21.6V 2Ah 6S1P Lithium Battery Replacement for Dyson V6 Vacuum Cleaner High-Performance Battery
Wholesale high-performance 21.6V 2Ah 6S1P Lithium Battery Replacement for Dyson V6 Vacuum Cleaner High-Performance Battery. Built with 21.6V (21.6V nominal, 6S1P Compact Handheld Vacuum Architecture) delivering verified 2Ah capacity, Grade-A high-drain cells, and precision multi-tier BMS. Fully compatible with OEM chargers and cordless platforms. Certified CE, RoHS, UN38.3.
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Direct Engineering Answer: 21.6V 2Ah 6S1P Lithium Battery Replacement for Dyson V6 Vacuum Cleaner High-Performance Battery
This 21.6V 2Ah replacement lithium-ion battery is built on a 6S1P Compact Handheld Vacuum Architecture delivering 54Wh of verifiable nominal energy for your cordless equipment fleet. Engineered with 6 Grade-A 18650 high-discharge power cells (2000mAh – 3000mAh) with calibrated NTC thermal cutoff and an industrial BMS with precision analog thermal and over-current protection, it ensures exact physical engagement, drop-in charging compatibility with OEM chargers (Dyson OEM 26.1V wall charger dock and direct DC jack adapters), and sustained 20A Continuous / 28A MAX Burst (≤10s). Before purchasing for fleet renewal, verify your tool interface footprint (128 × 76 × 90 mm (±1.0 mm)), operating voltage (21.6V), and maximum continuous discharge requirements.
Key Product Facts
| Nominal Voltage & S-Configuration | 21.6V (21.6V Nominal, 6S1P Compact Handheld Vacuum Architecture) |
|---|---|
| Available Rated Capacities | 2Ah (True Tested Capacity @ 0.2C, 25°C) |
| Total Energy Output (Wh) | Approx. 54 Wh |
| Cell Specifications & Chemistry | 6 Grade-A 18650 high-discharge power cells (2000mAh – 3000mAh) with calibrated NTC thermal cutoff |
| Continuous & Peak Current | 20A Continuous / 28A MAX Burst (≤10s) |
| Physical Dimensions & Net Weight | 128 × 76 × 90 mm (±1.0 mm) | 0.42 kg (±0.01 kg) |
| Enclosure Material & Protection | Precision-fit ABS housing with 2-screw handle locking mechanism and front LED indicator |
| Cycle Life Standard | ≥ 800 full charge/discharge cycles to 80% initial capacity |
| International Compliance | CE, RoHS, UN38.3, MSDS, 1.2m Drop Test Certified |
Full Parametric Electrical & Operating Specifications
| Electrical Parameter | Engineering Value & Tolerance | Test Condition & Standard |
|---|---|---|
| Operating Voltage Window | 18.0V – 25.2V | Full discharge to full charge cutoffs |
| Charge Voltage Cutoff | 25.20V ± 0.05V | Standard CC/CV profile (0.5C rate) |
| Discharge Voltage Cutoff | 18.00V ± 0.10V | Electronic load cutoff to prevent cell reversal |
| AC Internal Resistance (IR) | ≤ 26 mΩ | 1 kHz AC milliohm meter @ 25°C, 50% SoC |
| Recommended Charge Current | 2.0A – 4.0A (Fast Charge Supported) | Maintains pack thermal stability under standard docks |
| Operating Temperature (Discharge) | -20°C to +60°C | Maintains steady voltage delivery under sub-zero conditions |
| Operating Temperature (Charge) | 0°C to +45°C | Integrated thermal sensor prevents freezing-point charging |
| Recommended Storage Conditions | 15°C to 25°C, 45%–65% RH | Maintain 40%–50% SoC during extended warehousing |
Equipment Compatibility & Replacement Cross-Reference
Engineered for 100% plug-and-play mechanical fitment and terminal alignment across the following models:
- Direct Replacement for OEM Batteries: Dyson V6 OEM part numbers: 965874-02, 967812-01, 205794-01/04, DC58, DC59, DC62 battery pack
- Compatible Tool / Vacuum Models: Dyson V6 handheld & stick vacuums: V6 Absolute, V6 Animal, V6 Motorhead, V6 Fluffy, DC58, DC59, DC61, DC62, SV03, SV04, SV09
- Compatible Charging Docks: Dyson OEM 26.1V wall charger dock and direct DC jack adapters
- Docking Integrity: Precision engineered mounting rails eliminate rattle and electrical arching under vibration.
