Dyson V7 21.6V 2500mAh Battery Replacement for Vacuum Cleaner
Summary of Dyson V7 21.6V 2500mAh
This 21.6V 2500mAh replacement battery for Dyson V7 delivers outstanding cost-performance, reliable safety protection, and long cycle life. Built with high-consistency 2500mAh cells, it offers higher efficiency, lower heat generation, and extended battery lifespan. With multiple protection layers and active balancing, it ensures stable power delivery and minimizes cell aging—ideal for restoring your Dyson vacuum to like-new performance.
Dyson Replacement Battery V7 Parameters
Model: CPDSV730
Battery Type: Lithium Ion Battery Battery
Battery Cell: 18650 2500mAh
Nominal Capacity: 2500mAh
Nominal Voltage: 21.6V (6S1P)
Energy: 54Wh
Charge Cut-off Voltage: 25.2V
Discharge Cut-off Voltage: 16.5V
Standard Charge Current: 0.2C (500mA)
Max Charge Current: 1C (2500mA)
Cycle Life: More Than 500 Times
Dimensions: 80 × 130 × 125 mm
Weight: 455g
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 V7 Motorhead, Dyson V7 Animal, Dyson V7 Absolute, Dyson V7 Trigger, Dyson V7 Fluffy, Dyson V7 Mattress, Dyson V7 Car+Boat, Dyson V7 Allergy, Dyson V7 Cord-free, Dyson V7 Extra, Dyson V7 Trigger with HEPA
Key Features – Dyson V7 Replacement Battery
🔋 High-Value 2500mAh Cells for Maximum Performance
This Dyson V7 21.6V battery uses high-quality 2500mAh cells to achieve an ideal balance of cost and performance. These cells provide stable output, increased runtime, and higher energy utilization—perfect for users seeking an affordable yet reliable upgrade.
⚙️ High Cell Consistency = Safer & Longer Life
Thanks to advanced manufacturing and cell matching, each internal cell maintains excellent consistency, ensuring safer operation, reducing capacity loss, and extending service life. This consistency also improves overall battery efficiency during high-load vacuuming.
🔥 Low Internal Resistance for Cool & Efficient Operation
The battery’s low internal resistance design ensures:
Less heat buildup during charging or heavy suction
Higher energy conversion efficiency
Better long-term durability
Even during Max Mode, the battery remains stable and efficient.
🛡️ 6-Layer Protection System + Active Balancing
To guarantee safety and longevity, the battery includes multiple smart protection features:
✔️ Overcharge protection
✔️ Over-discharge protection
✔️ Over-current protection
✔️ Short-circuit protection
✔️ Over-temperature protection
✔️ Active cell balancing to slow down aging and maximize usable capacity
These protections preserve battery health—and your vacuum cleaner.
♻️ Up to 500 Cycles with Over 2000mAh Remaining
Designed for durability, this replacement battery maintains over 2000mAh capacity after 500 full charge cycles, outperforming many standard aftermarket products and significantly extending your vacuum’s lifespan.
🌡️ Wide Operating Temperature Range & Strong Low-Temperature Performance
The battery is engineered to perform reliably in both hot and cold environments. Its optimized cell chemistry ensures stable operation and power delivery—even in lower temperatures—making it suitable for year-round home use.
❓ FAQ – Frequently Asked Questions
Q1: How to tell if your Dyson battery needs to be replaced?
Q2: How to check Dyson battery health?
Q3: What is the common problem with Dyson vacuums cordless?
A: Your Dyson V7 may keep shutting off due to a clogged filter or airway, which restricts airflow and triggers the vacuum’s safety cut-off. It can also happen if the battery is failing and can no longer hold a consistent charge.
Q5: Why is my Dyson V7 battery not charging?
