Ninja
Shark Cordless Rechargeable Hard Flo V3700 V3700UK Replacement Battery
Best replacement battery for restoring cordless vacuum runtime.
Ensure your cordless stick vacuum operates at peak performance with this high-quality replacement battery. Engineered for dependable power, it utilizes reliable Li-ion technology for consistent energy delivery. This battery offers a 3.7V output and a substantial 2600mAh capacity, ensuring your cleaning tasks are completed without interruption. Designed as a direct replacement, it integrates seamlessly with compatible models. This black battery is backed by a comprehensive 1-year warranty, providing confidence in its longevity and reliability for all your home cleaning needs.
$15.99
Owner Satisfaction
4.0
/ 5
Category Rank
7081
/ 7963
#7081 in Vacuum Accessories
Price vs Category Average
-67%
Below average
Volts
3.7
/ V
Who it's for
- Owners seeking to regain original vacuum suction and runtime
- Budget-conscious users extending the life of their current appliance
- Safety-focused owners wanting guaranteed compatibility and warranty protection
Who should skip it
- Shoppers prioritizing low-cost third-party alternatives
- Users preferring a simple plug-and-play charging experience
- Tech-savvy buyers wanting the longevity of modern lithium-ion cells
Performance breakdown
Compatibility Precision
Engineered specifically for the V3700 series for a seamless, factory-fit installation.
Energy Density
The 2600mAh capacity provides reliable, long-lasting power for extended cleaning sessions.
Build Integrity
Robust Li-ion construction ensures consistent energy delivery throughout the battery lifecycle.
Installation Ease
Designed as a direct replacement, making the swap quick and effortless.
Warranty Reliability
A one-year manufacturer warranty offers solid protection for your investment.
Power Stability
Maintains steady voltage output to keep your vacuum suction performance consistent.
Key Specs
Volts
3.7V
Capacity
2600mAh (2.6Ah)
Type
Li-ion
Color
Black
Dimensions
2.65 in. L x 0.83 in. W x 0.72 H in.
Weight
0.3 lb
Compatible Models
V3700, V3700UK
Manufacturer Part #
XBAT3700
Know before you buy
No, this battery is specifically engineered as a direct replacement for the Shark V3700 and V3700UK series models. Please verify your vacuum's model number before purchasing to ensure a proper fit.
Li-ion technology provides consistent power delivery throughout the cleaning cycle and prevents the 'memory effect' common in older battery types. This ensures your vacuum maintains reliable suction performance until the charge is depleted.
The 2600mAh capacity is designed to provide extended runtime for standard cleaning tasks. Actual duration will vary depending on the floor surface and the power mode settings you use on your vacuum.
Yes, this battery is backed by a 1-year manufacturer warranty. This covers potential defects and provides peace of mind regarding the battery's longevity and performance.
Yes, this battery is designed as a direct replacement, meaning it is built to integrate seamlessly with your existing V3700 series vacuum. You can simply swap it out with your current battery without needing professional assistance.
Still have a question?
Ask Hayley anything about this product before you decide.