Description

The THOR-103140 is a 3.7V 1500mAh lithium polymer (LiPo) battery with connector, sized of T×W×L = 10 × 31 × 42 mm (with PCM). Its compact 31 × 40 mm form factor works well in rugged handhelds, POS devices, two-way radios, and portable instruments where every millimetre counts.

As a custom LiPo battery manufacturer, THOR Power can customize cell size, capacity, protection circuit (PCM), connector type, and wire harness configuration to match your product requirements. Contact our engineers for prototype samples and production solutions.

  • Stable 3.7 V nominal output for reliable power delivery
  • Long cycle life — typically several hundred cycles, cost-efficient
  • Built-in protection: overcharge, over-discharge, short-circuit
  • Custom size, capacity, connector & PCM/BMS
  • UN38.3 / MSDS ready; CE, KC, ROHS on request

Why Choose THOR Power

A vertically integrated lithium battery manufacturer (Dengzhou Xinju New Energy) with the scale and engineering depth to deliver custom LiPo cells reliably at volume.

3 factories, 800+ staff
Source-manufacturer scale — not a trading company.
200+ engineers
R&D led by a chief battery scientist for rapid custom design.
60,000 pouch cells / day
Mostly exported overseas, across the US, Europe, Japan & Korea, SE Asia, Latin America and Africa.
Full certification
UN38.3, MSDS, CE, KC, UL, CB, PSE, RoHS.
Global export
US, Europe, Japan & Korea, SE Asia, Latin America, Africa.
End-to-end quality control
From raw material to finished cell.

Factory Photos

Automation Equipment

THOR Power factory — Automation Equipment
THOR Power factory — Automation Equipment

Production Line

THOR Power factory — Production Line
THOR Power factory — Production Line

Testing Equipment

THOR Power factory — Testing Equipment

Warehouse & Certifications

THOR Power factory — Warehouse & Certifications
THOR Power factory — Warehouse & Certifications
ModelTHOR-103140
Battery TypeLithium Polymer (LiPo) pouch cell
Capacity1500 mAh
CertificationsUN38.3 / MSDS (IEC 62133-2, CE, KC on request)
MOQFrom 10 pcs for samples; production quoted per project
CustomizationSize, capacity, connector, wire length, PCM/BMS, NTC, label

3.7V 1500mAh Lithium Polymer (LiPo) Battery with Connector | THOR-103140

The THOR-103140 is a 1500mAh 3.7V lithium polymer battery (1.0×31×40mm), delivering 5.55Wh at ~24.1g. Highest volumetric density (4.48 Wh/cm³) among 1500mAh variants. One of 21 1500mAh variants — see also THOR-103048, THOR-424272, THOR-454272, THOR-503665 for alternative dimensions. Ideal for e-reader battery and ultra-thin tablet power. Volumetric density: 4.48 Wh/cm³.

Wholesale Pricing (USD)

Order QuantityReference Unit Price
10 – 99 pcs
100 – 999 pcs
1,000 – 9,999 pcs
10,000+ pcsContact for best price

Reference pricing for this model is being finalised. Talk to a Battery Engineer for a same-day quote.

Prices are for standard configuration reference only. Final pricing may vary by cell size, capacity, connector, wire length, PCM/BMS, label, packaging, certification requirements, and order quantity. Shipping cost is not included. MOQ: from 10 pcs for samples; production quantities are quoted per project.

Get an Engineering Quote

Custom sizes, capacities, connectors & PCM/BMS available. MOQ-friendly. Samples in days.

    Battery Specification — THOR-103140

    Mechanical Characteristics

    ModelTHOR-103140
    Cell TypeLithium Polymer (LiPo) pouch cell
    Configuration1S1P (customizable)
    Dimensions (T×W×L)10 × 31 × 40 mm (bare cell)
    Dimension ToleranceThickness ±0.2 mm; Width/Length ±0.5 mm
    With PCM BoardLength approx. +2 mm vs bare cell
    WeightApprox. 26 g
    PCM / BMSIncluded (standard)
    NTC ThermistorOptional
    ConnectorPH2.0 / Molex 1.25 (custom available)
    Wire LengthCustomizable
    UN38.3Test Summary available
    Safety Data SheetSDS / MSDS available
    IEC 62133-2Available for selected models
    RoHS / REACHCompliance documents available
    Electrical Specifications
    Nominal Voltage3.7 V
    Rated Capacity1500 mAh
    Energy5.55 Wh
    Charge Voltage4.20 ± 0.03 V
    Standard Charge300 mA (0.2C), CC/CV to 4.20 V
    Charge Cut-off Current0.02C
    Max. Charge Current1.5 A (up to 1C), model-specific
    Discharge Cut-off Voltage3.0 V
    Standard Discharge300 mA (0.2C)
    Max. Continuous Discharge1.5 A (1C), model-specific
    Internal Resistance≤ 70 mΩ (1 kHz, 50% SOC, 25℃)
    Cycle Life≥ 500 cycles, ≥ 80% capacity
    Cycle Test Condition0.5C charge / 0.5C discharge, 3.0-4.2 V, 25 ± 2℃
    Charge Temperature0℃ ~ 45℃
    Discharge Temperature-20℃ ~ 60℃
    Storage Temperature-10℃ ~ 45℃ (≤ 1 month)
    Capacity Retention≥ 90% after 28 days @ 25℃
    NoteHigher discharge-rate designs available upon engineering review
    Protection Circuit (when PCM equipped)
    Overcharge Detection4.28 ± 0.03 V per cell
    Overcharge Release4.08 ± 0.05 V
    Over-discharge Detection2.75 ± 0.05 V
    Over-discharge Release3.00 ± 0.05 V
    Overcurrent ProtectionPer PCM design (2A ~ 5A typical)
    Short-circuit ProtectionYes, auto-recovery

    Values shown are THOR Power standard specifications for this cell class. Final parameters are confirmed in the engineering datasheet for your configuration.

    Typical Applications — 3.7V 1500mAh

    GPS TrackersReliable runtime for asset, vehicle, and personal location trackers.
    Wearables & SmartwatchesSlim, lightweight power for fitness bands and smartwatches.
    Medical DevicesStable, safe output for monitors, thermometers, and handheld diagnostics.
    IoT ModulesLong standby power for connected sensors and smart devices.
    Bluetooth & AudioCompact power for earbuds, speakers, and wireless audio gear.
    Portable ElectronicsCameras, handhelds, and consumer gadgets needing a slim cell.

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