2.40Wh Calculated Energy for Early Runtime Planning
The confirmed 3.7V nominal voltage and 650mAh rated capacity provide approximately 2.40Wh before system losses, cutoff effects and application-specific derating.
3.7V Lithium Polymer Battery · 500–1000mAh Range
3.7 V 650mAh Lithium Polymer Battery 751645
The 751645 LiPo battery provides a 3.7V nominal platform and 650mAh rated capacity in a 7.5mm × 16mm × 45mm pouch format. A 650mAh narrow-format reference that keeps the footprint controlled at 16mm × 45mm.
75164516mm45mm7.5mm
751645650mAh · 3.7V7.5mm × 16mm × 45mm
751645 LiPo BatteryApprox. 2.40Wh calculated energy in a 650mAh-class pouch format
3.7V · 7.5mm × 16mm × 45mm reference visualProduct snapshot
A 650mAh controlled narrow format reference for small handheld and tracking products
The 751645 model is positioned around controlled narrow format geometry rather than capacity alone. It is suited to compact products that need more than a 500mAh-class target without opening a wide battery pocket. A 650mAh narrow-format reference that keeps the footprint controlled at 16mm × 45mm.
A 16mm × 45mm Controlled Narrow Format Footprint
The 7.5mm × 16mm × 45mm envelope supports early review of the battery pocket, enclosure depth, cushioning, retention and connector access.
Selection focus for 751645
A 650mAh narrow-format reference that keeps the footprint controlled at 16mm × 45mm. The first engineering screen is the 16mm × 45mm plan area, followed by the 7.5mm stack-up and the 650mAh energy target. Review the 45mm length and 16mm width against the enclosure before accepting the relatively high listed 350mΩ resistance as an early electrical comparison point. For the device team, It is suited to compact products that need more than a 500mAh-class target without opening a wide battery pocket. Include the 16mm × 45mm pocket, 7.5mm depth, load profile and any voltage-drop sensitivity. This sequence keeps geometry, energy planning and electrical validation in one practical selection path.
3.7V · 650mAhNominal voltage · rated capacity
≈13gCalculated weight reference
≈325 / 650mACharge current · standard / rapid
≈130 / 650mADischarge current · standard / maximum
Current, energy and weight values are calculated references for early planning. Confirm final limits and the finished battery configuration with ZERNE.
Technical data
751645 LiPo Battery Specifications
These specifications summarize the 751645 reference format. A 650mAh narrow-format reference that keeps the footprint controlled at 16mm × 45mm. Confirm final construction, protection, connector and validation conditions for the finished OEM battery configuration.
| 751645 Mechanical and Electrical Specifications | |
|---|---|
| Product number | 751645 |
| Nominal voltage | 3.7V |
| Rated capacity | 650mAh |
| Confirmed C-rate | 1C |
| Battery dimension | 7.5mm × 16mm × 45mm |
| Listed internal resistance | 350mΩ |
| Calculated Electrical References | |
| Standard charge current | Approx. 325mA |
| Rapid charge current | Approx. 650mA |
| Standard discharge current | Approx. 130mA |
| Maximum discharge current | Approx. 650mA |
| Calculated energy | Approx. 2.40Wh |
The direct 751645 values are used as the model reference. Current, energy and weight figures are calculated references rather than measured production results. Confirm the final charging profile, discharge demand, protection configuration, connector, tolerances and validation conditions with ZERNE for the finished device.
Product characteristics & advantages
Why Evaluate the 751645 650mAh LiPo Battery?
The 751645 model is positioned around controlled narrow format geometry rather than capacity alone. It is suited to compact products that need more than a 500mAh-class target without opening a wide battery pocket. A 650mAh narrow-format reference that keeps the footprint controlled at 16mm × 45mm. The geometry and energy-planning tradeoff are the primary selection focus for this reference model.
The 751645 page focuses on the decision most relevant to this reference: A 650mAh narrow-format reference that keeps the footprint controlled at 16mm × 45mm. Its capacity, geometry, listed resistance and 1C family rate should be evaluated together with the finished device load and enclosure.
