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ElectraSpan™ Extended Battery

All ElectraSpan™ extended batteries are lithium based (Li-Ion or Li-Poly), guaranteeing light weight, long life, and ultra low discharge rates.  With up to 200% the use time of a standard battery, the ElectraSpan™ extended battery is the essential accessory for handheld users who can’t or don’t want to worry about missing a charge.

Stay active.  Worry less.

Buy the ElectraSpan™ extended battery by BoxWave.

ElectraSpan™ Extended Battery

Choose the ElectraSpan™ Extended Battery that's right for you:

PDA and Smartphone
extended battery

extended battery

Don't see a ElectraSpan Extended Battery model that's available for your device?

You can send a request for a new version that supports your device!  Send a Request for a new ElectraSpan Extended Battery

Accessories for my:

Alcatel One Touch Idol X+

Alcatel OneTouch Idol Mini

Alcatel OneTouch Idol S

Amazon Kindle 4

Amazon Kindle Fire

Amazon Kindle Keyboard 3G

Amazon Kindle Touch

Amazon Kindle Touch 3G

Apple iPad

Apple iPad 2

Apple iPad 3

Apple iPad 4

Apple iPad mini (1st Gen/2012)

Apple iPhone 3G S

Apple iPhone 4

Apple iPhone 4S

Apple iPhone 5

Asus Eee Pad Transformer Prime

AT&T Samsung Galaxy Note (Samsung SGH-i717)

AT&T Samsung Galaxy S2 (Samsung SGH-i777)

Barnes & Noble NOOK Tablet

BlackBerry Bold 9900

BlackBerry Curve 9360

BlackBerry Torch 9800

Blackberry Z10


Dell Venue Pro 11

HP 8

HTC Amaze 4G

HTC Desire 610

HTC Desire HD


HTC One (M8 2014)

HTC Rezound

HTC Sensation 4G

HTC Sensation XL

HTC Titan

HTC Vivid


LG G Flex

LG G Pro 2

LG L70


Motorola Droid Mini


Motorola Photon 4G

Nokia X

Nokia X+

Nokia XL

Panasonic Toughpad FZ-E1

Panasonic Toughpad FZ-X1

Samsung ATIV SE

Samsung Droid Charge

Samsung Galaxy Nexus

Samsung GALAXY Note (International model N7000)

Samsung Galaxy Note 3 Neo

Samsung Galaxy S2 Skyrocket

Samsung Galaxy S2, Epic 4G Touch

Samsung Galaxy Tab 10.1 P7510 (Wi-Fi Only)

Samsung Galaxy Tab 10.1 SCH-i905 (Verizon 4G LTE)

Samsung Galaxy Tab Pro 12.2

Samsung Galaxy Tab Pro 8.4

Samsung i9100 Galaxy S2

Sony Xperia M2

Sony Xperia T2 Ultra

Sony Xperia Z Ultra

Sony Xperia Z1S

Sony Xperia Z2 Tablet

Sony Z Ultra Google Play Edition

T-Mobile Samsung Galaxy S2 (Samsung SGH-t989)

ZTE Grand Memo II

Help me find accessories for another device!

New Releases

New ElectraSpan™ Extended Battery models:

Samsung Galaxy S4
Samsung Galaxy S3
Samsung GALAXY Note (International model N7000)
Samsung Galaxy Nexus
HTC Thunderbolt 4G
Blackberry Bold 9650
BlackBerry 9630
BlackBerry Tour 9630
HTC Touch2
Samsung Omnia II i8000
HTC Hero (GSM)
HTC Touch Pro2 (European/UK)