Recycled materials
UltraFire® 10440 Battery (Unprotected) 2 PCS
UltraFire® 10440 Battery (Unprotected) 2 PCS
UltraFire® 10440 Battery (Unprotected)
UltraFire® 10440 Battery (Unprotected)

UltraFire® 10440 Battery (Unprotected)

350mAh | 3.6V | Unprotected
The UltraFire 10440 350mAh battery delivers compact, reliable 3.6V power for small flashlights and electronic devices, with no protection circuit for a slimmer, more compact form factor.
Size: 10.2mm x 43.9mm
$15.99
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Features

  • 330–350mAh capacity for extended runtime in compact devices
  • 3.6V nominal voltage, standard for 10440 Li-ion cells
  • Unprotected (no PCB) design for a slim, low-profile fit
  • Rated up to 1A maximum discharge current
  • Rechargeable up to 500 cycles
  • Compact 10.2mm x 43.9mm size at just 8.7g

Use Cases

  • Small LED flashlights and penlights requiring a slim battery diameter
  • Laser pointers
  • Small electronic gadgets and devices needing 3.6V Li-ion power
  • Devices with their own built-in battery protection circuitry (since the cell itself is unprotected)

Specifications

Capacity

330–350mAh
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Nominal Voltage

3.6V
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Charge Cutoff Voltage

4.20V
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Discharge Cutoff Voltage

2.75V
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Max Discharge Current

1A
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Dimensions

Ø10.2mm x 43.9mm
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Weight

8.7 ± 0.5g
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Charge Rate

0.2C
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Discharge Rate

0.5C
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Cycle Life

≥500 cycles
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Protection

None (bare cell)
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Certifications

CE, FCC, MSDS, UN38.8

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UltraFire® 10440 Battery (Unprotected) 2 PCS
UltraFire® 10440 Battery (Unprotected)
UltraFire® 10440 Battery (Unprotected) 2 PCS
UltraFire® 10440 Battery (Unprotected)

UltraFire® 10440 Battery (Unprotected)