Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.

Specifications:

Battery Type: Li-ion
Color: black
Dimension: 211.40x70.60x22.30 mm
Capacity: 4400 mAh
Volt: 14.80 V
Replace battery part number:
4UR18650F-1-QC192, 4UR18650F-2-QC140, 4UR18650F-2-QC141, 916-2990,
916-3020, 916C2990, 916C3020, BT.00403.004, BT.00404.004, BT.00407.001,
BT.T5003.001, BT.T5003.002, BT.T5005.001, BT.T5005.002, BT.T5007.001,
BT.T5007.002, CGR-B/423AE, LC.BTP03.003, LC.BTP03.010, LIP-4084QUPC,
LIP-4084QUPC, SY6, LIP-8198QUPC, LIP-8198QUPC, SQU-401, LCBTP03003

This battery is also compatible with the following models :
ACER
Acer Travelmate 2300 2310 2313LCI 2355 4000 4100 4500 4600 series
ACER ASPIRE 1410, 1411, 1412, 1413, 1414, 1415 Series
ACER ASPIRE 1640, 1641, 1642 Series
ACER ASPIRE 1650, 1651, 1652, 1654 Series
ACER ASPIRE 1680,1681,1690 Series
ACER ASPIRE 1690, 1691, 1692, 1693, 1694, 1695 Series
ACER ASPIRE 3000,3002,3003,3005,3008,3009 Series
ACER ASPIRE 3500, 3500, 3502, 3503, 3505, 3508, 3509 Series
ACER ASPIRE 5000, 5001, 5002, 5003, 5004, 5005 Series
ACER ASPIRE 5510, 5512, 5513, 5514 Series
ACER ASPIRE 3000, 3000LC, 3000LCi, 3000LM, 3000LMi, 3000WLMi,
3001LC, 3001WLCi, 3001WLMi, 3002, 3002LC, 3002LCi, 3002LMi, 3002NLC,
3002NLCi, 3002NWLCi, 3002WLCi, 3002WLMi, 3002WLMi_CB, 3003, 3003LC,
3003LCi, 3003LMi, 3003WLCi, 3003WLM, 3003WLMi, 3004LMi, 3004WLMi, 3005,
3005LCi, 3005WLMi, 3008, 3009, 3500, 3500, 3502, 3503, 3505, 3508, 3509, 3630,
3660, 3680, 5000, 5001, 5002, 5003, 5004, 5005, 5510, 5512, 5513, 5514, 5620, 5670, 7100 , 9400
Travelmate 2300, 2301, 2302, 2303, 2304, 2305, 2306, 2308 Series
Travelmate 2310, 2312, 2313, 2314, 2318, 2319 Series
Travelmate 4000, 4001, 4002, 4004, 4005, 4009 Series
Travelmate 4010, 4011, 4012, 4015 Series
Travelmate 4020, 4021, 4022, 4024, 4025 Series
Travelmate 4060, 4061, 4062, 4064 Series
Travelmate 4100, 4101, 4102, 4103, 4104, 4106, 4150 Series
Travelmate 4500, 4501, 4502, 4503, 4504 Series
Travelmate 4600, 4601, 4602, 4603, 4604, 4650 Series
Travelmate 4670, 5100, 5600 2355, 2355LCi, 2430, 2460, 2480, 4070, 4210, 4220, 4270, 4654, 4654LMi,
Travelmate 4070 series, 4080 series, 4100 series, 4210 series, 4220 series, 4270 series,
ACER Aspire 1410
ACER Aspire 1681LCi
ACER Aspire 1681LMi
ACER Aspire 1681WLCI
ACER Aspire 1682LCi
ACER Aspire 1682WLCi
ACER Aspire 1682WLMi
ACER Aspire 1683WLMi
ACER Aspire 1684WLMi
ACER Aspire 1685WLMi
ACER Aspire 1689WLMi
ACER Aspire 1690 ACER Aspire 1691WLMi ACER Aspire 3000
ACER TRAVELMATE 2300 SERIES
ACER TravelMate 2301LC
ACER TravelMate 2301LCi
ACER TravelMate 2301LM
ACER TravelMate 2301LMi
ACER TravelMate 2301WLMi
ACER TravelMate 2301WLMi Pro
ACER TravelMate 2301XC
ACER TravelMate 2302LC
ACER TravelMate 2302LCi
ACER TravelMate 2302LMi
ACER TravelMate 2303LC
ACER TravelMate 2303LCi
ACER TravelMate 2303LCi-855-XPP
ACER TravelMate 2303LCi-XPP
ACER TravelMate 2303LM
ACER TravelMate 2303LMi
ACER TravelMate 2303NLC
ACER TravelMate 2303WLCi-855-XPH
ACER TravelMate 2303WLCi-855-XPH-FR
ACER TravelMate 2303WLCI-XPH
ACER TravelMate 2303WLCI-XPH-F
ACER TravelMate 2303WLMi ACER TravelMate 2303WLMi Pro
ACER TravelMate 2304LC
ACER TravelMate 2304LCi
ACER TravelMate 2304LMi
ACER TravelMate 2304WLCi
ACER TravelMate 2304WLMi
ACER TRAVELMATE 4000 SERIES
ACER TravelMate 4001LMi
ACER TravelMate 4001WLMi
ACER TravelMate 4002LMi
ACER TravelMate 4051LMi ACER TravelMate 4100
ACER TravelMate 4100 Series
ACER TravelMate 4101LMi
ACER TRAVELMATE 4500 SERIES
ACER TravelMate 4501ALCi
ACER TravelMate 4501LCi
ACER TravelMate 4501LMi
ACER TravelMate 4501WLC
ACER TravelMate 4501WLCi
ACER TravelMate 4501WLMi
ACER TravelMate 4502ALCi
ACER TravelMate 4502LCi
ACER TravelMate 4502LMi
ACER TravelMate 4502WLCi
ACER TravelMate 4502WLMi
ACER TravelMate 4504LMi
ACER TravelMate 4600
ACER TravelMate 4600 Series
ACER TravelMate 4601LCi
ACER TravelMate 4601WLMi
ACER TravelMate 4602WLMi.

