3.7V Lipo Pouch Battery 402025 for Smart AI Devices

  • Designed for Compact and Portable Electronics
    The 402025 lithium battery features an ultra-compact size (4 × 20 × 27mm) and a lightweight design of only 3.7g, making it ideal for space-constrained and lightweight electronic products.
  • Stable 3.7V Output for Everyday Smart Devices
    With a nominal voltage of 3.7V and a rated capacity of 150mAh, this battery delivers reliable and consistent power for low-power smart electronics and consumer devices.
  • Wide Operating Temperature for Indoor and Outdoor Use
    Supporting charging at 0°C–45°C and discharging at -20°C–60°C, the 402025 battery performs reliably in various environments, suitable for both indoor and outdoor electronic applications.
  • Built-in Safety Protection for Consumer Products
    Integrated protection functions, including overcharge, short-circuit, overcurrent, overload, and thermal protection, help ensure safe operation, with no risk of fire or explosion under normal use conditions.
  • Versatile Power Solution for Multiple Application Products
    Widely used in compact electronic products such as Bluetooth earphones, Bluetooth trackers, GPS trackers, remote controls, smart key fobs, wireless sensors, portable music speakers, digital thermometers, electronic locks, smart tags, mini IoT devices, and wearable electronics, the 402025 battery provides a dependable power source across diverse applications.
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Description

Battery Specifications

  • Model: 402025
  • Product Size: 4mm × 20mm × 27mm (Thickness × Width × Length)
  • Nominal Voltage: 3.7V
  • Rated Capacity: 150mAh
  • Charge Voltage: 4.2V
  • Discharge Voltage: 2.75V
  • Charge / Discharge Current Range: 75mAh – 150mAh
  • Operating Environment:
    • Charging: 0°C ~ 45°C
    • Discharging: -20°C ~ 60°C
  • Cycle Life: 500 cycles (>80% capacity retention)
  • Storage Environment:
    • -20°C ~ 45°C; 65±20% RH
    • Long-term storage (>3 months): <35°C; 65±20% RH
  • Protective Functions: Anti-overcharge, anti-short circuit, anti-overcurrent, anti-overload, thermal protection (no explosion, no fire)
  • Weight: 3.7g
  • Certificate: ISO, UN38.3, MSDS, IEC62133, CE, TUV, CB, KC, BIS, KSE, UL, REACH, RoHS
  • Application: Bluetooth earphone, tracker, remote control, music box

Additional information

Capacity

150 mAh

Voltage