M5Y1K 40Wh 4-Cell Replacement Battery for Dell Inspiron 14/15/17 3000 & 5000 Series
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🔋 Référence : M5Y1K / 0M5Y1K / GXVJ3 / VN3N0 / HD4J0 / K185W / WKRJ2 / 6YFVW / 991XP / 78V9D
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⚡ Caractéristiques : 14.8V · 40Wh · 4-Cell Li-ion
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🖥️ Convient à : Dell Inspiron 14/15/17 3000 & 5000 series (3451–3567, 5451–5759), Latitude 3460/3470/3560/3570, Vostro 3458/3468/3558/3568
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⚠️ Critical Note: M5Y1K is NOT interchangeable with XCMRD — both cover 3000/5000 series but use different connector layouts. Verify your original P/N before ordering.
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🏭 Fournir: Factory-direct · Flexible MOQ · Pre-shipment batch QC · Wholesale pricing available
Description du produit
The M5Y1K is a 4-cell, 14.8V / 40Wh Li-ion pack that Dell deployed across the widest range of its mainstream consumer and SMB laptop lineup between roughly 2014 and 2018 — spanning Inspiron 14, 15, and 17 in both the 3000 and 5000 series, plus select Latitude 3000 and Vostro models. Because this generation of Inspiron was sold in enormous volumes through retail and education channels globally, the installed base is substantial and replacement demand has remained steady well past the machines’ original warranty windows.
One sourcing mistake that generates a disproportionate share of compatibility complaints: the M5Y1K and XCMRD both appear in Dell’s 3000/5000 product family listings, but they have different physical connector layouts and cannot be substituted for each other. If a customer orders the wrong one, it physically won’t seat correctly — it’s a hard incompatibility, not a calibration issue. When purchasing or recommending to end users, always confirm the part number printed on the original installed battery, not just the laptop series.
As a factory-direct M5Y1K / GXVJ3 / VN3N0 wholesale supplier, we stock this SKU year-round for IT repair chains, refurbishers, and distributors managing legacy Dell fleet procurement.
Numéros de pièces compatibles vérifiés (P/N) :
M5Y1K · 0M5Y1K · GXVJ3 · VN3N0 · HD4J0 · K185W · WKRJ2 · 6YFVW · 991XP · 78V9D · 07G07 · 1KFH3 · 451-BBMG · 451-BBOO · 451-BBUD · 453-BBBR · W6D4J
Modèles compatibles vérifiés :
| Série | Modèles |
|---|---|
| Inspiron 14 (3000) | 3451, 3452, 3458, 3459, 3462, 3465, 3467, 3468, 3473, 3476 |
| Inspiron 14 (5000) | 5451, 5452, 5455, 5458, 5459 |
| Inspiron 15 (3000) | 3551, 3552, 3555, 3558, 3559, 3565, 3567, 3568, 3573, 3576 |
| Inspiron 15 (5000) | 5545, 5551, 5552, 5555, 5558, 5559, 5566, 5758 |
| Inspiron 17 (5000) | 5755, 5756, 5758, 5759 |
| Latitude | 3460, 3470, 3560, 3570 |
| Vostro | 14-3458, 14-3459, 14-3468, 15-3558, 15-3559, 15-3561, 15-3562, 15-3565, 15-3568, 15-3572, 15-3578 |
| Code châssis | P47F, P51F, P52F, P60G, P63F, P63G, P64G, P65G |
⚠️ Important: Inspiron 15-5551 is NOT compatible with M5Y1K. Some listings incorrectly include it. If your unit is a 5551, verify with the battery part number directly.
Paramètres techniques
| Paramètre | Spécification |
|---|---|
| Numéro de pièce | M5Y1K / 0M5Y1K / GXVJ3 / VN3N0 / HD4J0 / K185W / WKRJ2 |
| Tension nominale | 14.8V (also compatible with 14.4V applications) |
| Max Charge Voltage | 16.8V (4.2V × 4 cells) |
| Capacité | 40Wh / 2600–2800mAh |
| Configuration cellulaire | 4-Cell |
| Chimie | Li-ion |
| Cycle de vie | ≥500 cycles de charge (≥80% de rétention de capacité) |
| Dimensions (approx.) | 270mm × 37mm × 20mm (L × W × H) |
| Poids (approx.) | ~290g (0.64 lb) |
| Couleur | Noir |
| Condition | Tout neuf — 0 cycle de charge |
| Conformité | CE / RoHS / UN38.3 (documents sur demande) |
| Garantie | 12 mois à compter de la date d'expédition |
Besoin d'un plan d'approvisionnement stable ? Envoyez-nous la liste des modèles, les quantités et la destination. Nous vous confirmerons le délai de livraison, le mode d'expédition et les documents de conformité avant que vous ne passiez commande.
