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New W-8a 2400mAh 8.88Wh Battery for Netgear AirCard 779S AC779S Fuse 779 Replaces 5200087 308-10004-01 Grade A Cells 12-Month Warranty
- Reliable Power for Your AirCard Hotspot Don't let a dead battery disconnect you. This W-8a replacement delivers 2400mAh / 8.88Wh of dependable power for your NETGEAR mobile hotspot, keeping you connected through long workdays or travel.
- Exact Fit for AirCard 779S & Compatible Models Compatible with NETGEAR AirCard 779S, AC779S, Fuse 779, and NTGR779ABB. Also works with AirCard 790, 797S, 810, 810S and others. Replaces OEM part numbers W-8a, 5200087, 308-10004-01, and W-8.
- Premium Grade A Li-ion Cells Built to Last Manufactured with high-quality Grade A cells. Features over-charge, over-discharge, over-heat, over-current, and short-circuit protection. No memory effect charge anytime without capacity loss.
- Compact & Travel-Ready Design Lightweight and portable perfect for carrying a spare battery for extended trips. ISO9001, RoHS, and CE certified for safety and reliability.
- 100% Tested & 12-Month Warranty Each battery is individually tested before shipment to ensure quality and performance. Backed by a full 12-month warranty and 30-day hassle-free returns. Brand new, never used, not refurbished.
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Why You Need This Battery
Your NETGEAR AirCard mobile hotspot is your lifeline to the internet when you're on the road, at a job site, or traveling abroad. When the original battery starts to fail shorter runtime, unexpected shutdowns, or no longer holding a charge your connectivity suffers. Replacing it with a cheap, low-quality battery often leads to false capacity readings, swelling, or failure within months.
This W-8a battery solves that problem delivering true 2400mAh / 8.88W h capacity with brand new Grade A Li-ion cells. What you see is what you get.
Important NETGEAR Compatibility
This battery is a direct fit for the following models. Use Ctrl+F to search for your specific model:
Compatible Models
AirCard 779S Series AirCard 779S, AC779S, Fuse 779, NTGR779ABB, irCard 779S 4G
AirCard 790 Series AirCard 790, 790s, AC790S
AirCard 797S Series AirCard 797S, AC797S
AirCard 810 Series AirCard 810, 810S
AT&T Series AT&T Unite Express, AT&T Explorer 2
Replaces OEM Part Numbers:
Common P/N
W-8a
5200087
308-10004-01
W-8
W-7, W-7a, W-7b
Specification Detail
Model W-8a
Chemistry Li-ion
Voltage 3.7V
Capacity 2400mAh / 8.88W h
Dimensions approx. 77.20 × 54.00 × 6.20 mm
Color Black
Safety Standards CE, RoHS, ISO9001
Condition Brand new Grade A cells
Warranty 30day moneyback + 12month warranty
What a Cheap or Failing Battery Costs You
Interrupted connectivity Hotspot dies during important work or travel.
Fake capacity Cheap batteries claim 2400mAh but deliver much less.
Swelling Dangerous bulging that can crack the battery cover.
Short lifespan Low-grade cells fail within months.
What Our Battery Delivers
Feature Cheap Generic Our Premium Battery
True Capacity Often under 2000mAh (fake label) 2400mAh (tested)
Cells Recycled or low-grade Brand new Grade A
Runtime (continuous use) 3-4 hours 6-8+ hours
Safety Standards None CE, RoHS, ISO9001
Warranty None or 30 days 30day return + 12month
Who Is This Battery For?
NETGEAR AirCard 779S, AC779S, and Fuse 779 hotspot owners.
AirCard 790, 797S, 810, 810S, and Explorer 2 users.
Frequent travelers who want a spare battery ready for extended trips.
Anyone whose original hotspot battery is swollen or no longer holds a charge.
Why Choose Our Battery?
Genuine Grade A Li-ion cells Not recycled or refurbished.
Exact OEM specifications Matches NETGEAR's original design for the W-8a model.
Advanced safety protection Over-charge, over-discharge, short-circuit, and over-temperature protection built in.
No memory effect Charge anytime without capacity loss.
100% tested Each unit is tested for capacity and cycle life before shipping.
