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AHB622540N01 620mAh 3.7V Li-ion Polymer replacement battery for Sennheiser Momentum 2.0 HD 4.40, front view showing battery surface and connector

AHB622540N01 620mAh 3.7V for Momentum 2.0 HD 4.40 Replacement

Original price was: $39.99.Current price is: $32.99.

🔘 AHB622540N01 620mAh 3.7V | 🔋 Li-ion Polymer | 📱 For Sennheiser Momentum 2.0 HD 4.40

8 in stock

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SKU: AHB622540N01 Category: Tags: , , , ,
📦 Shipping, Warranty & After-Sales Information (Click to expand ▼)

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Warranty Period90 days from delivery15-30 days from order confirmation
When It Starts📦 Upon delivery⚠️ Upon order confirmation (even before you receive it)
Claims HandlingWe do it directly — email usAutomated dispute system, seller dependent
After Window ExpiresStill can contact us for supportNo recourse, seller can ignore you

🔋 90-day warranty is the industry standard for replacement batteries. Batteries naturally lose capacity over time — this normal wear is not covered. Warranty applies to manufacturing defects only.

📦 Shipping Cost & Delivery Time (Economy Shipping from China)

📦 Note: Batteries are classified as hazardous goods and must be shipped via specialized channels, which may take slightly longer than standard couriers. Delivery times are estimates and may be affected by customs, weather, or other unforeseen circumstances. If your country is not listed in the table below, we are currently unable to ship batteries to that destination.

DestinationFreight (USD)Est. Delivery Time
United States$7.808–15 days
Canada$6.8018–30 days
Mexico$10.0030–60 days
Germany, France, United Kingdom, Greece$6.5018–30 days
Austria, Belgium, Czech Republic, Denmark, Estonia, Hungary, Ireland, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, Slovakia, Spain, Sweden, Switzerland, Ukraine$8.0018–30 days
Croatia, Finland, Lithuania, Latvia, Slovenia$8.0030–50 days
Bulgaria, Romania$14.0030–50 days
South Korea, Japan, Australia, New Zealand, Israel, Malaysia, Singapore, Thailand, Philippines, Kazakhstan$7.5018–30 days
United Arab Emirates, Saudi Arabia, Vietnam, Chile, Peru, Colombia, Brazil$18.0025–60 days

🇧🇷 Note for Brazil: Brazilian customs can occasionally cause delays of up to 80 days or more. And please indicate the recipient's CPF, as it is required for Brazilian customs and shipping. Thanks! We appreciate your understanding.

🇪🇺 Note for EU countries: Due to new EU customs regulations effective July 1, 2026, a flat tariff fee of $4.00 (approx. €3.50) applies to shipments to EU countries. This fee covers customs tariff, handling, and payment processing costs, and will be added at checkout. Thank you for your understanding.

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Description

✅ Condition: New – Factory-tested quality & Warranty

✅ 620mAh High Capacity – Restores full battery life for Sennheiser Momentum 2.0 HD 4.40

✅ CE / RoHS / UN38.3 Certified

✅ 90-Day Warranty from delivery – Longer coverage than major platforms

✅ Ships in 3-7 days with tracking

🛡️ Shipping Protection Available at Checkout

✅ PayPal Buyer Protection included

✅ 100% Compatibility Guarantee – If it doesn’t fit, we’ll refund you. No questions asked.

Battery model: AHB622540N01
Capacity: 620mAh / 2.29Wh
Rated voltage: 3.7V
Charge limit voltage: 4.2V
Battery type: Li-ion Polymer
Compatible with: Sennheiser Momentum 2.0 HD 4.40
Package include: 1 x battery
Restore the reliable battery performance of your Sennheiser Momentum 2.0 or HD 4.40 headphones with this AHB622540N01 620mAh replacement battery. The Momentum 2.0 and HD 4.40 are wireless headphones designed for music, calls, travel, and daily listening. After regular charging cycles, the battery may show signs of aging, such as shorter play time, sudden shutdowns, slower charging, or a swollen battery compartment. This AHB622540N01 Li-ion Polymer battery is designed to fit Sennheiser Momentum 2.0 HD 4.40 and bring back full daily power.
Designed for Reliable Daily Use: The AHB622540N01 battery uses high-density battery technology with multi-layer safety protection against overcharge, over-discharge, and short circuits. It is factory-tested and carries CE, RoHS, and UN38.3 certification. With 620mAh capacity and 3.7V rated voltage, it supports stable performance for wireless listening, calls, and daily headphone use. The battery is a practical replacement option for Sennheiser Momentum 2.0 HD 4.40 users who need dependable power during travel, commute, and home listening.
Compatibility Note: Fits Sennheiser Momentum 2.0 HD 4.40 only. Please confirm your battery model before ordering — AHB622540N01 is printed on your current battery. Verify that your battery matches the model number, rated voltage (3.7V), and capacity (620mAh / 2.29Wh). This device has a sealed headphone housing — professional installation is recommended. Using an incorrect battery model may cause improper fit, charging issues, or incorrect battery reporting.
Battery Care Tips: Use a compatible charger, avoid extreme heat or cold, and try not to drain the battery to 0% often. For daily use, keep the battery level between 20% and 80% when possible. If you store the headphones for a long time, keep the battery at around 50%. After replacing the battery, check that the ear cup housing is closed correctly. If you are not confident, ask a professional technician to do the replacement.

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Frequently Asked Questions

The AHB622540N01 620mAh 3.7V battery for Sennheiser Momentum 2.0 is a Li-ion Polymer replacement battery for Sennheiser Momentum 2.0 and HD 4.40. This Sennheiser Momentum 2.0 battery replacement and Sennheiser HD 4.40 battery replacement has 620mAh capacity and 3.7V rated voltage. If you need a Sennheiser Momentum 2.0 HD 4.40 battery replacement, the AHB622540N01 620mAh battery is the matching model. Please check your current battery label — AHB622540N01 is printed there. This AHB622540N01 battery for Sennheiser Momentum 2.0 HD 4.40 is designed to restore full performance when your current battery no longer holds charge as before.

The AHB622540N01 620mAh 3.7V battery for Sennheiser Momentum 2.0 HD 4.40 has a capacity of 620mAh / 2.29Wh and a rated voltage of 3.7V, with a charge limit of 4.2V. This AHB622540N01 3.7V 620mAh Li-ion Polymer battery is factory-tested and carries CE, RoHS, and UN38.3 certification. AHB622540N01 battery specifications for Sennheiser Momentum 2.0 HD 4.40 include stable charging performance. To support accurate battery reporting, allow 2-3 full charge cycles after installation to calibrate the battery meter.

Professional Sennheiser Momentum 2.0 HD 4.40 battery installation is recommended. The Momentum 2.0 and HD 4.40 have a sealed headphone housing with an internal battery. To replace the Sennheiser Momentum 2.0 battery AHB622540N01, the technician must open the ear cup carefully, disconnect the battery connector, remove the old battery, and install the new AHB622540N01 battery before resealing the housing. For AHB622540N01 battery installation in Sennheiser HD 4.40, improper handling can affect the housing seal and connector. For Sennheiser Momentum 2.0 HD 4.40 battery care tips: use a compatible charger, avoid extreme temperatures, keep battery level between 20% and 80% for daily use, and store at around 50% for long-term storage. Stop using immediately if the battery shows any swelling.

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