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18650 Battery Pack SMT Cell Holder | 1 to 4 Cells | SMD PCB Mount | <1A | DIY Battery Pack
18650 Battery Pack SMT Cell Holder | 1 to 4 Cells | SMD PCB Mount | <1A | DIY Battery Pack
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18650 Battery Pack SMT Cell Holder — 1 to 4 Cells | SMD PCB Mount | DIY Battery Pack
A compact SMT (surface mount) 18650 cell holder for building 1S to 4S 18650 lithium battery packs directly on a PCB. The SMD footprint allows the cell holder to be soldered to a PCB like any other surface mount component, creating a clean, low-profile battery pack integration without wires or separate battery holders. Supports 1, 2, 3, or 4 cells in series or parallel configurations depending on the variant selected. Maximum current rating is <1A, making this holder suitable for low-power microcontroller projects, IoT sensors, and portable electronics where the battery pack is the primary power source. Not suitable for high-current applications such as power tools or high-power LED drivers.
Specifications
| Cell Type | 18650 Lithium (3.7V nominal per cell) |
| Cell Count | 1 / 2 / 3 / 4 cells (as selected) |
| Mount Type | SMT (SMD, surface mount) |
| Maximum Current | <1A |
| Configuration | Series or parallel (depends on PCB design) |
| Origin | Mainland China |
18650 Cell Voltage Reference
| Configuration | Nominal Voltage | Fully Charged | Discharged |
|---|---|---|---|
| 1S (1 cell) | 3.7V | 4.2V | 3.0V |
| 2S (2 cells series) | 7.4V | 8.4V | 6.0V |
| 3S (3 cells series) | 11.1V | 12.6V | 9.0V |
| 4S (4 cells series) | 14.8V | 16.8V | 12.0V |
Key Features
- ✅ SMT/SMD mount — solders directly to PCB, no wires or separate holder mounting required
- ✅ 1–4 cell options — select the cell count for your voltage and capacity requirements
- ✅ 18650 standard — compatible with all standard 18650 lithium cells (flat top and button top)
- ✅ Low-profile design — compact SMD footprint for space-constrained PCB designs
- ✅ DIY battery pack — build custom battery packs for Arduino, ESP32, and IoT projects
Common Applications
- Arduino and ESP32 portable power supply
- IoT sensor node battery pack
- Portable LED lighting battery pack
- DIY power bank PCB
- Wearable electronics battery pack
- Remote control and wireless device battery
- Custom embedded system battery integration
Important Notes
- Current limit: Maximum <1A. Do not use for high-current applications.
- BMS required: Always use a Battery Management System (BMS) with lithium cells to prevent overcharge, over-discharge, and short circuit.
- 18650 cells not included — purchase 18650 cells separately.
- Flat top cells recommended — verify cell dimensions (18mm diameter, 65mm length) before purchasing cells.
Frequently Asked Questions
Q: Are 18650 cells included?
A: No. This listing is for the cell holder only. Purchase 18650 lithium cells separately from a reputable supplier.
Q: Can I use this holder for high-current applications like power tools?
A: No. The maximum current rating is <1A. For high-current applications, use a through-hole cell holder with heavier gauge contacts or spot-weld nickel strips directly to the cells.
Package Contents
- 1× 18650 SMT Cell Holder (cell count as selected)
- 18650 cells not included
