Your Browsing History
- Free 30-day Returns
$18.99
Meet Your Seller
New W-20 5040mAh 3.85V Battery for Netgear Nighthawk M5 MR5100 MR5200 M6 MR6150 Replaces 308-10094-01 Grade A Cells 12-Month Warranty
- Reliable Power for Your Nighthawk 5G Hotspot This W-20 replacement battery delivers 5040mAh / 19.4Wh of dependable power for your NETGEAR Nighthawk mobile hotspot, keeping you connected through long workdays or travel.
- Exact Fit for Nighthawk M5 & M6 Series Compatible with NETGEAR Nighthawk M5 (MR5100, MR5200) and M6 (MR6110, MR6150, MR6400, MR6450, MR6500, MR6550) series. Replaces OEM part numbers W-20, MHBTRM5, and WMB-308-10094-01-BP1.
- Premium Grade A Li-ion Cells Manufactured with high-quality Grade A cells with 3.85V voltage and 5040mAh capacity. Builtin overcharge, overdischarge, shortcircuit, and overtemperature protection.
- Compact & TravelReady Design Dimensions: 77.9 x 67.5 x 9.35mm. 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.
+
+
Overview
Reviews
Any questions? Our AI mode will help you find out quickly.
Try me now
Why You Need This Battery
Your NETGEAR Nighthawk 5G 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, lowquality battery often leads to false capacity readings, swelling, or failure within months.
This W-20 battery solves that problem delivering true 5040mAh / 19.4W h capacity with brand new Grade A Li-ion cells.
Important NETGEAR Compatibility
This battery is a direct fit for the following models. Use Ctrl+F to search for your specific model:
Compatible Models
Nighthawk M5 Series MR5100, MR5100C, MR5200, MR5000
Nighthawk M6 Series MR6110, MR6150, MR6400, MR6450, MR6500, MR6550
Important Note: W-20 and W-20b are different battery models. W-20b is for MR7400, MR7500, MH3150, MH3110, MR7450 and is NOT compatible with M5/M6 series. Please check your device model before ordering.
Replaces OEM Part Numbers:
Common P/N
W-20
MHBTRM5
WMB-308-10094-01-BP1
308-10094-01
Specification Detail
Model W-20
Chemistry Li-ion
Voltage 3.85V
Capacity 5040mAh / ~ 19.4W h
Dimensions 77.9 × 67.5 × 9.35 mm
Weight 83g
Color Black
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 5040mAh but deliver much less.
Swelling Dangerous bulging that can crack the battery cover.
Short lifespan Lowgrade cells fail within months.
What Our Battery Delivers
Feature Cheap Generic Our Premium Battery
True Capacity Often under 4000mAh (fake label) 5040mAh (tested)
Cells Recycled or lowgrade Brand new Grade A
Runtime (continuous use) 45 hours 810+ hours
Safety Standards None CE, RoHS, ISO9001
Warranty None or 30 days 30day return + 12month
Who Is This Battery For?
NETGEAR Nighthawk M5 (MR5100, MR5200) and M6 (MR6110, MR6150, MR6400, MR6450, MR6500, MR6550) hotspot owners.
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 5040mAh / 3.85V design for the W-20 model.
Advanced safety protection Overcharge, overdischarge, shortcircuit, and overtemperature protection built in.
No memory effect Charge anytime without capacity loss.
100% tested Each unit is tested for capacity and cycle life before shipping.
12month 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-20 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.
Longterm storage If not using for a long time, charge to 80% and store in a cool, dry place.
What's Included
1 x W-20 Replacement Battery (5040mAh / 3.85V )
Your NETGEAR Nighthawk 5G 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, lowquality battery often leads to false capacity readings, swelling, or failure within months.
This W-20 battery solves that problem delivering true 5040mAh / 19.4W h capacity with brand new Grade A Li-ion cells.
Important NETGEAR Compatibility
This battery is a direct fit for the following models. Use Ctrl+F to search for your specific model:
Compatible Models
Nighthawk M5 Series MR5100, MR5100C, MR5200, MR5000
Nighthawk M6 Series MR6110, MR6150, MR6400, MR6450, MR6500, MR6550
Important Note: W-20 and W-20b are different battery models. W-20b is for MR7400, MR7500, MH3150, MH3110, MR7450 and is NOT compatible with M5/M6 series. Please check your device model before ordering.
Replaces OEM Part Numbers:
Common P/N
W-20
MHBTRM5
WMB-308-10094-01-BP1
308-10094-01
Specifications
You Can TrustSpecification Detail
Model W-20
Chemistry Li-ion
Voltage 3.85V
Capacity 5040mAh / ~ 19.4W h
Dimensions 77.9 × 67.5 × 9.35 mm
Weight 83g
Color Black
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 5040mAh but deliver much less.
Swelling Dangerous bulging that can crack the battery cover.
Short lifespan Lowgrade cells fail within months.
What Our Battery Delivers
Feature Cheap Generic Our Premium Battery
True Capacity Often under 4000mAh (fake label) 5040mAh (tested)
Cells Recycled or lowgrade Brand new Grade A
Runtime (continuous use) 45 hours 810+ hours
Safety Standards None CE, RoHS, ISO9001
Warranty None or 30 days 30day return + 12month
Who Is This Battery For?
NETGEAR Nighthawk M5 (MR5100, MR5200) and M6 (MR6110, MR6150, MR6400, MR6450, MR6500, MR6550) hotspot owners.
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 5040mAh / 3.85V design for the W-20 model.
Advanced safety protection Overcharge, overdischarge, shortcircuit, and overtemperature protection built in.
No memory effect Charge anytime without capacity loss.
100% tested Each unit is tested for capacity and cycle life before shipping.
12month 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-20 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.
Longterm storage If not using for a long time, charge to 80% and store in a cool, dry place.
What's Included
1 x W-20 Replacement Battery (5040mAh / 3.85V )
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
Manufacturer Contact Info
- For a directory of all our manufacturers, please click below.
- Manufacturers Directory
LOADING...