Commonly Used Terms
Commonly used terms
Final charge voltage:
the voltage at which the battery's charge limit
(capacity limit) is reached. The charge process switches from a high
current to a low maintenance rate (trickle charge) at this point. From
this point on further high current charging would cause overheating
and eventual terminal damage to the pack.
Final discharge voltage:
the voltage at which the battery's discharge
limit is reached. The chemical composition of the batteries determines
the level of this voltage. Below this voltage the battery enters the deep
discharge zone. Individual cells within the pack may become reverse
polarized in this condition, and this can cause permanent damage.
A, mA:
unit of measurement relating to charge or discharge
current.1000 mA = 1 A (A=Ampere,mA=Milliampere)
Ah, mAh:
unit of measurement for the capacity of a battery (Amperes
x time unit; h = hour). If a pack is charged for one hour at a current of 2
A, it has been fed 2 Ah of energy. It receives the same quantity of
charge (2 Ah) if it is charged for 4 hours at 0.5 A, or 15 minutes (=1/4
h) at 8 A.
'C'-rating:
Capacity is also referred to as the 'C' rating. Some battery
suppliers recommend charge and discharge currents based on the
battery 'C' rating. A battery's '1C' current is the same number as the
battery's rated capacity number, but noted in mA or amps. A 600mAh
battery has a 1C current value of 600mA, and a 3C current value of (3
x 600mA) 1800mA or 1.8A. The 1C current value for a 3200mAh
battery would be 3200mA (3.2A).
Nominal voltage(V):
The nominal voltage of the battery pack can be
determined as follows;
-.NiCd or NiMH: multiply the total number of cells in the pack by 1.2. A
8-cell pack will have a nominal voltage of 9.6 volts (8x1.2).
-.LiPo: multiply the total number of cells in the pack by 3.7. A 3-cell
LiPo wired in series will have a nominal voltage of 11.1 volts (3x3.7).
-.LiIo: multiply the total number of cells in the pack by 3.6. A 2-cell LiIo
wired in series will have a nominal voltage of 7.2 volts (2x3.6).
-.LiFe: multiply the total number of cells in the pack by 3.3. A 4-cell LiIo
wired in series will have a nominal voltage of 13.2 volts (4x3.3).
If the nominal voltage of the battery is not printed on the battery's label,
consult your battery manufacturer or supplier. Do not guess the rated
voltage of battery.
Warranty and Service
This charger is designed and approved exclusively for use with the types of
battery stated in this Instruction Manual. SkyRC accepts no liability of any
kind if the charger is used for any purpose other than that stated.
We are unable to ensure that you follow the instructions supplied with the
charger, and we have no control over the methods you employ for using,
operating and maintaining the device. For this reason we are obliged to
deny all liability for loss, damage or costs which are incurred due to the
incompetent or incorrect use and operation of our products, or which are
connected with such operation in any way.Unless otherwise prescribed by
law, our obligation to pay compensation, regardless of the legal argument
employed, is limited to the invoice value of those SkyRC products which
were immediately and directly involved in the event in which the damage
occurred.
Liability exclusion
Warranty and service
We guarantee this product to be free of manufacturing and assembly defects
for a period of one year from the time of purchase. The warranty only applies
to material or operational defects, which are present at the time of purchase.
During that period, we will repair or replace free of service charge for products
deemed defective due to those causes.
This warranty is not valid for any damage or subsequent damage arising as a
result of misuse, modification or as a result of failure to observe the procedures
outlined in this manual.
The warranty service is valid in China only.
If you need warranty service overseas, please contact your dealer in the
first instance, who is responsible for processing guarantee claims
overseas. Due to high shipping cost, complicated custom clearance
procedures to send back to China. Please understand SkyRC can't
provide warranty service to overseas end user directly.
If you have any questions which are not mentioned in the manual,
please feel free to send email to [email protected]
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