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Estry

Battery for AT&T AirCard 779S AirCard 779S 4G AC779S NTGR779ABB Unite Express AirCard 810 AirCard 810S Explorer 2 AirCard 797S AC797S W-8 308-10004-01 W-7b

Battery for AT&T AirCard 779S AirCard 779S 4G AC779S NTGR779ABB Unite Express AirCard 810 AirCard 810S Explorer 2 AirCard 797S AC797S W-8 308-10004-01 W-7b

$20.99 USD
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Title
12-Month Warranty30-Day Easy ReturnsShips from US in 48hUN38.3 & ISO9001 Certified

This is a 2400mAh 3.7V Li-ion replacement battery for AT&T AirCard 779S, AirCard 779S 4G and more, compatible with battery part numbers W-8, 308-10004-01, W-7b.

Battery Specifications

Type: Li-ion
Weight: 105.0g
Dimension: 77.45*54.24*6.3mm
Category: Hotspot
Voltage: 3.7V
Rate: 8.88Wh

Compatible Brand

  • AT&T

Compatible Model

  • AirCard 779S
  • AirCard 779S 4G
  • AC779S
  • NTGR779ABB
  • Unite Express
  • AirCard 810
  • AirCard 810S
  • Explorer 2
  • AirCard 797S
  • AC797S

Compatible Battery Part Number

  • W-8
  • 308-10004-01
  • W-7b

âš  Safety Warnings

  • Do not disassemble, puncture or modify the battery.
  • Never short-circuit the terminals or expose to heat / fire.
  • Do not mix with different batteries or chargers.
  • Recycle used batteries at designated collection points.

Why Choose Estry

✓ Grade A Cells — Premium cells with stable discharge and low self-discharge.
✓ Real Capacity — Capacity tested to match or exceed the original battery.
✓ Strict QC — Every battery passes charging/discharging and safety checks.
UN38.3 tested for safe transport. MSDS available upon request. Manufactured in an ISO9001 certified facility.

FAQ

How do I confirm this battery fits my device?

Match your device against the Compatible Model list above, or compare the part number printed on your original battery. Still unsure? Email us with your battery details or photos and we will help you confirm.

What is the warranty policy?

This battery is covered by a 12-month warranty against manufacturing defects, plus 30-day easy returns for peace of mind.

How fast will my order arrive?

In-stock orders ship from our US warehouse within 48 hours on business days.

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