GREAT PLANES ElectriFly TRITON2 Manual - Página 8

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Battery "cycling" is the process of fully charging and then discharging a battery to a pre-determined cutoff point (or vice-versa).

Cycling is recommended only for NiCd and NiMH batteries (never for lithium or lead-acid batteries). Triton2 can perform

anywhere from one to ten cycles consecutively, as follows:

1. Decide if you want the battery to be discharged first (preferred if the battery is used often), or charged first (sometimes preferred if

the battery is new or has not been used for some time). Refer to the main menu flowchart and proceed.

2. To cycle a NiCd battery, press BATT TYPE to find the "NiCd CHARGE" screen. Rotate the dial to find either the "NiCd CHG TO

DSCH" or "NiCd DSCH TO CHG" screen (depending if you want to charge or discharge first) and skip to step 4.

3. To cycle a NiMH battery, press BATT TYPE to find the "NiMH CHARGE" screen. Rotate the dial to find the "NiMH CHG TO

DSCH" or "NiMH DSCH TO CHG" screen (depending if you want to charge or discharge first).

4. Two current values will show – one for

charge (Chg), and one for discharge

(Dsch). Press the dial to cause the first

current value to flash. It's very important

to note whether this is the charge (Chg)

or discharge (Dsch) current! Rotate the

dial to find the current you want. Press,

then rotate the dial to select the other

current value, and press the dial again to

confirm both settings. See the NiCd AND

NiMH CHARGE AND DISCHARGE

CURRENT CHART for recommended

charge and discharge currents.

5. To set the number of times the battery will be

cycled, press the dial until "1X" starts to flash.

Rotate the dial to adjust the cycle count as desired

("1X" to cycle one time, "10X" to cycle ten times,

etc.). Press the dial to confirm the cycle count.

6. To START CYCLING, press and hold the dial for 2

seconds. "BATTERY CHECK" will show briefly, and

cycling will start if the battery is in suitable condition, at

which time you'll see a screen like shown at right.

7. When all cycling is finished, "END" will show on-

screen. To see details about input, output, peak

charge, average discharge voltages, and capacity

values for all cycles performed, press BATT TYPE

and MENU CHANGE buttons simultaneously to

see the DATA VIEW screens (see page 12).

IMPORTANT CARE & HANDLING INSTRUCTIONS FOR LITHIUM-POLYMER BATTERIES

WARNING!! NEVER ATTEMPT TO CARE FOR LITHIUM-POLYMER (LiPo) OR LITHIUM-ION (Li-Ion) CELLS IN THE

SAME WAY AS OTHER BATTERY TYPES! LiPo and Li-Ion cells are much more sensitive and volatile than NiCd, NiMH or

lead-acid batteries. Misuse and overcharge can quickly result in LiPo/Ion cells getting hot and/or swelling, which could lead to

VIOLENT EXPLOSION AND/OR FIRE and serious personal injury and property damage. Do not mistake LiPo cells for other

lithium-based cell types (such as lithium-metal), as different lithium hybrids have different care and handling characteristics as

well. All "lithium" based batteries types are NOT exactly the same.

• NEVER leave lithium batteries unattended during charge.

• NEVER place lithium batteries on combustible surfaces during charge, such as wooden or plastic workbenches, paper,

carpet, cluttered areas, etc.

• NEVER attempt to use the NiCd, NiMH, or Pb functions with lithium batteries.

• NEVER continue to charge or use LiPo/Ion cells if they start to swell, become overly warm to the touch, or if they do not charge

within the specified charging time. Failure to follow this guideline could cause the battery to become hot, and explode or ignite!!

• NEVER discharge Li-Ion cells lower than 2.5V per cell.

• LiPo/Ion cells have an 8% self discharge rate, meaning they can hold charge very well. Thus, there is no need to trickle

charge LiPo/Ion cells. No cycling of lithium batteries is needed.

• LiPo/Ion cells should be charged about once per year at a minimum to prevent over-discharge.

• LiPo/Ion batteries should be stored with about 30%-50% of capacity.

• If LiPo/Ion cells leak fluid, rinse the affected area well with water and seek immediate medical care.

CYCLING NiCd OR NiMH BATTERIES

CHARGE PORTION OF CYCLE

Charge

Cycle

indication

Number

C>D 01 02712mAh

9.63V 1.0A 163min

Output

Charge

Voltage

Current

Notes for cycling NiCd and NiMH batteries:

• Periodic cycling of NiCd batteries (once every month or two) can be beneficial in keeping them in

good operating condition. Excessive cycling (more than once monthly) will unnecessarily shorten

the lifespan of the battery.

• A short time delay can be set to occur in-between the charge/discharge functions to allow the battery to

cool. This delay period can be adjusted from 1-60 minutes in the Setup Menu (see page 12).

• During cycle mode, the discharge cutoff voltage for NiCd and NiMH batteries is FIXED (not

adjustable) at 0.9V per cell.

• See the notes sections for NiCd/NiMH charge and NiCd/NiMH discharge for detailed information

regarding charges and discharges.

• Cell manufacturers note three main benefits of cycling NiCd and NiMH batteries:

1. Battery maintenance: NiCd batteries benefit the most from regular cycling to help keep them

in good operating condition, and is recommended once monthly. NiMH batteries do not

require as much cycling.

2. Determining battery condition: NiCd and NiMH batteries are rated by how much charge

energy or "capacity" they can store compared to their rated capacity. A battery that can

supply only a small fraction of its rated capacity is likely reaching the end of its useful life and

may need to be replaced.

3. Breaking-in batteries: new NiCd and NiMH batteries may need to be broken-in before they

will perform to their specifications. Older batteries which have been unused for an extended

length of time may require to be broken-in again to regain their usefulness. Repeated cycling

is the best way to revive such batteries.

DISCHARGE PORTION OF CYCLE

Charge

Discharge

Capacity

indication

Minutes

on charge

Voltage

Discharge

Cycle

Capacity

Number

D>C 01 02712mAh

9.63V 1.0A 163min

Output

Discharge

Minutes

Current

on dsch