Caractéristiques et avantages
🔄 4-Cell Architecture — Higher Sustained Output vs. 3-Cell Alternatives
The M5Y1K runs at 14.8V nominal across 4 cells, compared to the 11.4V 3-cell packs common in newer Inspiron generations. This higher cell count delivers more consistent voltage under CPU/GPU load — relevant for refurbishers who need the machine to perform predictably under stress tests before resale.
⚠️ M5Y1K vs. XCMRD — A Sourcing Detail That Matters
Both part numbers appear in Dell’s 3000/5000 series documentation, and both are 40Wh. They are not cross-compatible. The physical connector orientation differs. Distributors supplying mixed-model repair shops should stock both SKUs and train staff to check original P/N before dispatch — this single step eliminates the majority of compatibility returns on this product family.
🏭 Factory-Direct Supply Chain
No intermediary markup. Buyers purchasing M5Y1K replacement packs through distributors typically pay 20–40% above our wholesale pricing for the same Grade-A specification. Direct sourcing makes the margin difference material for businesses moving volume.
🛡️ PCM Protection Circuit
Onboard protection handles overcharge cutoff at 16.8V (4.2V/cell), deep-discharge protection at ~10V pack level, overcurrent limiting, and short-circuit response. The 16.8V figure that sometimes appears on product listings is this maximum charge voltage — the nominal working voltage remains 14.8V. Any listing showing 16.8V as the “battery voltage” is misrepresenting the spec.
📋 Consistent Batch Quality for High-Volume Buyers
Each production batch undergoes capacity verification and cycle testing before shipment. For buyers managing IT service contracts where battery performance is part of the deliverable, pre-shipment QC reports are available on request.
Emballage et livraison
Délai de livraison et expédition
Articles en stock : expédiés sous 3 jours
Pour les modèles de remplacement standard disponibles en stock.Commandes en gros : expédition sous 7 jours
Pour les modèles standards, sous réserve de spécifications et d'exigences d'emballage confirmées.Commandes personnalisées : expédition sous 15 jours
Pour une configuration de cellule personnalisée, taille, câblage/connecteur, PCB/BMS, étiquetage ou emballage.
Note: Le délai d'expédition final dépend de quantité totale, complexité du modèle, exigences d'emballage et documents de conformité d'expédition. Nous vous confirmerons la date d'expédition estimée (ETD) après confirmation de la commande.
Fret aérien (urgent, petit volume)
Transport maritime (économique pour les commandes en gros)
Transport ferroviaire / routier (selon la destination)
Chaînes express
Documents disponibles : UN38.3 / FDS / Rapport d'essai de transport (le cas échéant)
L'emballage conforme et l'étiquetage des cartons peuvent être réalisés en fonction du mode d'expédition choisi.
EXW / FOB / CIF / DDP disponibles
FAQ
Q1: Some listings show the M5Y1K voltage as 16.8V — which figure is correct?
A1: 14.8V is the nominal working voltage. 16.8V is the maximum charge cutoff voltage — what the charger delivers at full charge (4.2V per cell × 4 cells = 16.8V). The battery operates at 14.8V under normal discharge. Any product listing or spec sheet quoting 16.8V as the battery voltage is technically inaccurate and potentially confusing for customers verifying compatibility.
Q2: What is the difference between M5Y1K and XCMRD? Can they be swapped?
A2: Both are 40Wh 4-cell packs for Dell Inspiron 3000/5000 series, but they are physically incompatible. The connector orientation differs between the two. Attempting to install the wrong one will result in it not seating in the battery bay. Before ordering, remove the bottom cover of the laptop and read the part number printed directly on the installed battery — that is the only reliable confirmation method.
Q3: After installing the M5Y1K, the battery percentage reads incorrectly or jumps around. What causes this?
A3: This is a fuel gauge calibration issue, not a defective cell. The laptop’s battery management system is comparing charge data against the old, degraded battery’s baseline. Fix it by doing 2–3 full cycles: charge to 100%, use the laptop until it reaches 10–15%, then charge back to full without interruption. After 2–3 cycles the percentage reading stabilizes.
Q4: What MOQ applies to wholesale orders, and is sample testing available?
A4: We supply at flexible MOQ tiers for repair distributors, IT service companies, and institutional procurement channels. Sample units for incoming quality inspection are available prior to bulk commitment. Contact us with your target volume and market — we’ll quote accordingly with batch QC documentation included.
Q5: How does your M5Y1K supply chain handle consistent quality across batches?
A5: Each production batch is tested for capacity, internal resistance, and self-discharge rate before shipment. We issue batch-level QC reports for wholesale buyers who require documentation for their own supplier qualification process. This is particularly relevant for buyers managing IT service contracts where battery runtime is a measurable deliverable.
Q6: What is the shelf life of the M5Y1K battery if stored before use?
A6: Li-ion cells self-discharge at roughly 1–3% per month under proper storage conditions (15–25°C, 40–60% charge state). A properly stored M5Y1K pack retains functional capacity for 12–18 months without installation. For bulk buyers holding inventory, we recommend storage at 50% charge in a cool, dry environment and suggest rotating stock within 12 months of receipt for best end-user performance.
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