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NM50 (2788mAh main) and NM40 (712mAh secondary) dual-cell battery set for MOTO Razr 2022 XT2251-1, side-by-side front view on white background showing both batteries with connector flex cables
NM50 2788mAh 3.89V Li-ion Polymer main battery for MOTO Razr 2022 XT2251-1, front view showing battery surface and connector flex cable
NM40 712mAh 3.89V Li-ion Polymer secondary battery for MOTO Razr 2022 XT2251-1, front view showing battery surface and connector flex cable

NM50 NM40 3500mAh 3.89V Battery for MOTO Razr 2022 XT2251-1 Replacement

Original price was: $49.99.Current price is: $39.99.

🔘 NM50 + NM40 3500mAh 3.89V | 🔋 Li-ion Polymer Dual-Cell | 📱 For MOTO Razr 2022 XT2251-1

8 in stock

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SKU: NM50+NM40 Category: Tags: , , , , , ,
📦 Shipping, Warranty & After-Sales Information (Click to expand ▼)

✅ Why Our Warranty Stands Out

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Compare✅ Qingsm Tech⚠️ eBay / AliExpress
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, Cyprus, Czech Republic, Denmark, Estonia, Hungary, Ireland, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, Slovakia, Spain, Sweden, Switzerland$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: Brand New – Never used, factory-tested quality

✅ 3500mAh Total High Capacity – Complete dual-cell set for MOTO Razr 2022 foldable phone

✅ 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.

⚠️ Low Stock Alert: Only 8 left in stock. Order now to avoid waiting.

Main battery model: NM50 — 2788mAh / 3.89V
Secondary battery model: NM40 — 712mAh / 3.89V
Total capacity: 3500mAh (typical) / 13.61Wh
Rated voltage (per cell): 3.89V
Charge limit voltage (per cell): 4.45V
Battery type: Li-ion Polymer — Dual-cell series design for foldable phone
Compatible with: MOTO Razr 2022 (XT2251-1)
Package include: 1 x main battery (NM50, 2788mAh) + 1 x secondary battery (NM40, 712mAh)
Restore the flagship performance of your MOTO Razr 2022 with this complete NM50 and NM40 dual-cell battery set. Released in August 2022, the MOTO Razr 2022 was Motorola’s third-generation foldable flip phone, featuring a 6.7-inch 144Hz OLED inner display, a 2.7-inch external Quick View display, Snapdragon 8+ Gen 1 processor, and a 3500mAh dual-cell battery. This Li-ion Polymer battery set restores the full 3500mAh capacity for all-day use on this iconic clamshell foldable.
About the Dual-Cell Design for Foldable Phones — Why Both Batteries Matter: The MOTO Razr 2022 uses a dual-cell series battery architecture — a design essential for foldable phones. The main battery NM50 provides 2788mAh capacity and the secondary battery NM40 provides 712mAh capacity, combining for a total of 3500mAh. This clever configuration distributes the battery across the two halves of the folding mechanism — the larger 2788mAh NM50 cell sits in the lower half of the device, while the smaller 712mAh NM40 cell sits in the upper half near the hinge and display. This design maximizes battery capacity without increasing device thickness when folded. The dual-cell also enables faster charging and reduces heat generation during charging. After 2-3 years of daily folding and unfolding, the original batteries have likely degraded. Common symptoms include: the phone needing charging before the end of the day, shutting down at 20-30% battery, or the foldable hinge feeling less responsive due to battery swelling. Replacing both batteries as a matched set restores the original Razr 2022 performance and ensures the device folds flat with proper clearance. Unlike standard single-cell replacements, using one old and one new battery will cause unbalanced charging and reduced total capacity — always replace both as a set.
Compatibility Note: Fits MOTO Razr 2022 (XT2251-1) only. Please confirm your battery models before ordering — NM50 (main, 2788mAh) and NM40 (secondary, 712mAh) are printed on your original batteries. This set is NOT compatible with MOTO Razr 2019, MOTO Razr 5G (2020), MOTO Razr 40, Razr 40 Ultra, or other Motorola models.

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Frequently Asked Questions

The NM50 and NM40 battery set is compatible with the MOTO Razr 2022 (model XT2251-1) only. If you need a MOTO Razr 2022 battery replacement for XT2251-1, this NM50 NM40 complete battery set is the exact match. The NM50 battery for MOTO Razr 2022 provides 2788mAh (main cell) and the NM40 battery provides 712mAh (secondary cell), combining for the original 3500mAh total capacity. For NM50 NM40 battery for MOTO Razr 2022 XT2251-1, please verify your device model in Settings > About Phone. This set is NOT compatible with MOTO Razr 2019, MOTO Razr 5G (2020), MOTO Razr 40, or Razr 40 Ultra. If your MOTO Razr 2022 battery drains quickly or the phone shuts down even when the indicator shows charge remaining, replacing both batteries with this matched set is the correct solution.

The MOTO Razr 2022 battery set consists of main battery NM50 (2788mAh, 3.89V) and secondary battery NM40 (712mAh, 3.89V). Together, the NM50 NM40 3500mAh dual-cell battery delivers the full 3500mAh total capacity (13.61Wh), with each cell rated at 3.89V and a charge limit voltage of 4.45V. This MOTO Razr 2022 3500mAh battery set uses high-density Li-ion Polymer cells with grade A quality and multi-layer safety protection. CE, RoHS, and UN38.3 certified. For MOTO Razr 2022 dual-cell battery charging, this matched set supports the original 30W fast charging of the Razr 2022 — reaching approximately 50% charge in 25 minutes and a full charge in about 60-70 minutes. The MOTO Razr 2022 NM50 NM40 battery set is designed for the Snapdragon 8+ Gen 1 processor and 6.7-inch OLED display, providing approximately 6-8 hours of mixed usage and 4-5 hours of gaming on a full charge. For NM50 NM40 battery specifications, both cells have matching capacity, internal resistance, and charge cycles — critical for dual-cell series configurations where unbalanced cells can cause charging issues.

Professional MOTO Razr 2022 battery installation is strongly recommended for this dual-cell battery set. The MOTO Razr 2022 is a clamshell foldable phone with two batteries positioned in separate compartments on opposite sides of the hinge mechanism — the main battery NM50 (2788mAh, larger cell) in the lower half, and the secondary battery NM40 (712mAh, smaller cell) in the upper half near the hinge. To replace MOTO Razr 2022 battery set, the technician must: 1) Heat and remove both the upper and lower back panels. 2) Carefully disconnect both batteries (secondary NM40 first, then main NM50 — this sequence matters for the battery management system). 3) Connect the new batteries (main NM50 first, then secondary NM40). 4) Reapply new adhesive and reseal the device. For NM50 NM40 battery installation MOTO Razr 2022, improper handling can damage the flexible folding display, the hinge mechanism, or the dual-battery management system. The Razr 2022's internal construction is complex — attempting DIY replacement without experience can result in a cracked OLED panel or misaligned hinge. Third-party repair shops with foldable phone experience typically charge $40-70 for labor. Motorola official battery replacement costs vary by region, typically $50-80 for the battery set plus labor. For MOTO Razr 2022 dual-cell battery installation, always ensure both batteries are replaced as a matched set — using one old and one new battery will cause unbalanced charging and reduced total capacity.

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