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Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed

$11.00
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Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed
Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed

Efest 4549 IMR 21700 3700mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery - Boxed

Brand:Efest
MPN:4549
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  • Size: 21700
  • Voltage: 3.7
  • Rechargeable: Yes
  • Chemistry: Li-Ion
  • Capacity (mAh): 3700
  • Terminal Type: Flat Top
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Description

Efest IMR 21700 Unprotected High-Drain Lithium Ion Flat Top Battery

3.7V, 3700mAh

High draining and long-lasting, the Efest 4549 IMR 21700 Li-Ion Flat To Battery is the perfect power source for your personal flashlight! This impressive cell features an incredibly stable Lithium Manganese Oxide chemistry, which is able to provide 35 Amperes of current, more than enough to power your highest-draining flashlights. The IMR 21700 has a sizable 3700 mAh capacity, giving you plenty of usage before needing to recharge. The unprotected cell is compatible with rapid chargers, bringing it back to full power in no time!

Features:

    >
  • Stable Lithium Ion chemistry
  • CE, RoHS, and MSDS Certified
  • Comes with Efest's 3 Month Warranty

Specifications:

  • Battery Size: 21700
  • Battery Chemistry: IMR (LiMn(2O4)
  • Nominal Voltage: 3.7V
  • Nominal Capacity: 3700 mAh
  • Max Charging Current: 4.0A
  • Recommended Charging Current: 2.0A
  • Estimated Charge Cycles: 500 cycles
  • Max Discharge Current: 35A
  • Charging Temperature Range: 32°F to 113°F (0°C to 45°C)
  • Operating Temperature Range: -4°F to 167°F (-20°C to 75°C)
  • Shelf Life: 10 Years
  • Dimensions:
    • Length - 0.83" (21 mm)
    • Diameter - 2.76" (70 mm)

lithium-ion safety warning
collection: 10% Applicable; product type: Batteries - Li-Ion Rechargeable
CAUTION: Unprotected Li-Ion Battery
Unless equipped and 'protected' with a PCB (protection circuit module) and/or similar device, lithium-ion (li-ion) rechargeable battery cells are not recommended by BatteryJunction.com or our parent and associated companies, or the respective manufacturers, as a stand-alone product. Misuse of lithium-ion rechargeable battery cells can pose a serious risk of personal injury or property damage.
Use caution when working with li-ion cells, as they are very sensitive to charging characteristics and may explode or burn if mishandled. Make sure the user has appropriate understanding of li-ion rechargeable batteries in charging, discharging, and assembly before use. Always charge in/on a fire-proof surface. Never leave charging batteries unattended. We are not responsible for damage if there is any modification of the batteries/chargers in any shape or form (including but not limited to pack making). We are not responsible for any damage caused by misuse or mishandling of li-ion batteries and chargers.
No express or implied guarantee of compatibility with any device can be made. Please do your research and make sure this battery is compatible with the item you intend to use it with.
Charge only in a smart charger designed for the specific type of lithium-ion batteries. Do not mix and match old and new, used and unused batteries.
Do not dispose in a fire. Regulations and laws pertaining to the recycling and disposal of lithium-ion batteries vary from country to country, as well as by state and local governments. Please consult your local jurisdiction regarding appropriate disposal. Many retail stores offer free recycling of rechargeable batteries.
Item Details
Brand Efest
SKU EFEST-4549
MPN 4549
UPC 6958946202252
Size 21700
Voltage 3.7
Battery Rechargeable Yes
Capacity (mAh) 3700
Chemistry Li-Ion
Sub-Chemistry LiMn2O4 IMR
Shelf Life 10 Years
Packaging Contractor Pack
QTY Per Package 1
California Residentssee Prop 65 WARNINGS
Specifications
Size 21700
Voltage 3.7
Battery Rechargeable Yes
Capacity (mAh) 3700
Terminal Type Flat Top
Integrated Charge Port No
Max. Discharge Rate 35
Unit Dimensions
Length 2.76 in (70 mm)
Diameter 0.83 in (21 mm)
Certifications & Transport
Certifications/Standards CE, RoHS
Country Of Origin China
HTS Code 85076000
Packaging/Shipping Dimensions
Length 2.85 in
Width 0.88 in
Height 0.88 in
Shipping Weight 0.17 lb
Additional Details
Packaging Contractor Pack
Warranty Efest 3 Month Warranty
Battery Junction Warranty
Return Policy Return Policy

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