Understanding your 8 Cell Acer ASPIRE 1642 LIP-4084QUPC SY6 battery  Needs

What is the run time of  8 Cell Acer ASPIRE 1642 LIP-4084QUPC SY6 battery ?

laptop batteries have two main ratings on them: Volts and Amperes. Because size and weight of laptop batteries is limited when compared to larger batteries such as car batteries, most companies show their ratings with Volts and Milliamperes. One thousand Milliamperes equals 1 Ampere. When buying a battery, select batteries with the most Milliamperes (or mAh). Batteries are also rated by Watt-Hours, perhaps the simplest rating of all. This is found by multiplying the Volts and the Amperes together. For example:

14.4 Volts, 4000mAh (Note: 4000mAh is equal to 4.0 Amperes).

14.4 x 4.0 = 57.60 Watt-Hours

Watt-Hours signifies the energy needed to power one watt for one hour. This laptop battery can power 57.60 watts for one hour. If your laptop runs at 20.50 watts, as an example, this laptop battery could power your laptop for 2.8 hours.

How can I maximize the performance of my 8 Cell Acer ASPIRE 1642 LIP-4084QUPC SY6 battery?

There are several steps you can take to help you get maximum performance from your laptop battery:

Prevent the Memory Effect - Keep the laptop battery healthy by fully charging and then fully discharging it at least once every two to three weeks. Exceptions to the rule are Li-Ion batteries which do not suffer from the memory effect.

Keep the laptop Batteries Clean - It’s a good idea to clean dirty battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the battery and the portable device.

Exercise the Battery - Do not leave the battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks. If a laptop battery has not been used for a long period of time, perform the new battery break in procedure described above.

Battery Storage - If you don’t plan on using the laptop battery for a month or more, store it in a clean, dry, cool place away from heat and metal objects. NiCad, NiMH and Li-Ion batteries will self-discharge during storage; remember to recharge the batteries before use.

Upgrade my 8 Cell Acer ASPIRE 1642 LIP-4084QUPC SY6 battery from NiMH to Li-Ion

NiCad, NiMH and Li-Ion laptop batteries are all fundamentally different from one another and cannot be substituted unless the laptop has been pre-configured from the manufacturer to accept more than one type of battery chemistry. Please refer to your manual to find out which rechargeable battery types the laptop device supports or use our Battery Finder above to find all the compatible laptop batteries for your device. It will automatically list all of the battery chemistries supported by your specific device. If your device does allow you to upgrade the battery from NiMH to Li-Ion, you will typically get longer run times.

For example, if your laptop uses a NI-MH battery that is 9.6 Volts, 4000mAh and the new li-ion laptop battery is 14.4 Volt, 3600mAh, then you will obtain longer run time with the li-ion battery.

Example.

Li-Ion: 14.4 Volts x 3.6 Amperes = 51.84 Watt Hours
Ni-MH: 9.6 Volts x 4 Amperes = 38.4 Watt Hours
The Li-Ion is stronger and has longer run time.