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Description
Weltool BB11 Extension Tube – Dual 21700 Battery Tube for F11R FlashlightWeltool BB11 Extension Tube The Weltool BB11 (F11R ExtensionTube) is a flashlight accessory and dual battery extension tube made for the Weltool F11R flashlight. Installing the BB11 lets the F11R run two 21700 rechargeable lithium ion batteries (such as the Weltool INR21 60) for significantly longer runtime. Highlights Doubles battery capacity run two 21700 lithium ion batteries Made for the Weltool F11R flashlight Longer runtime for extended sessions
Weltool BB11 Extension Tube
The Weltool BB11 (F11R-ExtensionTube) is a flashlight accessory and dual-battery extension tube made for the Weltool F11R flashlight. Installing the BB11 lets the F11R run two 21700 rechargeable lithium-ion batteries (such as the Weltool INR21-60) for significantly longer runtime.
Highlights
- Doubles battery capacity — run two 21700 lithium-ion batteries
- Made for the Weltool F11R flashlight
- Longer runtime for extended sessions in the field
- Extension tube only — flashlight and batteries sold separately
Specifications
| Model | Weltool BB11 |
| Compatibility | Weltool F11R Flashlight |
| Battery Support | 2 × 21700 lithium-ion (e.g. INR21-60), not included |
| Material | Aluminum alloy, anodized finish |
| Includes | Extension tube only |
Frequently Asked Questions
What does the Weltool BB11 extension tube do?
The Weltool BB11 (F11R-ExtensionTube) lets the Weltool F11R flashlight use two 21700 lithium-ion batteries instead of one, increasing runtime.
Which flashlight is the Weltool BB11 compatible with?
The Weltool BB11 (F11R-ExtensionTube) is designed for the Weltool F11R flashlight.
What batteries does the Weltool BB11 use?
With the Weltool BB11 (F11R-ExtensionTube) installed, the F11R accepts two 21700 rechargeable lithium-ion batteries such as the Weltool INR21-60. Batteries are not included.
Does the Weltool BB11 include a flashlight or batteries?
No. The Weltool BB11 (F11R-ExtensionTube) is the extension tube only; the F11R flashlight and 21700 batteries are sold separately.
Why use a dual-battery extension tube?
The Weltool BB11 (F11R-ExtensionTube) roughly doubles available battery capacity, extending runtime for longer tasks without recharging.
Where can I buy the Weltool BB11?
You can buy the Weltool BB11 (F11R-ExtensionTube) at Going Gear. Going Gear is an authorized Weltool dealer.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy