Samsung INR 21700 30T 3000mAh 35A deep cycle power storage battery for scooter tool hoverboard scooter
Nominal Capacity：3000mAh
Nominal Voltage：3.7V
Standard Charge CC: 0.2C / CV: 4.2V / Cut-off: 100mA
IMR Fast Charge CC: 1C / CV: 4.2V / Cut-off: 100mA
Standard Discharge CC: 35A / End Voltage: 2.5V
Weight：70g
Product Description
EFAN 21700-3000mAh Battery — High-performance IMR rechargeable battery suitable for high-drain devices.
Specifications
| Item | Condition / Note | Specification |
|---|---|---|
| Nominal Capacity | — | 3000mAh |
| Nominal Voltage | — | 3.7V |
| Standard Charge | Constant Current | 0.2C |
| Constant Voltage | 4.2V | |
| End Current (Cut-off) | 100mA | |
| IMR Fast Charge | Constant Current | 1C |
| Constant Voltage | 4.2V | |
| End Current (Cut-off) | 100mA | |
| Standard Discharge | Constant Current | 35A |
| End Voltage (Cut-off) | 2.5V | |
| Fast Discharge | End Voltage (Cut-off) | 2.5V |
| Maximum Discharge Current | Pulse Current | — |
| Weight | Approximate | 70g |
| Operating Temperature | Charge | 0–45°C |
| Discharge | -10–65°C | |
| Storage Temperature | 1 Month | -10–45°C |
| 6 Months | -10–35°C | |
| 1 Year | -10–30°C | |
| Dimensions (Diameter × Height) | — | D21.2 ±0.2mm × H69.85 ±0.2mm |
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What products does YiFang offer?
YiFang specializes in batteries, chargers, battery packs, and power solutions, including Li-ion, LiMn (IMR), Ni-MH, and LiFePO₄ batteries.
Does YiFang provide OEM/ODM services?
Yes, we offer flexible OEM and ODM customization, including product design, specifications, and packaging to meet your exact requirements.
What industries use YiFang products?
Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.
What is YiFang’s production capacity?
YiFang operates its own factory with automated production lines, producing up to 100,000 units daily, ensuring consistent quality and timely delivery.
How can I contact YiFang for orders or inquiries?
You can contact us via our website inquiry form, email, or phone. Our team is ready to provide professional guidance and customized solutions.
What industries use YiFang products?
Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.
What industries use YiFang products?
Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.
What warranty and after-sales support does YiFang offer?
We provide 6–12 months warranty, responsive customer support, and global insurance coverage for long-term reliability and customer peace of mind.