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Keeppower Protected 16650 Li-ion Battery P1621U USB Rechargeable 3.6V 2100mAh 7.56Wh Flashlight Battery Included with a 2-in-1 Charging Cable (2 Pack)

 
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Keeppower Protected 16650 Li-ion Battery P1621U USB Rechargeable 3.6V 2100mAh 7.56Wh Flashlight Battery Included with a 2-in-1 Charging Cable (2 Pack)




Regular Price: US$69.99

Special Price US$59.99

Availability: In stock


Supplier: Keeppower

Category: Home & Garden Household Cleaning & Vacuums Household Batteries 3.7V


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US$19.99 shipping fees for any order

Key Benefits

  • 🔋 Capacity & Voltage — 2100mAh nominal capacity at 3.6V delivers 7.56Wh of energy per battery.
  • 🛡️ Protected Circuit — Built-in protection guards against overcharge, overdischarge, overcurrent, and short circuits.
  • 🔌 USB Rechargeable — Charges via included 2-in-1 USB charging cable at 420mA standard charge current.
  • 📏 Compact 16650 Size — Dimensions 16.70mm diameter × 70.20mm length, weighing approximately 41g per cell.
  • 🔦 Flashlight Compatible — Fits Surefire Fury Tactical, M4, Arisaka 600 series, Inova X5 LED, and equivalent 18650 or dual RCR123A slots.

Common Questions

What is included in this 2-pack?
Two Protected 16650 Li-ion batteries (model P1621U) and one 2-in-1 USB charging cable.
What flashlight models does this battery fit?
It fits Surefire Fury Tactical, M4, Arisaka 600 series lights, Inova X5 LED, and any flashlight designed for 1×18650 protected batteries or 2×RCR123A configurations.
How long does charging take?
The standard charge current is 420mA at 4.20V, though charging time depends on your specific charger.
Is this battery safe for high-drain devices?
Yes, the built-in protection circuit prevents overcharge, overdischarge, overcurrent, and short circuits.
 
Be Safe - We Directly Ship From Country of Origin
 
BE SAFE
WE ONLY SOURCE
FROM OFFICIAL SUPPLIERS
 
From United States
To International
In 5-10 Days
US$19.99 shipping fees for any order
 
GRAND SELECTION

Think of it and most probably we have it among our grand selection of products!

 
AMAZING PRICES

Get ready for the amazing and best Supps prices ever!

 
FIXED RATE DELIVERY

Get your order anywhere on this planet within 5-10 days with a fixed rate of $19.99 (no matter the size of your order)

 

 

 
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