This is a rechargeable 21700 lithium-ion battery for compatible flashlight and power-accessory users used as a replacement or spare cell to solve runtime and downtime issues.
Source: https://fitorchstore.com/products/c270

| Variant | Price | Availability |
|---|---|---|
| Default Title | 19.95 USD | In Stock |
Can I use this battery in any flashlight?
No. It should only be used in flashlights or devices that specifically accept 21700 lithium-ion batteries.
Does the Fitorch C270 have a USB charging port?
No. This battery has no built-in USB charging port and must be removed and charged in a compatible 21700 Li-ion charger.
What capacity is this battery?
It has a 5,000 mAh capacity and stores 18.5 Wh of energy for compatible devices.
Is this good as a spare battery?
Yes. It is useful as a replacement or spare battery for supported 21700-powered gear, especially when you want to reduce downtime.
What voltage is the battery?
It is a rechargeable Li-ion cell with a 3.7 V nominal voltage.