The ASOL 18650 3.7V 2600mAh Lithium-ion Battery Cell for Electric Toothbrushes is a lithium battery rated at 3.7V / 2600mAh (9.62Wh) in a 1S1P configuration measuring 66 × 18.6 × 18.6 mm and weighing 46g. It is engineered to power Electric Toothbrush and similar devices, with a stable discharge curve and dependable cycle life. An integrated protection circuit guards against overcharge, over-discharge, and short circuit, and full OEM/ODM customization is available.
Key Features
Compact power, built to last
Actual runtime depends on brushing frequency, motor load, standby consumption and device operating conditions.
Steady motor RPM across the entire charge cycle.
Over-charge, over-discharge, over-current, short-circuit & temperature protection.
Just 66 × 18.6 × 18.6 mm and 46g for slim handles.
Product Specifications
| Specification | Details |
|---|---|
| Brand | ASOL |
| Model | 18650-2600mAh |
| Voltage | 3.7V (Nominal) |
| Capacity | 2600mAh |
| Configuration | 1S1P (Single Cell) |
| Dimensions | 66 × 18.6 × 18.6 mm |
| Discharge Current | 2.6A |
| Weight | 46g |
| Cycle Life | ≥300 cycles |
| Charging Temp | 0°C ~ 45°C |
| Discharging Temp | -20°C ~ 60°C |
| Certifications | UN38.3, MSDS, CE, RoHS |
Applications
Where the 1S1P is used
Reliable rechargeable power for daily oral-care brush sessions.
Water flossers, facial cleansers & handheld massagers.
Just 46g & compact — fits travel-sized toothbrushes.
Steady power for sensors, modes & app connectivity.
Frequently Asked Questions
Is this battery compatible with my electric toothbrush model?
Compatibility must be verified against the target device requirements, including nominal and charging voltage, continuous and peak current, polarity, connector and pinout, physical dimensions, charging system, protection or BMS requirements, and any communication requirements.
How many times can I recharge this battery?
This battery is rated for 300+ full charge cycles while retaining at least 80% of its original capacity. Actual service life depends on depth of discharge, charging practice, temperature, device load and operating conditions.
Is this battery safe to use in personal care devices?
Yes. The ASOL 18650-2600mAh is supported by existing UN38.3, CE and RoHS documentation; MSDS safety documentation is available — meeting international safety standards for transport and environmental compliance. It also 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?
Shipping arrangements, costs and lead times are confirmed according to destination and project requirements.
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 →
