10440 500mAh 3.7V Rechargeable Batteries (2/10-Pack) - UltraFire
10440 500mAh 3.7V Rechargeable Batteries (2/10-Pack) - UltraFire
10440 500mAh 3.7V Rechargeable Batteries (2/10-Pack) - UltraFire
10440 500mAh 3.7V Rechargeable Batteries (2/10-Pack) - UltraFire
10440 500mAh 3.7V Rechargeable Batteries (2/10-Pack) - UltraFire

UltraFire 10440 500mAh 3.7V Batteries (2/10-Pack)
$31.98
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Included

  • Specifications

  • reviews

Brand

UltraFire
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Battery Type

10440
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Material

Li-ion
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Capacity

500mAh (Actual: 320mAh)
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Rated Voltage

3.7V
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Charge Termination Voltage

4.2V
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Maximum Charge Current

320mA
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Maximum Discharge Current

320mA
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Size

46mm x 10mm x 10mm
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Weight

30g
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Chargeable

Yes
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Protective Case

Yes
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Certifications

CE, FCC, MSDS, UN38.8

Customer Reviews

Based on 3 reviews
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C
Chloe_Adventurer
Reliable Power for Gadgets

These batteries are a game-changer for my gadgets. The charge-discharge cycle is impressive, and they recharge quickly. Definitely worth the investment if you need reliable power sources.

S
Sarah_Skywalker
Great Value with Protection

Great value for the price. The protection board is a nice feature, giving me peace of mind against overcharging. They fit perfectly in my flashlight and provide consistent power.

J
Jake_Maverick
Fantastic Battery Life!

"I've been using these UltraFire batteries for a few weeks now, and they are fantastic! They hold a charge really well and seem to last longer than other brands I've tried. Perfect for my high-drain devices."