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Battery replaces VGP-BPS21A for SONY VAIO VPCF VPCS VPCY Series - Li-ion 3500mah

New Sony VGP-BPS21A Laptop Battery Replacement

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  • Condition:Brand New
  • SKU: EPSN071
  • Capacity:3500mah
  • Voltage: 10.8V
  • Battery Type:Li-ion
  • Color:black
  • Warranty: Full 12 Months Warranty and 30 Days Money Back
  • Availability: in stock
  • Orders ship out in 1 - 2 business days
    Reliable SONY VAIO VPCF VPCS VPCY Series spare battery for your device
    Well-constructed for simple exchange
    Full functionality and compatibility with your SONY VAIO VPCF VPCS VPCY Series
    Reliable and modern Li-Ion technology - no memory effect
    Replaces Sony VGP-BPS21A
Our Price:£104.77 £125.72
Quantity:
Warranty

VGP-BPS21A 3500mah Battery Replacement for SONY VAIO VPCF VPCS VPCY Series

• High quality battery replacement
• Perfect for replacing your aged, damaged and non-working battery

High-quality Sony VGP-BPS21A battery for your device

If you're looking for a compatible and cost-effective Sony VGP-BPS21A battery, you're in the right place.

Our rechargeable batteries are designed to the highest standards, meaning they have a very long service-life. In addition the battery is precision-fit for your SONY VAIO VPCF VPCS VPCY Series, making it a cost-effective alternative to the original equipment manufacturer's product - without compromising on quality.

Especially practical: The battery can be charged with the original charger or another compatible charger.

Specifications:

Condition Brand New
SKU EPSN071
Brand Sony
Battery Type Li-ion
Capacity 3500mah
Voltage 10.8V
Model Number VGP-BPS21A
Material flame-proof ABS + PC
Over voltage & current protection
Better safety, longer standby time & longer battery life

Sony VGP-BPS21A Battery purchase Notes:


When buying A Replacement Battery, please carefully compare your original battery against the new one. Always check the specs!
Compare the Specifications
Check the battery Shape
Check the battery Mounts
Check the battery Part Number and Voltage
Check the battery Connection

Please press 'Ctrl+F' to search for your part number/machine model.

Sony VGP-BPS21A Laptop Battery Compatible Part Numbers:

Sony VGP-BPS21A Laptop Battery Fit Laptop Machine Models:

SONY Vaio VGN-AW Series
VAIO VGN-AW15G/H, VAIO VGN-AW17GU/Q, VAIO VGN-AW19/Q, VAIO VGN-AW25GJ/H, VAIO VGN-AW27GY/Q, VAIO VGN-AW35GJ/H, VAIO VGN-AW37GY/Q, VAIO VGN-AW47GH/Q, VAIO VGN-AW21M/H, VAIO VGN-AW21Z/B, VAIO VGN-AW21S/B, VAIO VGN-AW21XY/B, VAIO VGN-AW21Z/B, VAIO VGN-AW31M/H, VAIO VGN-AWS/B, VAIO VGN-AW31XY/Q, VAIO VGN-AW31ZJ/B, VAIO VGN-AW41MF, VAIO VGN-AW41MF/H, VAIO VGN-AW41XH, VAIO VGN-AW41XH/Q, VAIO VGN-AW120J/H, VAIO VGN-AW170Y/Q, Vaio VGN-AW230J/H, Vaio VGN-AW235J/B, Vaio VGN-AW290JFQ, Vaio VGN-AW310J/H, Vaio VGN-AW350J/B, VAIO VGN-AW41MF/H, VAIO VGN-AW41XH/Q, VAIO VGN-AW41ZF/B, Vaio VGN-AW420F/H, Vaio VGN-AW450F/H

SONY Vaio VGN-BZ Series
Vaio VGN-BZ12EN, Vaio VGN-BZ15GN, Vaio VGN-BZ21VN, Vaio VGN-BZ21XN, Vaio VGN-BZ31VT, Vaio VGN-BZ31XT, VAIO VGN-BZ562NAB, Vaio VGN-BZ570NAB

