LiPo 7.4V 800mAh Battery for M4/M16 Stock Slides

Lithium-Ion-Polymer (LiPo)
packs are successors to the known Lithium-Ion (LiIon)
packs. The basic advantage of LiPo is undoubtedly the
ratio of capacity to size. The packs are of very small size whilst maintaining
a very large electric efficiency, which allows for the choosing of an
appropriate pack for practically every AEG replica. They do not feature memory
effect.  Can be charged very frequently,
without the need to be fully discharged. Frequent charging is beneficial for
every type of a battery.

It is crucial to remember not to discharge a LiPo
pack to a level of less than 3 V per cell and not to overcharge over
4.2 V per cell. Another advantage of LiPo packs
is a small percentage rate of self-discharge. An unused pack will lose
approximately 3 – 5% of energy per month. It is important to pay attention to
an unused pack as there is a risk that as a result of not being used over a
prolonged period of time it can be discharged beneath the acceptable minimal
value (3 V per cell) and inadvertent chemical reactions may occur, which lead
to a deterioration of the pack’s properties including a permanent damage and,
in extreme cases, fire. An unused LiPo pack should be
charged to an average of 70%.

Properly used, a LiPo pack has an exploitation period
of on average 500 – 700 cycles. An important factor is the temperature that LiPo packs can work
in. In contrast to other batteries, LiPo cells
perform well at low temperatures.  However, they should be charged at room
temperature. In order to maintain the good condition of LiPo
batteries, it is required to balance them during charging with a service
connector, which most LiPo packs have (a good LiPo charger features an inbuilt balancer).

Usage of Li-Po Batteries (PDF)