Lithium Ion Battery Pack - 3.7V 6600mAh
We have ✅ 6 available of the AF-353 in our Sydney warehouse. An extra 65 units available with a short lead time.
A high-capacity 3.7 V lithium-ion battery pack built from three 2200 mAh 18650 cells connected in parallel, providing 6600 mAh of total capacity. The cells are spot-welded to a built-in protection circuit that guards against overcharging, over-discharging, and overcurrent.
The pack includes a JST 2-pin connector (genuine JST, rated for 2 A) for easy connection to compatible charger boards. The protection circuit cuts output at approximately 3.0 V to prevent damage from deep discharge.
Key Features
- 6600 mAh Capacity – Three parallel 2200 mAh 18650 cells
- Built-In Protection – Overvoltage, undervoltage, and overcurrent protection circuit
- JST 2-Pin Connector – Genuine JST plug with colour-coded wires
- 3.3 A Peak Discharge – 0.5C per cell (1.1 A each)
- Compact Form Factor – 69 × 54 × 18 mm
Specifications
- Nominal Voltage – 3.7 V
- Capacity – 6600 mAh
- Cell Configuration – 3× 18650 in parallel (1S3P)
- Max Continuous Discharge – 3.3 A
- Recommended Continuous Load – ≤1.3 A (0.2C)
- Max Charging Rate – 1.65 A (0.25C)
- Recommended Charging Rate – ≤1 A
- Cutoff Voltage – ~3.0 V (protection circuit)
- Connector – JST PH 2-pin (rated 2 A)
- Dimensions – 69 × 54 × 18 mm
- Weight – 155 g
Ideal For
- Portable electronics and IoT projects
- Raspberry Pi and single-board computer battery backup
- Robotics and wearable electronics
- Any project requiring extended battery life at 3.7 V
The Lithium Ion Battery Pack - 3.7V 6600mAh appears in the following collections:
