
Delivering 21.6V / 4000mAh (86.4Wh), the ASOL 21700 6S1P 21.6V 4000mAh Lithium Battery Pack for Floor Washer is a lithium battery in a 6S1P configuration measuring 74.1 × 89.3 × 67.5 mm and weighing 390g. It is engineered to power Floor Washer and similar devices, with a stable discharge curve and dependable cycle life. Built with a built-in BMS for overcharge, over-discharge, and short-circuit protection, it is fully customizable for OEM and ODM programmes.
Key Features
High-power cleaning, built tough
6S1P delivers 21.6V for high-power floor washer motors.
Stable 12A discharge keeps suction strong throughout the charge.
Over-charge, over-current, short-circuit & over-temperature protection built in.
21700-4000mAh cells pack more energy in a compact form.
390g pack withstands vibration, moisture and daily commercial use.
Product Specifications
| Specification | Details |
|---|---|
| Brand | ASOL |
| Model | 21700-4000mAh (6S1P) |
| Nominal Voltage | 21.6V |
| Capacity | 4000mAh |
| Configuration | 6S1P (6 Cells in Series) |
| Dimensions | 74.1 × 89.3 × 67.5 mm |
| Discharge Current | 12A |
| Weight | 390g |
| Connector | Multi-pin (OEM compatible) |
| Protection | Over-Charge / Over-Discharge / Over-Current / Short-Circuit / Over-Temperature |
| Cycle Life | ≥500 cycles |
| Charging Temp | 0°C ~ 45°C |
| Discharging Temp | -20°C ~ 60°C |
| Certifications | CE · RoHS · UN38.3 · MSDS |
Applications
Where the 6S1P is used
21.6V power for cordless vacuum suction & water pumps.
Dual-output power for simultaneous motor and pump operation.
Reliable daily power for hotel & office floor washers.
Drop-in CE/RoHS module for new floor washer designs.
Who Is This Battery For?
| Customer Type | How ASOL Helps |
|---|---|
| Floor Washer Manufacturers | Reliable OEM battery supply with consistent quality for mass production. Factory-tested every unit. |
| Home Appliance Brands | A dependable power solution that enhances your product’s reputation and user satisfaction. |
| Distributors & Wholesalers | High-margin, fast-moving product with strong repeat purchase rates in the growing washing equipment market. |
| Repair & Replacement Market | Premium replacement battery for popular floor washer models. Easy installation with compatible connectors. |
Why Quality Matters: The ASOL Difference
Not all lithium battery packs are created equal. Here’s what sets ASOL apart:
- Factory-Tested Every Unit - Every pack undergoes individual capacity, voltage, and internal resistance testing before shipping
- Consistent Cell Matching - Cells are matched within ±0.05V for predictable, stable performance across all 6 series cells
- Professional BMS Integration - Built-in Battery Management System ensures balanced charging and discharging
- UN38.3 Certified - Safety tested and certified for international shipping
How 4000mAh Translates to Real-World Usage
| Usage Scenario | Estimated Runtime per Full Charge |
|---|---|
| Standard mode (suction only) | ~35-45 minutes |
| Max mode (suction + water pump) | ~25-35 minutes |
| Eco mode (reduced power) | ~50-60 minutes |
| Mixed usage (typical household) | ~30-40 minutes |
Estimates based on typical floor washer power draw of 150-250W. Actual results may vary by device model and washing mode.
Cycle Life Explained
A “cycle” equals one full discharge followed by a full recharge. The ASOL 6S1P maintains ≥80% capacity after 500 cycles under standard test conditions (0.2C discharge, 0.5C charge at 25°C).
Partial charges do not consume full cycles - so topping up after each use actually extends the battery’s effective lifespan. With typical household usage (3-5 times per week), this translates to well over 2.5 years of reliable service.
Bulk Orders & OEM Services
Looking for a long-term battery supplier for your floor cleaner production line? ASOL offers:
- Wholesale Pricing - Competitive rates starting at 100+ units
- Custom Branding - Logo printing and branded packaging available
- OEM/ODM Support - Tailored specifications for your unique product requirements
- Global Shipping - Reliable logistics to manufacturers worldwide
Trusted by Manufacturers Worldwide
ASOL batteries power floor washing and home appliance products sold across North America, Europe, Southeast Asia, and the Middle East. Our commitment to consistent quality and reliable supply chains has made us a preferred partner for leading home appliance brands.
“The ASOL 6S1P battery packs have been our standard power solution for our premium floor washer line. The high-current discharge capability ensures consistent suction, and the 500-cycle life means fewer warranty claims.” — Product Manager, Home Appliance Manufacturer
Get Started Today
Ready to power your floor washer line with the ASOL 6S1P 21.6V lithium battery? We’re here to help.
Sample Evaluation
Test battery quality and compatibility before committing to a bulk order.
Talk to Our Team
Our battery specialists will answer your technical questions and help you select the right pack for your application.
Request a B2B Quote
Get competitive pricing for your order volume - typically within 24 hours.
Frequently Asked Questions
Is this battery compatible with my floor cleaner model?
The ASOL 6S1P 21.6V uses a standard form factor (74.1×89.3×67.5mm) with multi-pin connector. If your floor washer has a battery compartment of this size and compatible voltage requirements, it is likely compatible. Please verify your device's battery compartment dimensions and connector type before ordering.
How many times can I recharge this battery?
This battery is rated for 500+ full charge cycles while retaining at least 80% of its original capacity. With typical usage (3-5 times per week), this translates to over 2.5 years of reliable service.
Is this battery safe to use in home cleaning devices?
Yes. The ASOL 6S1P 21.6V is certified with UN38.3, MSDS, CE, RoHS - meeting international safety standards for transport and environmental compliance. It features built-in over-charge, over-discharge, over-current, short-circuit, and over-temperature protection.
How are evaluation requirements handled?
Sample evaluation may be available for selected cylindrical and lithium polymer battery projects, subject to specification review and product availability. Sample freight is paid by the customer. Include any evaluation requirements in Additional Requirements.
Do you offer international shipping?
Yes. We ship globally via trusted logistics partners including DHL, FedEx, and sea freight. Shipping costs and lead times vary by destination.
What is the difference between 6S1P and other configurations?
6S1P means 6 cells connected in series (6S) with 1 parallel group (1P). This configuration delivers 21.6V nominal voltage - ideal for high-power floor washer motors and water pumps. It provides significantly more power than lower-voltage configurations while maintaining a compact size.
Contact Us
| info@asolbattery.com | |
| +86 15779858703 | |
| Website | www.asolbattery.com |
| Response Time | 24h on working days |
| Business Hours | Mon - Fri, 9:00 AM - 6:00 PM (GMT+8) |
| Urgent Orders | Call directly for priority support |
Need a different size or capacity? Explore ASOL’s full cylindrical battery range →