SONY Vaio VGN-CS Series
VAIO VGN-CS11S/P, VAIO VGN-CS11S/Q, VAIO VGN-CS11S/W, VAIO VGN-CS11Z/R, VAIO VGN-CS11Z/T, VAIO VGN-CS13H/P, VAIO VGN-CS13H/Q, VAIO VGN-CS13H/R, VAIO VGN-CS13H/W, VAIO VGN-CS13T/W, VAIO VGN-CS15GN/B, VAIO VGN-CS16G/Q, VAIO VGN-CS16T/P, VAIO VGN-CS16T/Q, VAIO VGN-CS16T/R, VAIO VGN-CS16T/T, VAIO VGN-CS16T/W, VAIO VGN-CS17H/Q, VAIO VGN-CS17H/W, VAIO VGN-CS19/P, VAIO VGN-CS19/Q, VAIO VGN-CS19/R, VAIO VGN-CS19/W, VAIO VGN-CS21S/P, VAIO VGN-CS21S/R, VAIO VGN-CS21S/T, VAIO VGN-CS21S/V, VAIO VGN-CS21S/W, VAIO VGN-CS21Z/Q, VAIO VGN-CS23G, VAIO VGN-CS23G/P, VAIO VGN-CS23G/Q, VAIO VGN-CS23G/W, VAIO VGN-CS23H, VAIO VGN-CS23H/B, VAIO VGN-CS23H/S, VAIO VGN-CS23T/Q, VAIO VGN-CS23T/W, VAIO VGN-CS25H, VAIO VGN-CS25H/C, VAIO VGN-CS25H/P, VAIO VGN-CS25H/Q, VAIO VGN-CS25H/R, VAIO VGN-CS25H/W, VAIO VGN-CS25GN/B, VAIO VGN-CS26G/P, VAIO VGN-CS35GN/B, VAIO VGN-CS36GJ/J, VAIO VGN-CS21S/P, VAIO VGN-CS21S/R, VAIO VGN-CS21S/T, VAIO VGN-CS21S/V, VAIO VGN-CS21S/W. VAIO VGN-CS21Z/Q, VAIO VGN-CS260DQ, VAIO VGN-CS260DW, VAIO VGN-CS26GW, VAIO VGN-CS26T/C, VAIO VGN-CS26T/P, VAIO VGN-CS26T/Q, VAIO VGN-CS26T/R, VAIO VGN-CS26T/T, VAIO VGN-CS26T/V, VAIO VGN-CS26T/W, VAIO VGN-CS27, VAIO VGN-CS27/C, VAIO VGN-CS27/P, VAIO VGN-CS27/R, VAIO VGN-CS27/W, VAIO VGN-CS28, VAIO VGN-CS28/Q, VAIO VGN-CS2CN1, VAIO VGN-CS31S/P, VAIO VGN-CS31S/Q, VAIO VGN-CS31S/R, VAIO VGN-CS31S/T, VAIO VGN-CS31S/V, VAIO VGN-CS31S/W, VAIO VGN-CS31Z/Q, VAIO VGN-CS110E/S, VAIO VGN-CS33H, VAIO VGN-CS33H/B, VAIO VGN-CS33H/Z, VAIO VGN-CS35GNB, VAIO VGN-CS36GJ/C, VAIO VGN-CS36GJ/I, VAIO VGN-CS36GJJ, VAIO VGN-CS36GJ/P, VAIO VGN-CS36GJ/Q, VAIO VGN-CS36GJ/R, VAIO VGN-CS36GJ/T, VAIO VGN-CS36GJ/U, VAIO VGN-CS36GJ/W, VAIO VGN-CS36H, VAIO VGN-CS36H/C, VAIO VGN-CS36H/P, VAIO VGN-CS36H/Q, VAIO VGN-CS36H/R, VAIO VGN-CS36H/W, VAIO VGN-CS36TJ/C, VAIO VGN-CS36TJ/J, VAIO VGN-CS36TJ/P, VAIO VGN-CS36TJ/Q, VAIO VGN-CS36TJ/R, VAIO VGN-CS36TJ/T, VAIO VGN-CS36TJ/U, VAIO VGN-CS36TJ/V, VAIO VGN-CS36TJ/W, VAIO VGN-CS39, VAIO VGN-CS39/J, VAIO VGN-CS39/U, VAIO VGN-CS50B/W, VAIO VGN-CS51B/W, VAIO VGN-CS52JB/W, VAIO VGN-CS60B/P, VAIO VGN-CS60B/Q, VAIO VGN-CS60B/R, VAIO VGN-CS61B/P, VAIO VGN-CS61B/Q, VAIO VGN-CS61B/R, VAIO VGN-CS62JB/P, VAIO VGN-CS62JB/Q, VAIO VGN-CS62JB/R, VAIO VGN-CS71B/W, VAIO VGN-CS72JB/W, VAIO VGN-CS90HS, VAIO VGN-CS90NS, VAIO VGN-CS90S, VAIO VGN-CS91HS, VAIO VGN-CS91NS, VAIO VGN-CS91S, VAIO VGN-CS92DS, VAIO VGN-CS92JS, VAIO VGN-CS92XS, VAIO VGN-CS190JTP, VAIO VGN-CS190JTQ, VAIO VGN-CS190JTT, VAIO VGN-CS190JTR, VAIO VGN-CS190JVQ/C, VAIO VGN-CS190JVW/C, VAIO VGN-CS190EUP, VAIO VGN-CS190EUQ, VAIO VGN-CS190EUR, VAIO VGN-CS190EUW, VAIO VGN-CS220DP, VAIO VGN-CS220DQ, VAIO VGN-CS220DR, VAIO VGN-CS220DT, VAIO VGN-CS220DW, VAIO VGN-CS260DQ, VAIO VGN-CS260DW, VAIO VGN-CS280J/R, VAIO VGN-CS290JDB, VAIO VGN-CS290JEC, VAIO VGN-CS290JEP, VAIO VGN-CS290JEQ, VAIO VGN-CS290JER, VAIO VGN-CS290JEW, VAIO VGN-CS290NCB, VAIO VGN-CS290NFB, , VAIO VGN-CS310J/P, VAIO VGN-CS310J/Q, VAIO VGN-CS310J/R, VAIO VGN-CS310J/W, VAIO VGN-CS320J/P, VAIO VGN-CS320J/Q, VAIO VGN-CS320J/R, VAIO VGN-CS320J/W, VAIO VGN-CS385J/Q, VAIO VGN-CS385J/R, VAIO VGN-CS390JCP, VAIO VGN-CS390JCQ, VAIO VGN-CS390JCR, VAIO VGN-CS390JCW, VAIO VGN-CS390JCV

