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This product is a high-performance, high-safety rechargeable lithium-ion battery pack. It is meticulously assembled using four high-quality 18650 cylindrical cells in a "4 series 1 parallel" (4S1P) configuration, meaning four cells are connected in series to increase voltage, and each cell is connected in parallel to maintain capacity, resulting in a compact battery module. The battery pack comes standard with a high-performance protection circuit board (PCB) and pre-soldered output leads and terminals for easy connection, making it truly ready to use.
Its compact size (19*37*65mm) allows for easy integration into various space-constrained devices. With a capacity of up to 3200mAh and a standard voltage of 14.8V, it provides an ideal power solution for devices and projects requiring long-lasting and stable power. Whether for hobbyist DIY projects or professional equipment power upgrades, this battery pack is a reliable choice.
Product Advantage
High Energy Density: Utilizing high-quality 18650 battery cells, it provides a capacity of up to 3200mAh and a voltage of 14.8V within a limited space, ensuring powerful and long-lasting energy output.
Excellent Safety: Built-in intelligent protection board provides multiple safety protections, including:
Overcharge protection: Prevents voltage from exceeding safe limits.
Over-discharge protection: Prevents voltage from dropping too low and damaging the battery cells.
Overcurrent/short-circuit protection: Automatically cuts off the circuit in case of abnormal current or short circuit.
Temperature monitoring: (Available in some models) Enhances safety during high-temperature use.
Plug-and-play, easy to use: The protection board and connecting terminals are pre-installed at the factory, eliminating the need for users to assemble or solder, saving time and effort, and lowering the barrier to use.
Robust and Stable Structure: Reliable connection technology (such as spot welding) is used between the battery cells, and high-strength insulating sleeves or encapsulation are used externally to ensure a stable physical structure, resistant to vibration and impact.
Long Cycle Life: Under recommended conditions, it can provide hundreds of charge-discharge cycles, making it economical and efficient.
Environmentally Friendly and Reliable: Complies with RoHS and other environmental standards, with stable performance and low self-discharge rate.
Technical Parameters
| Battery Cell Model： | 18650 Cylindrical Lithium-ion Cell Standard size (18mm diameter, 65mm length) |
| Configuration: | 4 Series 1 Parallel (4S1P) 4 cells in series, voltage added; no parallel connection, capacity remains unchanged |
| Nominal Voltage: | 14.8V 3.7V per cell * 4 cells |
| Full Charge Voltage: | Approximately 16.8V 4.2V per cell * 4 cells |
| Discharge Cut-off Voltage: | Approximately 12.0V 3.0V per cell * 4 cells (controlled by protection board) |
| Nominal Capacity: | 3200mAh Measured at a standard discharge rate of 0.2C |
| Energy： | Approximately 47.4Wh Voltage (V) × Capacity (Ah) = 14.8V × 3.2Ah |
| Maximum Continuous Discharge Current: | Typically 4A - 6.4A Depends on the cell's C-rate (recommended to estimate based on 1C-2C, please refer to the actual specifications) |
| Dimensions (Approx.): | 19mm × 37mm × 65mm (Width × Height × Length), dimensions may vary slightly due to insulation packaging and leads |
| Weight: | Approximately 150g - 180g Actual weight may vary depending on process and materials Output Interface |
| With Terminal Leads Usually two wires: | red (positive) and black (negative), terminals for connection |
| Protection Functions: | Overcharge, over-discharge, overcurrent, short-circuit protection Standard configuration |
Product Uses
This 14.8V battery pack is versatile and suitable for a wide range of devices requiring medium voltage and portable power, such as:
Drones/Model Aircraft: Providing power for quadcopters and fixed-wing model aircraft.
Robotics Platforms: Mobile power source for educational robots, competition robots, and mobile service robots.
Portable Devices: Outdoor lighting (high-powered flashlights, camping lights), portable speakers, and photography fill lights.
Tools and Instruments: Small power tools (such as precision screwdrivers), measuring instruments, and electronic experiments and project development.
DIY Creative Projects: Various self-made devices for makers and electronics enthusiasts, such as electric skateboards, mini scooters, and solar energy storage systems.
Backup Power: Serving as an emergency or offline power pack for small devices.
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Product Precautions
Use a dedicated charger: It is strictly forbidden to use non-lithium battery chargers or adapters for direct charging! You must use a smart balance charger compatible with the 14.8V (4-series) lithium battery pack and set the correct charging parameters (such as 16.8V cutoff, recommended current of 0.5C, approximately 1.6A).
Avoid extreme operations: Do not disassemble, crush, or puncture the battery. Do not throw the battery into fire or place it in a high-temperature environment (>60℃) (such as a car dashboard).
Prevent short circuits: The positive and negative terminals of the output must not be directly connected or short-circuited with metal objects. When transporting and storing, it is best to wrap the terminals with insulating tape.
Proper use: Avoid over-discharging the battery on the device (until the device stops working). Before long-term storage, please maintain the battery charge at around 50%.
Storage environment: Please store the battery in a cool, dry place, out of reach of children and pets. Avoid moisture and direct sunlight.
Disposal: After the battery reaches the end of its life, do not discard it randomly. It should be sent to a designated battery recycling point for disposal in accordance with local regulations.
FAQ
Q1: Can this battery pack directly replace the 12V lead-acid battery in my device?
A: Caution is advised. Although the fully charged voltage (16.8V) is higher than 12V, the operating voltage range (approximately 12V-16.8V) is different from that of lead-acid batteries (approximately 10.5V-14V). Some devices (such as motors) may work, but the speed or power may change, and some precision electronic devices may be damaged due to overvoltage. It is recommended to confirm whether your device's voltage input range is compatible with a 14.8V lithium battery, or use a step-down module for matching.
Q2: How long does it take to fully charge the battery?
A: Charging time depends on the charger's current. For example, using a 1.6A (approximately 0.5C) charger, it takes about 2.5-3 hours to fully charge a completely depleted 3200mAh battery (considering charging efficiency). Do not use a charging current exceeding the maximum recommended charging current for the battery cells.
Q3: How can I determine how much battery power is left?
A: The most accurate method is to measure the battery voltage using a power detector with a voltage display function or a multimeter. For a rough estimate, you can refer to: fully charged is approximately 16.8V, 50% charge is approximately 15.2V, and the discharge cutoff is approximately 12.0V (the protection board will activate beforehand). It is not recommended to accurately calculate the capacity based solely on the no-load voltage.
Q4: Can the battery packs be connected in parallel to increase capacity?
A: It is strongly discouraged for users to connect multiple battery packs in parallel on their own. Parallel connection requires the battery packs to have highly consistent voltage and internal resistance, and requires special connections and configurations under the guidance of professionals. Otherwise, it is very easy to cause mutual charging and discharging between batteries (circulating current), leading to overheating, damage, or even danger.
Q5: What should I do if the battery is not used for a long time?
A: It is recommended to check the voltage every 3 months. If the voltage is below 12.5V (below 3.1V per cell), use a charger to replenish it to the storage voltage (approximately 15.2V, i.e., approximately 3.8V per cell), and then store it in a cool, dry place.
Disclaimer: This product is a hazardous chemical. Users must possess basic electrical safety knowledge. The manufacturer is not liable for any property damage, personal injury, or accidents resulting from misuse, abuse, modification, or failure to follow these instructions. Please use safely and responsibly.