12-month warranty Buy with confidence. If anything goes wrong, we've got you covered.
Installation Note
To replace the battery:
Turn off your hotspot device.
Open the battery cover.
Remove the old battery and insert the new W-8a battery, ensuring correct polarity.
Replace the cover and fully charge before first use.
Important Usage Tips
Avoid high temperatures Heat is the battery killer and can cause failure.
Don't fully drain Avoid letting the battery drop below 2% to prevent wear.
Use correct charger An improper power adapter may damage the battery.
Long-term storage If not using for a long time, charge to 80% and store in a cool, dry place.
What's Included
1 x W-8a Replacement Battery (2400mAh / 8.88W h)
Your NETGEAR AirCard mobile hotspot is your lifeline to the internet when you're on the road, at a job site, or traveling abroad. When the original battery starts to fail shorter runtime, unexpected shutdowns, or no longer holding a charge your connectivity suffers. Replacing it with a cheap, low-quality battery often leads to false capacity readings, swelling, or failure within months.
This W-8a battery solves that problem delivering true 2400mAh / 8.88W h capacity with brand new Grade A Li-ion cells. What you see is what you get.
Important NETGEAR Compatibility
This battery is a direct fit for the following models. Use Ctrl+F to search for your specific model:
Compatible Models
AirCard 779S Series AirCard 779S, AC779S, Fuse 779, NTGR779ABB, irCard 779S 4G
AirCard 790 Series AirCard 790, 790s, AC790S
AirCard 797S Series AirCard 797S, AC797S
AirCard 810 Series AirCard 810, 810S
AT&T Series AT&T Unite Express, AT&T Explorer 2
Replaces OEM Part Numbers:
Common P/N
W-8a
5200087
308-10004-01
W-8
W-7, W-7a, W-7b
Specifications
You Can TrustSpecification Detail
Model W-8a
Chemistry Li-ion
Voltage 3.7V
Capacity 2400mAh / 8.88W h
Dimensions approx. 77.20 × 54.00 × 6.20 mm
Color Black
Safety Standards CE, RoHS, ISO9001
Condition Brand new Grade A cells
Warranty 30day moneyback + 12month warranty
What a Cheap or Failing Battery Costs You
Interrupted connectivity Hotspot dies during important work or travel.
Fake capacity Cheap batteries claim 2400mAh but deliver much less.
Swelling Dangerous bulging that can crack the battery cover.
Short lifespan Low-grade cells fail within months.
What Our Battery Delivers
Feature Cheap Generic Our Premium Battery
True Capacity Often under 2000mAh (fake label) 2400mAh (tested)
Cells Recycled or low-grade Brand new Grade A
Runtime (continuous use) 3-4 hours 6-8+ hours
Safety Standards None CE, RoHS, ISO9001
Warranty None or 30 days 30day return + 12month
Who Is This Battery For?
NETGEAR AirCard 779S, AC779S, and Fuse 779 hotspot owners.
AirCard 790, 797S, 810, 810S, and Explorer 2 users.
Frequent travelers who want a spare battery ready for extended trips.
Anyone whose original hotspot battery is swollen or no longer holds a charge.
Why Choose Our Battery?
Genuine Grade A Li-ion cells Not recycled or refurbished.
Exact OEM specifications Matches NETGEAR's original design for the W-8a model.
Advanced safety protection Over-charge, over-discharge, short-circuit, and over-temperature protection built in.
No memory effect Charge anytime without capacity loss.
100% tested Each unit is tested for capacity and cycle life before shipping.
12-month warranty Buy with confidence. If anything goes wrong, we've got you covered.
Installation Note
To replace the battery:
Turn off your hotspot device.
Open the battery cover.
Remove the old battery and insert the new W-8a battery, ensuring correct polarity.
Replace the cover and fully charge before first use.
Important Usage Tips
Avoid high temperatures Heat is the battery killer and can cause failure.
Don't fully drain Avoid letting the battery drop below 2% to prevent wear.
Use correct charger An improper power adapter may damage the battery.
Long-term storage If not using for a long time, charge to 80% and store in a cool, dry place.
What's Included
1 x W-8a Replacement Battery (2400mAh / 8.88W h)
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Ebuy limited Return Policy
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