SONY Vaio VGN-FW Series
Vaio VGN-FW11, Vaio VGN-FW11S, Vaio VGN-FW11M, Vaio VGN-FW15T, VAIO VGN-FW15G/B, VAIO VGN-FW16G/W, VAIO VGN-FW17GU/H, Vaio VGN-FW17W, Vaio VGN-FW17/B, Vaio VGN-FW17T/H, Vaio VGN-FW19, Vaio VGN-FW21, VAIO VGN-FW21E, VAIO VGN-FW21J, VAIO VGN-FW21L, VAIO VGN-FW21M, VAIO VGN-FW21Z, VAIO VGN-FW23G/W, VAIO VGN-FW25G/B, VAIO VGN-FW25T/B, VAIO VGN-FW26G/B, VAIO VGN-FW26T/B, VAIO VGN-FW27/B, VAIO VGN-FW27GU/H, VAIO VGN-FW27T/H, VAIO VGN-FW27/W, VAIO VGN-FW29/B, VAIO VGN-FW30B, VAIO VGN-FW31M, VAIO VGN-FW31ZJ, VAIO VGN-FW32J, VAIO VGN-FW33G/E1, VAIO VGN-FW33GW, VAIO VGN-FW33G/W, VAIO VGN-FW35F, VAIO VGN-FW35F/B, VAIO VGN-FW35F/W, VAIO VGN-FW35G/B, VAIO VGN-FW35TJ/B, VAIO VGN-FW36GJ/B, VAIO VGN-FW36TJ/B, VAIO VGN-FW37GY/H, VAIO VGN-FW37J, VAIO VAIO VGN-FW41E/H, VAIO VGN-FW41J/H, VGN-FW41ZJ/H, VAIO VGN-FW41M/H, VAIO VGN-FW41E/H, VAIO VGN-FW43G/W, VAIO VGN-FW45GJ/B, VAIO VGN-FW45TJ/B, VAIO VGN-FW465J/B, VAIO VGN-FW46GJ/B, VAIO VGN-FW46GJ/BE1, VAIO VGN-FW47GYH, VAIO VGN-FW47GY/H, VAIO VGN-FW48E/H, VAIO VGN-FW50B, VAIO VGN-FW51B/W, VAIO VGN-FW51JF/H, VAIO VGN-FW51ZF/H, VAIO VGN-FW51MF/H, VAIO VGN-FW52JB, Vaio VGN-FW53GF/W, Vaio VGN-FW55GF/B, Vaio VGN-FW56GF/B, Vaio VGN-FW57GH/H, VAIO VGN-FW70DB, VAIO VGN-FW71DB/W, VAIO VGN-FW72JGB, VAIO VGN-FW73JGB, VAIO VGN-FW81HS, VAIO VGN-FW81NS, VAIO VGN-FW81S, VAIO VGN-FW82DS, VAIO VGN-FW82JS, VAIO VGN-FW82XS, VAIO VGN-FW83DS, VAIO VGN-FW83JS, VAIO VGN-FW83XS, VAIO VGN-FW90HS, VAIO VGN-FW90NS, VAIO VGN-FW90S, VAIO VGN-FW91NS, VAIO VGN-FW91S, VAIO VGN-FW92DS, VAIO VGN-FW92JS, VAIO VGN-FW93DS, VAIO VGN-FW93JS, VAIO VGN-FW93XS, VAIO VPCCW1EFX/W, Vaio VGN-FW139E/H, VAIO VGN-FW145E/W, VAIO VGN-FW190EBH, VAIO VGN-FW190EDH, VAIO VGN-FW290JVH, VAIO VGN-FW290JTH, VAIO VGN-FW290JTB, VAIO VGN-FW290JRB, VAIO VGN-FW290JTW, VAIO VGN-FW340DW, VAIO VGN-FW350DH, VAIO VGN-FW355J/H, VAIO VGN-FW373DW, VAIO VGN-FW378DH, VAIO VGN-FW378J/B, Vaio VGN-FW455J/B, Vaio VGN-FW455J/H, Vaio VGN-FW465J/B, Vaio VGN-FW465J/T, Vaio VGN-FW465J/H, Vaio VGN-480J/T, Vaio VGN-FW480J/W, Vaio VGN-FW490JFT, Vaio VGN-520F/T, Vaio VGN-FW560F/T, Vaio VGN-FW590FFB, Vaio VGN-FW590FFD, Vaio VGN-FW590FFT

