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How Are Alkaline Batteries Used in RC ?
An alkaline battery is your standard 1.5-volt battery that is used up and thrown away. These are commonly used in low-end RC toys. Over time alkaline batteries become expensive to replace.
What Are NiCad Batteries?
Nickel Cadmium batteries are rechargeable cells that can replace alkaline batteries since they come in the same sizes (AAA, AA, C, D). NiCad batteries carry only a 1.2 volts-per-cell charge, but can be recharged hundreds of times. They're best used in RC cars and boats.
What Are NiMH Batteries?
Nickel Metal Hydride batteries are very similar to NiCads. They are rechargeable and provide 1.2 volts per cell. NiMH cells are lighter in weight than NiCad cells, but they are also more fragile. These cells are acceptable for RC planes but are better for cars and boats.
What Are LiPo Batteries?
Lithium Polymer batteries are the most popular cells for RC airplane and helicopter enthusiasts. These rechargeable batteries deliver 3.7 volts per cell, and are very lightweight compared to other batteries. LiPo packs can be recharged up to 500 times.
What Are A123 Batteries?
These Lithium Ion batteries have the same voltage as LiPo cells but can withstand a lot of abuse. These cells are larger and heavier then LiPo cells but they can be charged at high rates, which drastically cuts charging time.