M5Y1K 40Wh 4-Cell Replacement Battery for Dell Inspiron 14/15/17 3000 & 5000 Series
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🔋 Número de pieza: M5Y1K / 0M5Y1K / GXVJ3 / VN3N0 / HD4J0 / K185W / WKRJ2 / 6YFVW / 991XP / 78V9D
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⚡ Especificaciones: 14.8V · 40Wh · 4-Cell Li-ion
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🖥️ Fits: 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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🏭 Supply: Factory-direct · Flexible MOQ · Pre-shipment batch QC · Wholesale pricing available
Descripción del Producto
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.
Verified Compatible Part Numbers (P/N):
M5Y1K · 0M5Y1K · GXVJ3 · VN3N0 · HD4J0 · K185W · WKRJ2 · 6YFVW · 991XP · 78V9D · 07G07 · 1KFH3 · 451-BBMG · 451-BBOO · 451-BBUD · 453-BBBR · W6D4J
Modelos compatibles verificados:
| Serie | Modelos |
|---|---|
| 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 |
| Chassis Code | 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.
Parámetros técnicos
| Parámetro | Especificación |
|---|---|
| Número de pieza | M5Y1K / 0M5Y1K / GXVJ3 / VN3N0 / HD4J0 / K185W / WKRJ2 |
| Voltaje nominal | 14.8V (also compatible with 14.4V applications) |
| Max Charge Voltage | 16.8V (4.2V × 4 cells) |
| Capacidad | 40Wh / 2600–2800mAh |
| Configuración de celda | 4-Cell |
| Química | Iones de litio |
| Ciclo de vida | ≥500 charge cycles (≥80% capacity retention) |
| Dimensions (approx.) | 270mm × 37mm × 20mm (L × W × H) |
| Peso (aprox.) | ~290g (0.64 lb) |
| Color | Negro |
| Condición | Brand New — 0 charge cycles |
| Cumplimiento | CE / RoHS / UN38.3 (docs on request) |
| Garantía | 12 months from shipment date |
¿Necesita un plan de suministro estable? Envíe su lista de modelos, cantidades y destino. Confirmaremos el plazo de entrega, el método de envío y los documentos de cumplimiento antes de realizar el pedido.
Características y ventajas
🔄 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.
Embalaje y entrega
Plazo de entrega y envío
Artículos en stock: Envío en 3 días
Para modelos de reemplazo estándar con inventario disponible.Pedidos de producción en masa: Envío en 7 días.
Para modelos regulares bajo especificaciones confirmadas y requisitos de empaque.Pedidos personalizados: Envío en 15 días.
Para configuración de celda personalizada, tamaño, cable/conector, PCB/BMS, etiquetado o embalaje.
Nota: El tiempo de envío final depende de Cantidad total, complejidad del modelo, requisitos de embalaje y documentos de cumplimiento de envío. Le confirmaremos la fecha estimada de envío (ETD) después de la confirmación del pedido.
Transporte aéreo (urgente, menor volumen)
Transporte marítimo (rentable para graneles)
Ferrocarril / Camión (sujeto a destino)
Canales exprés
Documentos disponibles: UN38.3 / MSDS / Informe de prueba de transporte (si corresponde)
Se pueden organizar embalajes y etiquetado de cajas compatibles según el método de envío elegido.
EXW / FOB / CIF / DDP disponibles
Preguntas frecuentes
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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