16000mAh 3.7V Polymer Battery Pack for Portable Equipment

Portable devices often need more runtime without changing their existing voltage system. The 16000mAh 3.7V Polymer Battery Pack addresses this requirement by combining two 9060100 lithium-ion polymer cells in parallel. Each pouch cell provides 8000mAh capacity. Connecting both cells in parallel keeps the nominal voltage at 3.7V while increasing the total capacity to 16000mAh and the nominal energy to 59.2Wh. Such a structure works well for devices that already operate from a single-cell lithium battery voltage but need longer operating time than one pouch cell can provide.

1S2P Structure and Battery Performance

A 9060100 1S2P Battery Pack contains one series group and two parallel cells. Parallel connection increases capacity without raising the pack voltage.

Main pack characteristics include:

• 3.7V nominal voltage
• 16000mAh typical capacity
• 59.2Wh nominal energy
• Two matched 9060100 pouch cells
• Integrated PCM protection
• Customizable wires and connector

Before assembly, both cells should be matched by voltage, capacity and internal resistance. Proper matching helps distribute current more evenly during charging and discharging. Longer runtime is the main purpose of this pack. Continuous current and peak current must still match the selected PCM, wire gauge, connector and actual equipment load.

Flat Polymer Pouch Battery Design

Flat pouch cells give this 3.7V LiPo battery a rectangular structure that suits elongated or relatively thin battery compartments. Compared with cylindrical cells, the pouch format can make better use of available internal space in certain device designs. Approximate finished dimensions are 60.5 × 19 × 105mm, while the estimated weight is 250g. Installation planning should also allow space for the PCM, connector, wire outlet and insulation materials.

Before approving the enclosure, confirm:

• Available battery length
• Available width and thickness
• Wire outlet direction
• Connector position
• Fixing and insulation requirements
• Space for normal cell expansion

As part of the wider 3.7 volt lithium ion battery category, this product still needs to be clearly identified as a polymer pouch battery. That distinction helps buyers separate it from 18650 or 21700 cylindrical battery packs with the same nominal voltage.

Charging and Discharging Requirements

Charging requires a 1S lithium-ion or lithium-polymer charger with a 4.2V charge limit. Constant-current and constant-voltage charging should be used throughout the charging process. Based on the complete 16000mAh capacity, a 0.2C standard charge rate equals 3.2A. Full charging normally takes approximately five to six hours, including the constant-voltage stage.

Recommended charging parameters include:

• Charge limit voltage: 4.2V
• Standard charging current: 3.2A
• Standard charging rate: 0.2C
• Charging method: CC/CV
• Estimated charging time: Approximately 5–6 hours

At 0.4C, the calculated current reaches 6.4A. Using this higher current requires confirmation that the cells, PCM, wires, connector and charger can all support it safely. Discharge current should also be selected according to the complete device load. Motors, pumps, transmitters and other components with startup surges require separate peak-current testing.

Suitable Applications

A 16000mAh LiPo Battery Pack can support low-voltage products that need extended runtime and have enough installation space for a two-cell pouch structure.

Suitable applications may include:

• Portable monitoring equipment
• Handheld industrial terminals
• Inspection and testing instruments
• Portable diagnostic equipment
• Rehabilitation devices
• Mobile data collection equipment
• Portable communication devices
• IoT gateways
• Remote monitoring equipment
• Low-voltage backup modules
• Portable lighting and control systems

Capacity alone does not determine whether a battery fits a project. Voltage, continuous current, peak current, charging method, available dimensions and working temperature must also match the device. Medical and other regulated equipment may require additional battery-level and device-level testing before commercial use.

Battery Pack Customization Options

Standard construction includes two pouch cells, a PCM, silicone wires, a connector and insulation materials. Each component can be adjusted according to the device’s electrical and mechanical requirements.

Available customization options include:

• PCM protection current
• Overcharge and over-discharge settings
• Continuous and peak current requirements
• Wire gauge
• Wire length
• Connector model
• Connector pin definition
• NTC temperature sensor
• ID resistor
• Insulation material
• Protective wrapping
• Battery label
• Wire outlet direction
• Cell arrangement
• Packaging requirements

Providing a connector drawing, battery compartment drawing or physical device sample can make structural confirmation easier before sample production.

Information Required Before Sampling

Accurate project information helps determine whether the existing battery structure can be used directly or needs adjustment.

Please provide:

• Device operating voltage
• Normal operating current
• Maximum continuous current
• Startup or peak current
• Required operating time
• Maximum battery dimensions
• Connector model
• Connector pin definition
• Wire length
• Charging voltage and current
• Operating temperature
• Required protection functions
• Estimated order quantity

Engineering review can then confirm whether the current 1S2P structure fits the equipment or whether another pouch cell size, PCM or connection method would be more suitable.

Testing the Battery Before Production

Device testing should be completed before mass production. Installing the battery sample in the actual equipment helps identify electrical, thermal and structural problems early.

Recommended tests include:

• Charging performance
• Device runtime
• Continuous operating current
• Startup and peak current
• Voltage drop
• Battery temperature
• Low-voltage shutdown
• Connector fit
• Wire direction
• Installation clearance

Once the sample passes testing, the final drawing, bill of materials, protection settings, label, packaging and inspection requirements can be approved for production.