25mAh 3.7V Lithium Polymer Li-Po Rechargeable Battery

25mAh 3.7V Lithium Polymer Li-Po Rechargeable Battery This ultra-compact 25mAh 3.7V Lithium Polymer Li-Po Rechargeable Battery is designed to deliver reliable portable power for extremely space-constrained miniature electronics. Furthermore, it features a lightweight pouch structure with exposed nickel solder tabs, consequently allowing direct connection or wiring to micro-circuits. Therefore, it is an ideal energy source for tiny wearables, miniature wireless beacons, and custom micro-IoT hardware. However, users must ensure that charging voltages do not exceed standard lithium polymer limits to maintain battery health and prevent over-pressurization. Specifically, the yellow insulated body provides basic environmental protection while maintaining a minimal footprint. Moreover, the stable nominal voltage ensures consistent low-power device operation. Ultimately, this rechargeable micro-cell offers an efficient power solution for ultra-small electronic applications.

Key Features:

• Ultra-Compact Form Factor: Designed specifically for micro-electronics where space is strictly limited.
• Stable Nominal Output: Delivers a steady 3.7V DC output voltage for efficient low-power device operation.
• Exposed Nickel Tabs: Features flat metal solder tabs for direct board mounting or wire attachment.
• Lightweight Construction: Minimal mass prevents adding unwanted weight to wearable or flight projects.
• High Energy Density: Maximizes storage capacity within a tiny physical volume.
• Low Self-Discharge: Retains stored energy effectively during periods of non-use.

Technical Specifications:

• Battery Type: Lithium Ion Polymer (LiPo)
• Capacity: 25 mAh (Model: APL401010)
• Nominal Voltage: 3.7V DC
• Fully Charged Voltage: 4.2V DC
• Cut-off Voltage: ~3.0V DC
• Operating Temperature Range: −20°C to +60°C

Mechanical Specifications:

• Enclosure Material: Yellow Insulated Foil Pouch
• Terminals: Dual Flat Nickel Solder Tabs (+ and −)
• Protection Circuit: External protection circuit module (PCM) may be required depending on application wiring

Dimensions:

• Thickness: ≈ 4.0 mm
• Width: ≈ 10.0 mm
• Length: ≈ 10.0 mm

Pinout and Wiring:

• Positive Tab (+): Connect to the positive power input line of your circuit (marked with polarity symbols on the cell).
• Negative Tab (−): Connect to the common ground line of your circuit.
• Soldering Caution: However, apply heat quickly and carefully when soldering to the nickel tabs to prevent internal thermal damage to the cell.

Datasheet Reference:

• Download Micro Lithium Polymer Battery Application Guide

Commonly Used in:

• Micro-Wearables: Powering tiny smart rings, fitness trackers, and miniature health monitoring devices.
• Miniature Gadgets: Supplying portable power for custom keychains, remote controls, and novelty toys.
• Bluetooth Peripherals: Energizing ultra-small wireless earbud components or miniature modules.

Applications:

• Standalone Micro-Power: Enabling untethered operation for extremely compact electronics like Smart Watch, Bluetooth Earbuds, DIY Electronics & Wearable Devices
• Battery Replacements: Serving as a replacement energy cell for miniature commercial gadgets.
• Consequently, it facilitates advanced miniaturization in custom electronic design projects.

Equivalent Models:

• 3.7V 50mAh LiPo Battery: Slightly larger capacity alternative in a comparable micro footprint.
• 3.7V 20mAh LiPo Cell: Alternative ultra-small rechargeable power source.
• CR927 Coin Cell: Non-rechargeable micro lithium coin battery alternative.

Package Includes:

• 1 × 25mAh 3.7V Lithium Polymer Li-Po Rechargeable Battery