SONY Vaio VGN-NS Series
VAIO VGN-NS15H/S, Vaio VGN-NS190J/S, Vaio VGN-NS190J/W, Vaio VGN-NS235J/L, Vaio VGN-NS235J/P, Vaio VGN-NS235J/S, Vaio VGN-NS235J/W, Vaio VGN-NS290J/S, Vaio VGN-NS328J/S, Vaio VGN-NS330J/L, Vaio VGN-NS330J/P, Vaio VGN-NS330J/S

SONY Vaio VGN-NW Series
Vaio VGN-NW120J/S, Vaio VGN-NW120J/W, Vaio VGN-NW125J/T, Vaio VGN-NW130J/S, Vaio VGN-NW130J/T, Vaio VGN-NW130J/W, Vaio VGN-NW150J/S, Vaio VGN-NW150J/T, Vaio VGN-NW150J/W, Vaio VGN-NW160J/S, Vaio VGN-NW160J/W, Vaio VGN-NW180J/S, VAIO VGN-NW20EF/P, VAIO VGN-NW20EF/S, VAIO VGN-NW20EF/W, VAIO VGN-NW20SF/P, VAIO VGN-NW20SF/S, VAIO VGN-NW20ZF/S, VAIO VGN-NW21ZF/S, VAIO VGN-NW21ZF/T, Vaio VGN-NW225F/P, Vaio VGN-NW225F/S, Vaio VGN-NW225F/T, Vaio VGN-NW235F/B, Vaio VGN-NW240F/B, Vaio VGN-NW240F/P, Vaio VGN-NW240F/S, Vaio VGN-NW240F/T, Vaio VGN-NW240F/W, Vaio VGN-NW250F/T, Vaio VGN-NW250F/S, Vaio VGN-NW250F/W, VAIO VGN-NW26003B, Vaio VGN-NW265F/S, Vaio VGN-NW270F/W, Vaio VGN-NW280F/S, Vaio VGN-NW280F/T, Vaio VGN-NW320F/B, Vaio VGN-NW330F/B, Vaio VGN-NW320F/TC, Vaio VGN-NW380F/S, Vaio VGN-NW380F/T

