Confirming Charge Current - UltraPower UP616 Instruction Manual

Confirming Charge Current
It is critically important to understand the maximum charging current for the battery
pack to be charged. Excessive charge current can significantly reduce the life of a
battery, or in severe cases a fire or explosion.
The charge and discharge current of a lithium battery is determined by its "C"
rating. Most batteries indicate the C rating of the pack on the main label. Multiply
the C rating of the battery pack by the capacity to determine the safe and proper
charge current. For example, a 1000mAh battery with a 5C rating means that the
maximum charge rate should be 1000 (capacity in milliamps) X 5 (C rating) = 5,000
mAh. Therefore, the maximum charge rate for a 1000mAh 5C lithium battery
should be 5A (5,000mAh).
If it is not possible to determine the C rating, please assume that the pack is 1C and
use that value to calculate a safe charge rate. Keep in mind that batteries vary, and
therefore charging times will vary.
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