650mAh for Small Handheld And Tracking Products
The 650mAh rated capacity provides a defined basis for comparing runtime, standby intervals and service targets in small handheld and tracking products.
16mm × 45mm Battery Footprint
The 7.5mm × 16mm × 45mm envelope gives engineering teams a concrete reference for enclosure clearance, retention, cable exit and component placement.
7.5mm Thickness to Check Early
Review the listed 7.5mm profile with housing tolerances, cushioning and nearby electronics before finalizing the battery pocket.
350mΩ Internal Resistance Reference
The listed 350mΩ resistance can support early voltage-drop discussion for this controlled narrow format format; validate the finished battery under actual load and temperature conditions.
Battery calculation
Check 751645 Energy and Estimated Runtime
Use the prefilled 751645 values or enter your own load assumptions for a quick energy and runtime estimate.
LiPo Battery Capacity Calculator
Energy is calculated from nominal voltage and capacity. Runtime uses the entered load power and an adjustable efficiency assumption.
Runtime is an estimate, not guaranteed product performance.
2.40WhEstimated energy
4.33hEstimated runtime
How to Use the Result
The 751645 values are prefilled: 3.7V and 650mAh. Adjust the load power and efficiency to compare different operating scenarios.
- Energy is estimated from nominal voltage and capacity
- Runtime estimate = energy × efficiency ÷ load power
- Actual runtime depends on load profile, cutoff, temperature and system losses
- Use sample testing to validate the final battery and device combination
Use the result as an initial estimate, then discuss charger validation and the final battery specification with ZERNE.
Integration guidance
Plan the 751645 Battery Around the 7.5mm × 16mm × 45mm Envelope
Reserve the stated battery pocket, allow for the 7.5mm thickness, review cable and connector access, and validate the charger, protection and finished load profile before production. Review the 45mm length and 16mm width against the enclosure before accepting the relatively high listed 350mΩ resistance as an early electrical comparison point.
Reserve the 16mm × 45mm Battery Area
Allow space for the pouch cell, enclosure walls, cushioning, retention features, cable exit and service access around the listed footprint.
Check the 7.5mm Profile
Review compression risk, enclosure tolerances and adjacent components around the battery before finalizing the mechanical design.
Confirm Electrical and Protection Requirements
Use the calculated 325mA standard-charge, 650mA rapid-charge, 130mA standard-discharge and 650mA maximum-discharge references for early review, then validate the finished battery assembly.
Applications & solution paths
Applications for the 751645 650mAh LiPo Battery
The 751645 format can be considered for products that match its 7.5mm × 16mm × 45mm envelope and 650mAh energy target. It is suited to compact products that need more than a 500mAh-class target without opening a wide battery pocket. Final suitability depends on device load, runtime, enclosure, charging and connector requirements.
01Smart Home Devices
The pouch format provides a concrete reference for connected products with a defined internal battery area. The 751645 model offers a 650mAh target in a 7.5mm × 16mm × 45mm pouch envelope.
View smart home devices solutions →
02GPS Tracking
The geometry and capacity can be compared with tracker battery pockets, reporting intervals and cable routing. The 751645 model offers a 650mAh target in a 7.5mm × 16mm × 45mm pouch envelope.
View gps tracking solutions →
03Wearables
The model can be considered for selected wearable or monitoring housings when its thickness and footprint remain acceptable. The 751645 model offers a 650mAh target in a 7.5mm × 16mm × 45mm pouch envelope.
View wearables solutions →
04IoT Equipment
The calculated energy can be compared with sensing, wireless communication and standby requirements. The 751645 model offers a 650mAh target in a 7.5mm × 16mm × 45mm pouch envelope.
View iot equipment solutions →The 751645 is positioned within ZERNE's 3.7V 500–1000mAh lithium polymer battery range. Ask ZERNE to confirm the final construction, protection, connector, charging limits and validation plan for the required device.
