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damo
Kingston upon hull, UK

Contributor
Forum Posts: 243
Member Since:
2011/10/16
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1
2012/01/10 - 00:41
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With regards to the battery type that the Arnova 10g2 has here is some tips for usage. The Arnova 10g2 has the 3rd type in the table Lithium!


When I first got mine I was a bit puzzled at to how to charge etc so this should help people

 

Frequently
asked question

Lead acid
(Sealed, flooded)

Nickel-based
(NiCd and NiMH)

ARNOVA 10G2

Lithium-ion
(Li-ion, polymer)

How should I prepare a new battery?

Battery comes fully charged. Apply topping charge

Charge 14–16h. Priming may be needed

Apply a topping before use. No priming needed

Can I damage
a battery with incorrect use?

Yes, do not store partially charged, keep fully charged

Battery is robust and the performance will improve with use

Keep some charge. Low charge can turn off protection circuit

Do I need to apply a full charge?

Yes, partial charge causes sulfation,

Partial charge is fine

Partial charge better than a full charge

Can I disrupt a charge cycle?

Yes, partial charge causes no harm

Interruptions can cause heat buildup

Partial charge
causes no harm

Should I use up
all battery energy before charging?

No, deep discharge wears battery down. Charge more often

Apply scheduled discharges only to prevent memory

Deep discharge wears the battery down

Do I have to worry about “memory”?

No, there is no memory

Discharge NiCd every 1–3 months

No memory

How do I calibrate a “smart” battery?

Not applicable

Apply discharge/charge when the fuel gauge gets inaccurate. Repeat every 1–3 months

Can I charge with the device on?

Some UPS systems simultaneous charge and deliver current.

It's best to turn the device off during charge; parasitic load can alter full-charge detection and overcharge battery or cause mini-cycles

Must I remove the battery when full?

Depends on charger; needs correct float V

Remove after a few days in charger

Not necessary; charger turns off

How do I store
my battery?

Keep cells above 2.10V, charge
every 6 months

Store in cool place;
a total discharge causes no harm

Store in cool place partially charged, do not fully drain

Is the battery allowed to heat up during charge?

Battery may get lukewarm towards the end of charge

Battery gets warm but must cool down on ready

Battery may get lukewarm towards the end of charge

How do I charge when cold?

Slow charge (0.1): 0–45°C  (32–113°F)
Fast charge (0.5–1C): 5–45°C (41–113°F)

Do not charge
below freezing

Can I charge at hot temperatures?

Above 25°C, lower threshold by 3mV/°C

Battery will not fully charge when hot

Do not charge
above 50°C (122°F)

What should I know about chargers?

Charger should float at 2.25–2.30V/cell when ready

Battery should not get too hot; should include temp sensor

Battery must stay cool; no trickle charge when ready

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