Overview
The LiitoKala 34B-PCB is a high-capacity 18650 lithium-ion battery equipped with an integrated protection circuit board (PCB). With a nominal capacity of 3400mAh and 3.7V nominal voltage, it provides safe, long-lasting power for precision instruments and consumer devices that require reliable Li-ion performance with built-in protection.
Main Features
- Built-in PCB protection circuit against overcharge, overdischarge, and short circuit
- High capacity 3400mAh (3300–3400mAh) for long runtime
- Nominal 3.7V voltage with stable discharge curve
- Explosion-proof safety valve enhances safety and durability
- Low internal resistance ≤30mΩ for efficient energy output
- Rechargeable up to 1000 cycles for long-term reliability
- Compatible with LiitoKala smart chargers and most protected 18650 applications
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LiitoKala |
| Model | 34B-PCB (Protected) |
| Type | Li-ion 18650 |
| Nominal Capacity | 3400mAh (3300–3400mAh) |
| Nominal Voltage | 3.7V |
| Internal Resistance | ≤30mΩ |
| Limited Charge Voltage | 4.2V |
| Working Voltage Range | 2.5–4.2V |
| Recharge Cycles | Up to 1000 times |
| Protection Circuit | Yes (overcharge, overdischarge, short-circuit) |
| Size | 18.5mm (D) × 70.5mm (L) |
| Weight | 45g ±1g |
| Rechargeable | Yes |
Applications
Primary Uses
Perfect for flashlights, Bluetooth speakers, and recording devices, the 34B-PCB provides stable, safe performance with extended runtime.
Extended Benefits
Its built-in PCB protection makes it ideal for beauty instruments, POS machines, and portable diagnostic tools, ensuring safe power management under continuous operation.
Compatibility / Upgrade
Fully compatible with LiitoKala smart chargers and protected 18650 slots, it’s a direct upgrade for users needing enhanced safety in DIY battery packs or consumer-grade devices.
Product FAQ
What is the main difference between the 34B and 34B-PCB models?
The 34B-PCB includes a built-in protection circuit board that prevents overcharging, overdischarging, and short circuits, enhancing safety for sensitive electronics.
Can this battery be used in flashlights or portable devices?
Yes, the 34B-PCB is ideal for flashlights, recorders, and POS devices that require protected 18650 cells.
Does the added PCB affect size or compatibility?
The protection board slightly increases the length to about 70.5mm, so check your device compatibility before use.
How many cycles can this battery handle?
The cell supports up to 1000 full charge-discharge cycles under proper use and charging conditions.
Can I use any charger with this battery?
It’s best to use a LiitoKala Li-ion charger with 4.2V output and automatic cutoff for optimal charging safety.
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