Related technical articles
Technical Guidance for 751645 LiPo Integration
Use these resources to review the energy, geometry, current and safety questions most relevant to a 7.5mm × 16mm × 45mm pouch battery.
RuntimeHow Long Does a Lithium Polymer Battery Work?
Use capacity, load profile and system efficiency to estimate the operating interval for a compact device.
Read the technical guide →
SafetyWhy Do LiPo Batteries Explode and How to Prevent It
Review protection, enclosure and charging controls before adopting a compact pouch format.
Read the technical guide →
EnergyWhat Is Energy Density in Lithium Polymer Battery?
Compare the energy target with the physical pocket available to the device.
Read the technical guide →OEM battery support
Start the 751645 Battery Inquiry with the Device Power Profile
A complete inquiry can include the required runtime, device load, 7.5mm × 16mm × 45mm battery pocket, charger, connector and documentation needed to evaluate this 650mAh reference format. Include the 16mm × 45mm pocket, 7.5mm depth, load profile and any voltage-drop sensitivity.
Information to Include in Your Inquiry
Share the product conditions that determine how the 751645 format will fit and perform in the finished device, especially its battery pocket, load and charging window.
- Target runtime and duty cycle
- Voltage, capacity and battery pocket
- 7.5mm depth and enclosure clearance
- Charger and charging conditions
- Operating and storage environment
- Connector, quantity and approval timing
When the Reference Format Is Not Enough
ZERNE can discuss alternate capacity, geometry, protection, connector and assembly requirements when the 751645 specification does not match the finished product.
Discuss a Custom BatteryFAQ
751645 LiPo Battery Questions
Find answers about the 751645 3.7V 650mAh lithium polymer battery, including its dimensions, calculated energy, current references and OEM integration considerations.
What Are the Dimensions of the 751645 LiPo Battery?
The 751645 battery measures 7.5mm in thickness, 16mm in width and 45mm in length.
What Capacity and Energy Does the 751645 Battery Provide?
The listed rated capacity is 650mAh at a nominal voltage of 3.7V. The calculated energy is approximately 2.40Wh before system losses.
What Charge and Discharge Current References Apply to 751645?
The calculated references are approximately 325mA for standard charging, 650mA for rapid charging, 130mA for standard discharge and 650mA for maximum discharge. Confirm the final production limits and test conditions with ZERNE.
What Is the Approximate Weight of the 751645 Battery?
The calculated weight reference is approximately 13g. Final weight can vary with the completed battery configuration and should be confirmed during sampling.
What Internal Resistance Is Listed for the 751645 Battery?
The supplied reference lists internal resistance of 350mΩ. Actual system behavior should be checked under the finished load, temperature and assembly conditions.
How Should the 751645 Format Be Screened During Early Design?
A 650mAh narrow-format reference that keeps the footprint controlled at 16mm × 45mm. Confirm the usable pocket and calculated electrical references before requesting samples.
What Is the Main Advantage of the 751645 Battery Format?
The 751645 provides a 650mAh-class capacity in a 7.5mm × 16mm × 45mm pouch envelope, giving OEM teams a concrete starting point for product-space and energy planning.
Can the 751645 Battery Be Customized?
The 751645 is a reference model. ZERNE can discuss alternate capacity, dimensions, protection, connector and wiring requirements when the listed format does not match the finished product.
What Should Be Confirmed Before Integrating the 751645 Battery?
Review the stated battery area, 7.5mm depth, load profile, charging conditions, protection design, connector, cable exit and enclosure retention with ZERNE.
Lithium polymer battery inquiry
Review the 751645 Battery Fit with ZERNE
Share the application, runtime target, load profile, 7.5mm × 16mm × 45mm battery area, charging conditions and annual demand so ZERNE can recommend the right sample and validation path. Include the 16mm × 45mm pocket, 7.5mm depth, load profile and any voltage-drop sensitivity.
- Product model and target application
- Required voltage, capacity and runtime
- Battery-pocket dimensions and clearance
- Charger, connector and documentation needs