🔋 Charging Your 3500L Flashlight (USB-C)
The Infinity X1 3500 Lumen Flashlight includes a removable rechargeable battery with USB-C ports built into the battery itself.
To charge the flashlight:
✅ What You’ll Need
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The USB-C charging cable (included)
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A 5V/1A USB charging cube (not included)
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Access to the rechargeable battery
🔌 Charging Steps
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Remove the rubber cap from the bottom of the flashlight to expose the USB-C ports.
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Plug the USB-C cable into the red “IN” port to begin charging.
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Use a standard USB charging cube (5V/1A recommended).
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The indicator light should turn red while charging and green when fully charged.
💡 You can also choose to unscrew the flashlight’s tail cap, remove the rechargeable battery, and charge it directly using the same ports.
🔋 USB-C Port Details (on battery)
| Port Type | Function | Color |
|---|---|---|
| USB-C IN | Charges the battery | 🔴 Red |
| USB-C OUT | Charges phones/devices externally | ⚫ Black |
📱 Can It Charge a Phone?
Yes — the black USB-C OUT port can power small USB-C devices.
⚠️ Not all phones or cables are compatible. Use a high-quality charging cable and monitor device charging behavior.
🔋 Charging Indicator Light
Charging indicator light on the battery pack.
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🔴 Red = Charging, 🟢 Green = Fully Charged
🔋 Battery Level Indicators (When Flashlight is On)
Above the power button, you’ll see 4 small blue lights that indicate the remaining battery level only while the flashlight is on:
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🔵🔵🔵🔵 = 100% full
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🔵🔵🔵⚫ = ~75%
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🔵🔵⚫⚫ = ~50%
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🔵⚫⚫⚫ = ~25%
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⚫⚫⚫⚫ = Recharge soon
⚠️ These lights do not turn on during charging — they only display when the flashlight is powered on.
🛠️ If It’s Not Charging
Check out our article:
🛠️ Infinity X1 3500L Flashlight – Not Charging or Turning On? Try This First
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