


The SPERAS RC26 is a convenient rechargeable 18650 lithium battery for compatible flashlights, headlamps and everyday electronics. With 2600mAh capacity, stable 3.7V output, a built-in USB-C charging port and integrated protection circuitry, it is designed to keep your gear powered without needing a separate charger every time.
The RC26 has a USB-C charging port built into the battery, allowing it to be recharged directly from a suitable USB power source. This makes it practical for travel, outdoor kits, work bags and users who want a simple spare battery solution.
- ✓Integrated USB-C charging port built into the battery.
- ✓Supports direct charging from suitable 5V/1A or 5V/2A USB power sources.
- ✓Can be charged from a USB wall adapter, laptop, power bank or compatible USB outlet.
- ✓No dedicated charger required for basic recharging.
- ✓Also compatible with suitable traditional 18650 battery chargers.

The RC26 is ideal as a spare or replacement battery for compatible 18650-powered gear. It combines the convenience of direct USB-C charging with the safety benefit of a built-in protection circuit.

With a 2600mAh cell and 3.7V lithium battery architecture, the RC26 is suited to compatible devices that require a standard 18650 rechargeable battery. It is especially useful for keeping a spare battery ready for lights and outdoor gear.
- ✓Suitable for compatible 18650 LED flashlights.
- ✓Useful for compatible headlamps and professional lighting equipment.
- ✓Can suit compatible cameras, radios, doorbells, small fans and hobby electronics.
- ✓Great as a spare battery for camping, hunting, work and emergency use.


Lithium batteries should be used with care, especially in higher-drain devices. The RC26 includes a built-in protection circuit board designed to help protect the battery during charging and use.
- ✓Built-in PCB protection circuit.
- ✓Helps protect against overcharging.
- ✓Helps protect against over-discharging.
- ✓Helps protect against over-current / extreme high-current discharge.
- ✓Designed for safer everyday battery handling and charging.
The RC26 can be charged directly by USB-C and is also compatible with suitable 18650 battery chargers. Always check that your device is designed for a 3.7V 18650 lithium battery before use.
| Charging Method | Requirement | Customer Note |
|---|---|---|
| USB-C direct charging | Suitable 5V/1A or 5V/2A USB power source | Plug a USB-C cable directly into the battery’s charging port. |
| Power source options | USB wall adapter, laptop, power bank or suitable USB outlet | Useful when travelling or when a separate charger is not available. |
| Traditional charger | Compatible 18650 lithium battery charger | Can also be charged in a suitable external 18650 charger. |
| Device compatibility | Devices that accept standard 3.7V 18650 lithium batteries | Always confirm polarity, voltage and battery type before use. |
| Specification | Detail |
|---|---|
| Brand | SPERAS |
| Model | RC26 |
| Product Type | USB-C rechargeable 18650 lithium battery |
| Battery Type | 18650 rechargeable lithium battery |
| Capacity | 2600mAh |
| Voltage | 3.7V |
| Energy Rating | 9.62Wh |
| Charging Interface | Built-in USB-C charging port |
| Charging Input Support | 5V/1A or 5V/2A USB power source |
| Protection Circuit | Built-in PCB protection |
| Protection Features | Overcharge, over-discharge and over-current protection |
| Battery Top Style | Button-top 18650 format |
| Compatible Device Types | Compatible flashlights, headlamps, radios, cameras, doorbells, hobby electronics and other 18650-powered devices |
| Charging Convenience | No dedicated charger required for USB-C charging; also compatible with suitable 18650 chargers |
| Recommended Use | Spare battery, replacement battery, travel battery, flashlight battery and outdoor gear battery |
Choose the SPERAS RC26 when you want a rechargeable 18650 battery with direct USB-C charging, dependable 2600mAh capacity and built-in protection for compatible flashlights, headlamps and everyday electronics.





















































































