Overview
The LiitoKala USB-18-T35 is a 3.7V 18650 Li-ion rechargeable battery with a built-in USB Type-C interface for both input and output functions. Offering a large 3500mAh capacity, it combines portability, safety, and practicality for a wide range of electronic devices.
Main Features
- 3500mAh high capacity for extended runtime and reliable discharge
- Type-C dual interface – supports input charging and 1.5A output power supply
- Rechargeable up to 1000 cycles, delivering long-term usability
- Integrated protection circuit with overcharge, overdischarge, and short-circuit safeguards
- Explosion-proof valve design for enhanced safety and stability
- Fast charging with 1.1A input current and universal USB compatibility
- Constructed with low internal resistance (<30mΩ) for efficient energy transfer
- Ideal for Bluetooth speakers, dash cams, POS terminals, and portable electronics
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LiitoKala |
| Model | USB-18-T35 |
| Type | Li-ion Rechargeable Battery |
| Rated Voltage | 3.7V |
| Charge Voltage | 4.2V |
| Discharge Cut-off Voltage | 2.7V |
| Capacity | 3500mAh |
| Input Current | 1.1A (Type-C) |
| Output Current | 1.5A (Type-C) |
| Internal Resistance | <30mΩ |
| Recharge Cycles | Up to 1000 |
| Size | 18.6 × 72 ±0.2mm |
| Weight | Approx. 50g |
| Protection | Overcharge / Overdischarge / Short-circuit / Explosion-proof valve |
| Material | High-quality Li-ion with metal casing |
| Operating Temperature | -20°C to +60°C |
| Charging Port | Type-C USB |
Applications
Primary Uses:
Designed for Bluetooth speakers, car DVRs, and POS terminals, the USB-18-T35 provides long-lasting energy with safe voltage regulation.
Extended Benefits:
Suitable for massagers, beauty devices, and portable tools that demand stable current delivery and efficient recharging via USB Type-C.
Compatibility / Upgrade:
Functions as a high-capacity 18650 replacement in devices that accept longer cells (18.6×72mm). Can directly charge phones or electronics through its 1.5A output port, adding power bank functionality.
Product FAQ
Can I charge the USB-18-T35 with a regular 18650 charger?
No. This model must be charged through its built-in Type-C port using a 5V USB power source.
Can this battery charge other devices?
Yes. The USB-18-T35 supports 1.5A output via Type-C, suitable for small devices such as phones or cameras.
Is this battery size the same as a standard 18650 cell?
No. It is slightly longer (72mm) due to the built-in charging module. Please confirm device compatibility before purchase.
What safety features are included?
The cell includes overcharge, overdischarge, short-circuit, and explosion-proof protection, ensuring safe operation.
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