SONY Vaio VGN-SR Series
Vaio VGN-SR165E/B, Vaio VGN-SR165E/P, Vaio VGN-SR165E/S, Vaio VGN-SR190EBJ, Vaio VGN-SR190EBQ, Vaio VGN-SR190NGB, VAIO VGN-SR1CW, Vaio VGN-SR220J/B, Vaio VGN-SR220J/H, VAIO VGN-SR23H/B, Vaio VGN-SR240J/B, VAIO VGN-SR26/P, VAIO VGN-SR26/S, VAIO VGN-SR28/B, VAIO VGN-SR28/J, VAIO VGN-SR28/Q, Vaio VGN-SR290JTH, Vaio VGN-SR290JTJ, Vaio VGN-SR290JTQ, Vaio VGN-SR290JVB/C, Vaio VGN-SR290JVH/C, Vaio VGN-SR290NTB, VAIO VGN-SR33/P, VAIO VGN-SR33H/B, VAIO VGN-SR33H/S, VAIO VGN-SR38/B, VAIO VGN-SR38/J, VAIO VGN-SR38/Q, Vaio VGN-SR390NAB, Vaio VGN-SR390NAH, VAIO VGN-SR39D/J, VAIO VGN-SR39D/Q, VAIO VGN-SR3CW/B, VAIO VGN-SR410J/B, Vaio VGN-SR420J/B, VAIO VGN-SR430J/B, VAIO VGN-SR430J/H, Vaio VGN-SR490JCN, Vaio VGN-SR490JCP,Vaio VGN-SR520G/H,VAIO VGN-SR51MF/P, VAIO VGN-SR51MF/S, VAIO VGN-SR51MF/W, VAIO VGN-SR59VG/H, VAIO VGN-SR59XG/H, Vaio VGN-SR590FAB, Vaio VGN-SR590FAN, Vaio VGN-SR590GXB

SONY Vaio VPCCW Series
VAIO VPCCW1EFX/W, VAIO VPCCW1FFX/L, VAIO VPCCW1S1E/B, VAIO VPCCW1S1E/L, VAIO VPCCW1S1E/P, VAIO VPCCW1S1E/R, VAIO VPCCW1S1E/W, VAIO VPCCW21FX/B, VAIO VPCCW21FX/L, VAIO VPCCW21FX/R, VAIO VPCCW21FX/W, VAIO VPCCW2MFX/PU, VAIO VPCCW2NFX/LU, VAIO VPCCW2S1E/L, VAIO VPCCW2S1E/P, VAIO VPCCW2S1E/R, VAIO VPCCW2S1E/W, VAIO VPCCW2Z1E/B, VAIO VPCCW23FX/B, VAIO VPCCW26FX/B, VAIO VPCCW27FX/B

SONY Vaio VPCF Series
VAIO VPCF11M1E/H, VAIO VPCF11MFX/B, VAIO VPCF11S1E/B, VAIO VPCF11Z1E/BI, VAIO VPCF112FX/B

SONY Vaio VPCS Series
VAIO VPCS117GGB, VAIO VPCS11V9E/B, VAIO VPCS11X9E/B, VAIO VPCS111FM/S

SONY Vaio VPCY Series
VAIO VPCY115FX/B, VAIO VPCY115FX/BI, VAIO VPCY118GX/BI, VAIO VPCY11M1E/S

Safety First

How to choose correct battery?

The shape of laptop battery and the location of connection must be as same as your original battery.

Your battery part number or laptop model is listed on the compatibility list before making a purchase.

Note:

10.8v and 11.1 are compatible

14.4v and 14.8v are compatible

The 10.8v(=11.1v) and 14.4v(=14.8v) are the different voltages. They are not compatible. Please ensure you choose the right battery for your laptop.

You also can send the picture of your old battery to us and we can help you to choose it.

Our e-mail:info@all-battery.co.uk.

How to choose correct battery?

Warning About The Sony Laptop Batteries

If your capacity drops faster than you think, it means you should treat your Laptop battery or replace the original Laptop battery in time. Do not leave your Sony battery VGP-BPS21A dormant for long periods. We recommend using the battery at least once every two to three weeks. It's a good idea to store the Laptop part in a dry and cold place if it is not used. Clean the battery's metal contacts with rubbing alcohol on a damp cloth. Clean contacts increase energy efficiency. Turn off the wireless devices. This will save the SONY VAIO VPCF VPCS VPCY Series battery power. Batteries degrade more quickly when they’re hot.

Laptop battery and ac adapter Tips

All of our VGP-BPS21A batteries was certified by CE, UL, ROHS, ISO9001/9002 to ensure high-quality and standards, You can buy with confidence!

