SPERAS 18650 Rechargeable 3.7V 2600mAh Lithium Battery with Micro USB Port

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Speras | SKU: SL-RC26
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AUD $25
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The SPERAS RC26 is a USB-C rechargeable 18650 lithium battery with 2600mAh capacity, 3.7V output and built-in PCB protection. Designed for compatible flashlights, headlamps and other 18650-powered devices, it can be recharged directly by USB-C using a suitable 5V/1A or 5V/2A USB power source.
18650 • 2600mAh • USB-C Rechargeable
SPERAS RC26 USB-C 18650 2600mAh Rechargeable Battery

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.

2600mAh Battery Capacity
3.7V Nominal Output
18650 Lithium Battery
USB-C Direct Charging
Recharge directly by USB-C

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.
SPERAS RC26 18650 2600mAh rechargeable lithium battery charging by USB-C cable
Why You’ll Love It

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.

2600mAh Capacity A practical capacity for compatible flashlights, headlamps and other 18650-powered devices.
Stable 3.7V Output Designed to deliver reliable 3.7V lithium battery power for compatible high-drain equipment.
USB-C Direct Charge Recharge the battery directly without needing to carry a separate charger for every situation.
Built-in Protection Integrated PCB protection helps prevent overcharge, over-discharge and over-current conditions.
Travel-Friendly Spare A convenient backup battery for outdoor kits, hunting packs, work bags and emergency setups.
Wide Device Use Suitable for compatible LED flashlights, headlamps, radios, cameras, doorbells and other 18650 devices.
SPERAS RC26 18650 rechargeable lithium battery front view showing SPERAS branding
Built for compatible high-drain gear

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.
SPERAS RC26 18650 rechargeable lithium battery with button top positive terminal
SPERAS RC26 2600mAh 18650 battery showing USB-C charging cable connection
Integrated safety protection

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.
Charging & Compatibility

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.
Important: do not use this battery in devices that do not support 3.7V 18650 lithium batteries. Keep lithium batteries away from children, heat, water and metal objects that could short the terminals.
Comprehensive Specifications
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
Frequently Asked Questions
Do I need a separate charger? No. The RC26 has a built-in USB-C charging port, so it can be charged directly with a suitable USB-C cable and USB power source.
Can it use an 18650 charger? Yes. It can also be charged in a suitable traditional 18650 lithium battery charger.
What capacity is it? The RC26 has a 2600mAh capacity and a 3.7V nominal voltage.
Is it protected? Yes. It includes built-in PCB protection against overcharge, over-discharge and over-current conditions.
What devices can use it? It is suitable for compatible devices that accept standard 3.7V 18650 lithium batteries, including many flashlights and headlamps.
Can I use it in any 18650 device? Only use it in devices that specifically support 3.7V 18650 lithium batteries. Always check your device requirements first.
2600mAh • Protected PCB • USB-C Direct Charge
A practical spare battery for compatible 18650-powered gear.

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.