Li-ion Battery, Suitable for Apple Ipod Nano5 with 250mAh Capacity and Shut-down Separator

Li-ion Battery, Suitable for Apple Ipod Nano5 with 250mAh Capacity and Shut-down Separator

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Basic Info

Payment Type:	Telegraphic Transfer (TT,T/T)

Product Description

Specifications:

Suit for Apple Ipod Nano5 battery
Capacity: 250mAh
Condition: 100% brand new
for iPod battery Nano5 250mAh with tool
Safety requirements
Li-ion batteries are not as durable as nickel metal hydride ornickel-cadmium designs, (citation needed) and can be dangerous ifmistreated
They may suffer thermal runaway and cell rupture if overheatedor overcharged
In extreme cases, these effects may be described asexplosive
Furthermore, over-discharge can irreversibly damagebattery
To reduce these risks, batteries generally contain a smallcircuit that shuts down when the battery moves outside the saferange of 3 to 4.2V
When stored for long periods, however, the small current drawnby the protection circuitry itself may drain the battery
Normal chargers are then ineffective
More sophisticated battery analyzers can recharge deeplydischarged cells by slow-
charging them to first reactivate the safety circuit and allowthe battery to accept charge Over-discharge can short-circuit thecell, in which case recharging can be unsafe

Other safety features are required:

Shut-down separator (for over-temperature)
Tear-away tab (for internal pressure)
Vent (pressure relief)
Thermal interrupt (over-current/overcharging)
These devices occupy useful space inside the cells, reducetheir reliability (citation needed), and irreversibly disable thecell when activated
They are required because the anode produces heat during use,while the cathode may produce oxygen
These devices and improved electrode designs reduce/eliminatethe risk of fire or explosion
These safety features increase costs compared to nickel metalhydride batteries, which require only a hydrogen/oxygenrecombination device (preventing damage due to mild overcharging)and a back-up pressure valve
Many types of lithium-ion cell cannot be charged safely below0°C
iPod and iPhone are trademarks of AppleInc.

Suit for Apple Ipod Nano5 battery

Capacity: 250mAh

Condition: 100% brand new

for iPod battery Nano5 250mAh with tool

Safety requirements

Li-ion batteries are not as durable as nickel metal hydride ornickel-cadmium designs, (citation needed) and can be dangerous ifmistreated

They may suffer thermal runaway and cell rupture if overheatedor overcharged

In extreme cases, these effects may be described asexplosive

Furthermore, over-discharge can irreversibly damagebattery

To reduce these risks, batteries generally contain a smallcircuit that shuts down when the battery moves outside the saferange of 3 to 4.2V

When stored for long periods, however, the small current drawnby the protection circuitry itself may drain the battery

Normal chargers are then ineffective

More sophisticated battery analyzers can recharge deeplydischarged cells by slow-

charging them to first reactivate the safety circuit and allowthe battery to accept charge Over-discharge can short-circuit thecell, in which case recharging can be unsafe

Shut-down separator (for over-temperature)

Tear-away tab (for internal pressure)

Vent (pressure relief)

Thermal interrupt (over-current/overcharging)

These devices occupy useful space inside the cells, reducetheir reliability (citation needed), and irreversibly disable thecell when activated

They are required because the anode produces heat during use,while the cathode may produce oxygen

These devices and improved electrode designs reduce/eliminatethe risk of fire or explosion

These safety features increase costs compared to nickel metalhydride batteries, which require only a hydrogen/oxygenrecombination device (preventing damage due to mild overcharging)and a back-up pressure valve

Many types of lithium-ion cell cannot be charged safely below0°C

iPod and iPhone are trademarks of AppleInc.

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