We mainly sell original notebook batteries and laptop ac adapter. All of our products have been rigorously tested for reliability and safety to ensure high-quality and standards.The Sony VGP-BPS21A batteries have much Longer lasting life and Longer standby time.It is 100% compatible with your Laptop!We guarantee our products for 1 year and we offer a 30 days money-back refund on every notebook battery and ac adapter we sell.

Shipment Methods

Currently, all of our shipments are through Priority Mail (EMS USPS),if you are dealer,you can selected others .We can not offer Overnight (UPS Red) and 2nd Day Delivery (UPS Blue) .

Shipping & Handling

Free Shipping on All Orders!

All orders placed for Standard Shipping on all stock items will be shipped within 1 - 2 business days.

Estimated Delivery Time:7 - 15 Business Days

It is very easy for you to check the status of your order and locate the package during transit, as an email with a tracking number will be sent to your email address after your order has been shipped out. Tracking number will be emailed to buyer once your ordered item is shipped out.

Shipping rates: Our rates include the expenses of shipping, handling and the high quality packaging.

Attention: Priority mail will be used for all PO Box shipping addresses ,But All APO's and military addresses do not apply here. Please use standard shipping for these. Thank you.

Payment Methods

Payment Methods

Warranty:

1-Year Warranty

All our high-quality replacement batteries for Sony VGP-BPS21A Laptop come with a 1-year warranty. Warranty is applicable if the buyer has installed the battery properly in the device and has treated the battery correctly.

30-Day Money Back Guarantee

Our goal is to turn partial customer satisfaction into 'Total Customer Satisfaction'. That's why we offer you a 30-day money back guarantee, except for warranty and return for defects!

Please note: To qualify yourself for reimbursement, please contact our customer service first and get instructions before returning your parcel.

100% Security Payment

For the security of your account, our payment methods are safe and trustworthy. We protect every client's privacy, so please buy with confidence!

Returns

If you have a problem with one battery which bought from us, please contact us first. We will process your request and try to find a solution to your problem. Once it cannot be fixed by our technical support engineer, we will generate an RMA number (Return Material Authorization) for you to return the faulty battery. we will ship out a new battery without extra charge if the returned one turns out to be defective.

Please note: we won't process returned batteries if you don't provide an RMA number on the returned parcel.

FAQs

Q: Is this Sony VGP-BPS21A battery compatible with my Laptop?

A: Through the product compatibility table, you can check if Sony VGP-BPS21A replacement battery is compatible with your Laptop model. Clicking product larger Images, you can confirm the selected correctness of SONY VAIO VPCF VPCS VPCY Series battery replacement. What's more, please pay attention to check if the voltage (rated value) is the same as your old one.

Q: How long will the Sony VGP-BPS21A battery last? When should I replace my battery?

A: All rechargeable batteries are being spoilt gradually from the date it starts running. Performance degradation will be found by users in 18-24 months. When the runtime is unable to meet your demand, we'd suggest you buy a new Sony VGP-BPS21A battery.

Q: How to charge my Sony VGP-BPS21A Laptop battery correctly?

A: There is no need for you to charge the battery over 12 hours, just charge and discharge it normally instead. Because lithium-ion battery has no memory effect. Additionally, you should charge in time when the power remains only 10%-20%. If your battery won't be used for a long time, please charge it once a month and keep battery power over 50%. Moreover, there is no harm even if you charge the battery while using your Laptop or supply external power in a fully-charged state. However, if your Laptop has been running at high speed for a long time, which causes overheat insides, you'd better take the Sony VGP-BPS21A battery out of the Laptop .

Q: How to replace my Sony VGP-BPS21A Laptop battery?

1. Turn off the Laptop and unplug the power cord.

2. Uninstall your old Sony VGP-BPS21A battery carefully.

3. Use a clean cloth to wipe off the dust from the battery compartment. It'd be better to wipe the exposed conductive part with alcohol to remove the copper rust before installing a new battery.

4. Keep your Laptop and battery in a cool dry place (heat may destroy a battery).

5. Install new Sony VGP-BPS21A replacement battery into your Laptop, and remember to close the battery latch.

Disclaimer:
All our product images are for reference only,The VGP-BPS21A Battery supplied by our company are compatible with certain products of manufacturers, and Any reference to products or trademarks of such manufacturers is purely for showing the product with which our products are compatible. Besides, our company and website are neither affiliated with these manufacturers nor are the products listed in our website manufactured by those products manufacturers.