17670 1800mAh 3.7V Rechargeable Batteries (2-Pack) - UltraFire
17670 1800mAh 3.7V Rechargeable Batteries (2-Pack) - UltraFire
UltraFire_HIGH_DRAIN_LI-ION_RECHARGEABLE_BATTERY_10 - UltraFire
UltraFire_HIGH_DRAIN_LI-ION_RECHARGEABLE_BATTERY_10 - UltraFire
InternalSafetyFeatures_5 - UltraFire
InternalSafetyFeatures_5 - UltraFire
ContinuousDischargeCurrent - UltraFire
ContinuousDischargeCurrent - UltraFire
UltraFire 10440 500mAh 3.7V Batteries (2/10-Pack) - Protected - UltraFire
UltraFire 10440 500mAh 3.7V Batteries (2/10-Pack) - Protected - UltraFire
MercuryFree_LeadFree_CadmiumFree_10 - UltraFire
MercuryFree_LeadFree_CadmiumFree_10 - UltraFire
SafeandReliable_6 - UltraFire
SafeandReliable_6 - UltraFire
Low_Cost_and_Environmentally_Friendly_7 - UltraFire
Low_Cost_and_Environmentally_Friendly_7 - UltraFire
1-Year_Free_Warranty - UltraFire
1-Year_Free_Warranty - UltraFire
17670 1800mAh 3.7V Rechargeable Batteries (2-Pack) - UltraFire
17670 1800mAh 3.7V Rechargeable Batteries (2-Pack) - UltraFire

UltraFire 17670 1800mAh 3.7V Batteries (2-Pack) - Protected

$18.99
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Features

Dependable Power in a Slim Profile
The UltraFire 17670 rechargeable batteries deliver up to 1800mAh capacity (actual ~1600mAh), offering a reliable power source for flashlights, electronics, and other compatible devices.

 

Built-in Protection for Safety
Each cell is equipped with a protection circuit to guard against overcharging, over-discharging, and short circuits, ensuring safe and stable performance.

 

Durable & Rechargeable
Engineered with Li-ion chemistry, these batteries are rechargeable and long-lasting, making them a cost-effective and eco-friendly alternative to disposable batteries.

 

Certified Quality
Comes with a protective storage case and carries CE, FCC, MSDS, and UN38.8 certifications, meeting international safety standards.

Free Shipping 

Easy Returns

1-Year Warranty

  • Specifications

  • reviews

Brand

UltraFire
Title

Battery Type

17670
Title

Material

Li-ion
Title

Capacity

1800mAh
Title

Actual Capacity

1600mAh
Title

Rated Voltage

3.7V
Title

Charge Termination Voltage

4.2V
Title

Discharge Termination Voltage

2.75V
Title

Size

67×17×17mm
Title

Weight

85g
Title

Chargeable

Yes
Title

Protective Case

Yes
Title

Certifications

CE, FCC, MSDS, UN38.8

Customer Reviews

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17670 1800mAh 3.7V Rechargeable Batteries (2-Pack) - UltraFire
UltraFire_HIGH_DRAIN_LI-ION_RECHARGEABLE_BATTERY_10 - UltraFire
InternalSafetyFeatures_5 - UltraFire
ContinuousDischargeCurrent - UltraFire
UltraFire 10440 500mAh 3.7V Batteries (2/10-Pack) - Protected - UltraFire
MercuryFree_LeadFree_CadmiumFree_10 - UltraFire
SafeandReliable_6 - UltraFire
Low_Cost_and_Environmentally_Friendly_7 - UltraFire
1-Year_Free_Warranty - UltraFire
17670 1800mAh 3.7V Rechargeable Batteries (2-Pack) - UltraFire

UltraFire 17670 1800mAh 3.7V Batteries (2-Pack) - Protected