This is a rechargeable 18650 Li-ion battery for compatible equipment owners used as a replacement or spare power cell to solve the need for repeat-use 3.7V battery power.
Source: https://fitorchstore.com/products/c260

| Variant | Price | Availability |
|---|---|---|
| Default Title | 9.95 USD | In Stock |
Is this battery rechargeable?
Yes. The Fitorch RC260 is a rechargeable lithium-ion battery intended for repeated use with a suitable charger.
What devices can use the Fitorch RC260?
It is for compatible equipment that supports the 18650 battery format, 3.7V Li-ion voltage, and matching terminal fit.
What charger should I use with it?
Use a charger designed for a 3.7V Li-ion cell with a 4.2V full-charge voltage.
How much capacity does this battery have?
The RC260 has a 2,600mAh capacity and is labeled 9.62Wh.
How do I know which way to insert it?
The battery wrapper marks the positive and negative polarity, but you should still check your device’s required orientation before fitting it.