Dyson V8 21.6V 5000mAh Vacuum Cleaner Battery Replacement
Summary of Dyson V8 21.6V 5000mAh
This high-density 5000mAh replacement battery is engineered to deliver significantly longer runtime, lower heat generation, improved efficiency, and outstanding durability for all Dyson V8 models. Built with premium high-consistency cells and low-resistance construction, it ensures safer operation, stronger power delivery, and extended service life—making it the ideal upgrade for homeowners and professionals seeking superior suction performance.
21.6V 5000mAh Battery Dyson V8 Parameters
Model: CPDSV850
Battery Type: Rechargeable Li-ion Battery
Battery Cell: 21700 5000mAh
Nominal Capacity: 5000mAh
Nominal Voltage: 21.6V (6S1P)
Energy: 108Wh
Charge Cut-off Voltage: 25.2V
Discharge Cut-off Voltage: 16.5V
Standard Charge Current: 0.2C (1000mA)
Max Charge Current: 1C (5000mA)
Cycle Life: More Than 500 Times
Dimensions: 80 × 120 × 150 mm
Weight: 565g
Charge Temperature Range: 0°C to 45°C
Discharge Temperature Range: -20°C to 65°C
Storage Temperature Range:
- -20℃~25℃: More than 12 months
- -20℃~45℃: Less than 3 months
- -20℃~60 ℃: Less than 1 month
Compatible Models: For Dyson V8 Animal, Dyson V8 Absolute, Dyson V8 Motorhead, Dyson V8 Fluffy, Dyson V8 Carbon Fiber, Dyson V8 Trigger, Dyson V8 Total Clean, Dyson V8 Extra, Dyson V8 Animal+, Dyson V8 Animal, Pro Dyson V8 Animal Cordless HEPA.
Key Features – Dyson V8 Battery Replacement
⚡ High Energy Density for Longer Cleaning Sessions
This 21.6V 5000mAh battery uses high-energy-density cells that store more power without increasing size, allowing your Dyson V8 to run significantly longer per charge. Its optimized internal structure boosts capacity utilization and prevents premature energy loss.
🔋 Premium 5000mAh Cells for Ultra-Long Runtime
Equipped with high-capacity 21700 5000mAh lithium cells, this battery delivers extended suction time—ideal for deep cleaning carpets, multiple rooms, and high-duty tasks. You can expect up to 40–60% longer runtime compared to standard Dyson V8 batteries.
🛡️ High Cell Consistency for Safe & Stable Performance
Engineered with strictly matched and balanced cells, this battery offers:
Stable voltage output
Reduced risk of swelling or overheating
Improved long-term durability
This high level of consistency enhances both safety and overall battery efficiency.
❄️ Low Internal Resistance & Minimal Heat Generation
Low-resistance cell construction reduces current loss and heat buildup, enabling:
Higher power efficiency
Longer cycle life
More reliable performance in high-load cleaning modes
This means cooler operation and better protection for the vacuum motor.
🌡️ Wide Operating Temperature & Excellent Cold-Resistance
Designed for diverse working environments, this Dyson V8 replacement battery maintains strong output even in lower temperatures. Whether cleaning indoors in winter or tackling warm-climate tasks, it stays efficient and stable.
🧰 Easy Installation & Universal Dyson V8 Compatibility
The battery installs in just minutes with no special tools, wiring, or modifications needed. It is fully compatible with every Dyson V8 model, including the V8 Animal, V8 Absolute, V8 Motorhead, V8 Fluffy, and V8 Carbon Fiber. Its precisely engineered housing provides a perfect fit, ensuring smooth installation and a secure, stable connection.
❓ FAQ – Frequently Asked Questions
Q1: How many years should a Dyson V8 battery last?
A: Dyson V8 battery typically lasts 3 to 5 years depending on usage habits, charging frequency, and operating conditions. With proper care—such as avoiding heat and not storing it fully drained—the lifespan can be noticeably extended.
Q2: Do you have to hold the button down on a Dyson V8?
Q4: Why does my Dyson vacuum run out of battery so fast?
A: Your Dyson vacuum may run out of battery quickly if the battery cells have aged, reducing their ability to hold a charge. Using high-power modes, blocked filters, or clogged airflow can also increase power demand and drain the battery much faster.
Q5: How do I store my Dyson V8 to protect the battery?
A: Store your Dyson V8 in a cool, dry place (ideally 15–25°C) and avoid leaving it permanently plugged into the charger. For longest battery life, keep it partially charged (around 40–60 %) if storing for weeks or months, and run it fully once every 3–6 months.