First-Party Manufacturing & Quality Assurance Standards
1. Automated 3-Axis Cell Grading
Every individual cylindrical cell undergoes automated grading before pack assembly: voltage delta ≤ 3 mV, internal resistance delta ≤ 1.5 mΩ, and capacity matching within ±1% to prevent premature pack degradation.
2. Pure Nickel Busbars & Precision Welding
Built with 0.15mm–0.20mm industrial pure nickel strips tested to ≥ 5.0 kgf destructive peel strength, ensuring ultra-low contact resistance and eliminating thermal hotspots during sustained high-current draws.
3. Multi-Tier Hardware BMS
Equipped with high-precision IC monitoring over-charge, over-discharge, short-circuit protection (≤300μs reaction), and dual NTC thermal sensors with automatic cutoffs.
4. 100% Full-Cycle Factory Aging
Every finished battery pack is placed on automated computerized aging racks for a 100% full charge-discharge cycle to verify real Ah capacity and electrical curves prior to packaging.
Operating Boundary Conditions & Application Fit
Recommended Applications
Complete restoration of fading runtime on legacy Dyson V6 and DC series handheld cleaning fleets.
System Incompatibilities
Dyson V7, V8, or V10 vacuum models with redesigned handle clip structures.
OEM / ODM Engineering & Customization Services
| Engineering Dimension | Configurable Options | Required Customer Input |
|---|---|---|
| Capacity & Cell Chemistry | Tier-1 domestic high-drain cells, Samsung 25R/30Q, LG HG2, or 21700 cells | Desired runtime and target duty cycle |
| Housing & Branding | Private-label pad printing, corporate logo laser engraving, bespoke color matching | Vector artwork (AI/PDF) & brand guidelines |
| BMS & Thermal Calibration | Custom over-current trips, low-temperature lockout thresholds | Peak motor stall current profile |
| Packaging & Logistics | Retail presentation boxes, bulk workshop cartons, drop-test verified UN cartons | Distribution channel requirements |
B2B Supply Terms & Export Compliance
Available for engineering evaluation; typical dispatch within 3–5 working days.
Standard packaging: 50 pcs. Custom private label OEM: 200 pcs per production run.
15–20 business days for container and palletized sea/air freight orders.
Fully certified Class 9 DG export with UN38.3 test summaries and compliant MSDS documentation.
Frequently Asked Technical Questions
Q1: Will this replacement battery cause error lights or fail to charge on OEM docking stations?
No. The terminal pinout and internal BMS sensing circuits are calibrated to mirror OEM electrical communication protocols, preventing false error cutoffs or flashing trouble indicators during dock charging.
Q2: What causes aftermarket vacuum and power tool batteries to cut out prematurely during heavy loads?
Low-quality aftermarket packs use generic low-drain cells that suffer from severe voltage sag under sudden current demands. Our packs utilize verified Grade-A high-drain cells capable of sustaining continuous rated discharge without tripping low-voltage cutoffs.
Q3: How are Class 9 Dangerous Goods shipments handled for international customs?
All export shipments are accompanied by official UN38.3 test summaries, MSDS, and 1.2m drop packaging test certificates. We coordinate directly with freight forwarders experienced in lithium battery air and sea shipping compliance.
Need Fleet Replacement Units or Wholesale OEM Quotations?
Submit your target tool fleet models, expected order volumes, or private-label customization specs. Our technical sales team provides full mechanical specs, sample units, and FOB/CIF pricing within 24 hours.
