What is a Deep Cycle battery?

Deep cycle batteries are designed for multiple, extended discharge/charge cycles. Deep cycle batteries can be discharged as much as 80% time after time and fully recover. This term generally refers to lead-based batteries designed with thicker lead plates than a standard automotive battery. Deep Cycle batteries provide outstanding performance in marine, RV, wheelchair/mobility and security applications.

Why use Rechargeable Lithium Ion batteries?

Li-ion (lithium ion) batteries use lithium compounds which are much more stable than the elemental lithium used in non rechargeable lithium batteries. A lithium battery should never be recharged while lithium-ion batteries are designed to be recharged hundreds of times. Rechargeable Lithium Ion batteries have a higher energy density than most other types of rechargeables. This means that for their size or weight they can store more energy than other rechargeable batteries. They also operate at higher voltages than other rechargeables, typically about 3.7 volts for lithium-ion vs. 1.2 volts for NiMH or NiCd. This means a single cell can often be used rather than multiple NiMH or NiCd cells. Lithium-ion batteries also have a lower self discharge rate than other types of rechargeable batteries. This means that once they are charged they will retain their charge for a longer time than other types of rechargeable batteries. NiMH and NiCd batteries can lose anywhere from 1-5% of their charge per day, (depending on the storage temperature) even if they are not installed in a device. Lithium-ion batteries will retain most of their charge even after months of storage.

Voltage and Amps Differences?

What is the difference in a charger where one is 24V 2.5amp and the other is 12V 5 amp?

Voltage is the force of the push on the electrons. In a light bulb, it will burn brighter at a higher voltage. In an electric motor, it will spin faster at a higher voltage.

Amperes is the flow rate of the electrons. In a battery, Amp hours or milliamp hours is the storage capacity of the cell in potential chemical energy. The higher the capacity or amp-hour rating, the more run time you will achieve. In a rechargeable battery, increased capacity also equates to increased charge times.

Watts, or power (P) is the multiplied elements of volts (V) and amps (I). P = V x I

So 24V, 2.5Ah and 12V, 5Ah, they BOTH produce 60 Watts of power.

The 24 volt will spin faster or burn brighter but for half the time.

The 12 volt will spin slower of burn dimmer but for twice the time.

How Long does a standard AA alkaline battery Last ?

How long does a AA last? I've seen some asking these question and well that really can't be answered by a single time frame and be true.
The truth is that batteries can last for months, even years if they are used in low drain devices such as your wall clock or your TV remote control. However, the same exact battery will last 10 to 20 minutes if you use it on a very high drain device such as a digital camera.

Type of Rechargeables

There are 3 types of Rechargeable batteries out there. Here is a summary of each type:

Nickel-cadmium battery (NiCd):
Used for motorized equipment and other high-discharge devices. NiCd batteries can withstand even more drain than NiMH; however, the mAh rating is not high enough to keep a device running for very long, and the memory effect is far more severe.

Nickel-metal hydride battery (NiMH):
Used for high-tech devices. NiMH batteries can last up to four times longer than alkaline batteries.

Rechargeable alkaline battery:
Uses similar chemistry as non-rechargeable alkaline batteries and are best suited for similar applications. Additionally, they hold their charge for years, unlike NiCd and NiMH batteries.