Overview
The LiitoKala USB-34B is an innovative 18650 lithium-ion rechargeable cell featuring an integrated USB Type-C port for direct charging and power output. Offering a 3400mAh high capacity, 3.7V nominal voltage, and built-in protection circuit, it combines convenience, safety, and performance for portable energy solutions.
Reminder:
The size of this battery is different from the ordinary 18650 battery, please confirm that the product you want to use this battery can use before purchasing
Main Features
- Built-in Type-C input/output port for direct charging and discharging
- Input current: 1.1A; Output current: up to 1.5A
- High capacity 3400mAh (3300–3400mAh) for extended usage time
- Integrated protection circuit prevents overcharge, overdischarge, and short-circuit
- Nominal voltage 3.7V with consistent performance
- Explosion-proof safety valve for added protection
- Rechargeable up to 1000 cycles for long-term use
- Compatible with LiitoKala chargers and USB power sources
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LiitoKala |
| Model | USB-34B |
| Type | Li-ion 18650 |
| Nominal Capacity | 3400mAh (3300–3400mAh) |
| Nominal Voltage | 3.7V |
| Charge Voltage | 4.2V |
| Working Voltage Range | 2.7–4.2V |
| Internal Resistance | ≤30mΩ |
| Input Current (Type-C) | 1.1A |
| Output Current (Type-C) | 1.5A |
| Recharge Cycles | Up to 1000 times |
| Size | 18.5mm (D) × 72.5mm (L) |
| Weight | 50g ±1g |
| Protection Circuit | Built-in (PCB) |
| Rechargeable | Yes |
Applications
Primary Uses
The USB-34B is perfect for flashlights, recording devices, and POS machines, providing safe, portable power without needing an external charger.
Extended Benefits
Ideal for travel, outdoor activities, and emergency charging, it can directly power or recharge small devices via USB, including smartphones or LED lamps.
Compatibility / Upgrade
Due to its extended length (72.5mm), it fits devices that accept protected or USB-rechargeable 18650 cells and integrates seamlessly with LiitoKala smart power systems.
Product FAQ
What makes the USB-34B different from regular 18650 batteries?
The USB-34B includes a Type-C port that allows direct charging and 1.5A output without an external charger.
Can I use this battery in flashlights or portable devices?
Yes, but ensure your device supports protected or extended-length 18650 batteries (72.5mm).
How do I charge the battery?
Simply connect a USB Type-C cable to the port. The indicator will show charging status until full.
Can it charge other devices directly?
Yes, the USB-34B supports 1.5A output via Type-C, suitable for low-power USB devices.
How many charge cycles does it support?
It offers up to 1000 recharge cycles with proper care and normal operating conditions.
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