bank of batteries. It is by far the most widely used configuration. A multi-bank charger provides single voltages to multiple banks of batteries by [...]

If you are recharging Gel Cell batteries the battery manufacturer’s charging voltage is critical if you don’t want to ruin your battery. In most cases, standard deep-cycle chargers can not be used as the higher charging voltages and algorithms are different. This can cause damage to your battery greatly decreasing the life of the battery.

Timer chargers are honestly Simple chargers with a timer attached to them. So after a pre-determined time the charger would quit charging your battery.
Only problem with that is as the capacity of the battery is different it would only full charge a certain batch of batteries. If the battery capacity was lower than what the [...]

This is a common question. The key to this is “Yes you can” however, you must consider precautions when finding the right charger. Anyone that has had camcorders for a while knows that the manufactures seem to change the designs and shapes of the batteries like the wind.
On one hand it is necessary in order [...]

When it comes to choosing a battery charger, there are so many options that it can be intimidating to choose among them. Following a few rules will guarantee that you choose a battery charger that will meet your needs and provide top quality service for years to come. What are your requirements? What voltage are [...]

There are more than one type of charger. The charge current depends on the technology, chemistry, and capacity of the battery that is being charged. It’s obvious that you can’t charge your car battery with your cell phone charger. Some of the different types of chargers are; Simple, Timer-based, Intelligent, Fast, Solar, USB-based even hand-cranked [...]

Here is so information that may help you decide what charger is best for your batteries. There are two types of battery chargers: manual and automatic. Manual chargers constantly charge your battery therefore require constant supervision so you don’t damage your battery. I recommend getting an automatic charger since the charger automatically monitors the charge. [...]