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ASOL 703050 3.7V 1000mAh 3.7Wh Lithium Polymer Battery 

ASOL 703050 3.7V 1000mAh 3.7Wh Lithium Polymer Battery — Ultra-thin rechargeable LiPo battery cell with compact dimensions (7.0 × 30 × 50 mm), designed to power space-constrained portable electronics and IoT devices. Widely used in mini thermal printers, smart video doorbells, Bluetooth trackers, GPS trackers, smart door locks, and mini Bluetooth speakers — with mini thermal printers representing the largest market segment for this cell size. Features high energy density, stable 3.7V discharge performance, optional PCM protection, and fully customizable wire/connector configurations. Factory direct from ASOL — a trusted lithium polymer battery manufacturer with OEM/ODM capabilities.

Parameter Value
Model ASOL 703050
Core Spec 3.7V Li-Po Pouch Cell
Capacity 1000mAh / 3.7Wh
Dimensions 7.0×30×50mm
Standard Current 0.5C (500mA)

The ASOL 703050 is a high-performance 3.7V 1000mAh (3.7Wh) lithium polymer (Li-Po) rechargeable battery engineered specifically for space-constrained portable devices and IoT applications. With ultra-slim dimensions of just 7.0 × 30 × 50 mm, this thin LiPo cell delivers consistent, reliable power in an exceptionally compact form factor — making it the go-to energy solution for next-generation consumer electronics where every millimeter counts.

Whether you are developing a mini thermal label printer, a smart video doorbell, a Bluetooth asset tracker, a GPS positioning device, a smart door lock, or a mini Bluetooth speaker, the ASOL 703050 provides the right balance of capacity, thickness, and discharge stability to keep your device running longer between charges.


🔋 Technical Specifications

Parameter Value
Model Number ASOL 703050
Chemistry Lithium Polymer (Li-Po)
Nominal Voltage 3.7V
Nominal Capacity 1000mAh
Energy 3.7Wh
Dimensions (T × W × L) 7.0 × 30 × 50 mm
Discharge Cut-off Voltage 3.0V
Standard Charge Current 0.5C (500mA)
Max Charge Current 1.0C (1000mA)
Standard Discharge Current 0.5C (500mA)
Operating Temperature (Charge) 0°C ~ +45°C
Operating Temperature (Discharge) -20°C ~ +60°C
Storage Temperature -20°C ~ +45°C
Protection Circuit Module (PCM) Optional — Overcharge, over-discharge, over-current, short circuit protection
Certifications UN38.3, CE, RoHS

💡 Note: Dimensions are measured at the thickest point of the battery cell (including PCM if installed). Custom configurations (capacity, size, connectors) are available upon request.


✅ Key Features

  • Ultra-Compact Design — At only 7mm thick, this LiPo cell fits effortlessly into slim devices where internal space is at a premium
  • High Energy Density — 1000mAh packed into a minimal 7.0 × 30 × 50 mm footprint, maximizing runtime per unit volume
  • Stable Output Voltage — Flat 3.7V nominal discharge curve ensures consistent power delivery throughout the entire cycle
  • Wide Operating Temperature Range — Reliable performance from -20°C to +60°C (discharge), suitable for both indoor and outdoor applications
  • Built-In Safety — Optional integrated PCM provides multi-layer protection: overcharge, over-discharge, over-current, and short circuit
  • Fully Customizable — Wire length, gauge, connector type (JST, Molex, custom), and terminal configuration all tailored to your device
  • Factory Direct Pricing — Professional Li-Po battery manufacturer with OEM/ODM capabilities; no middleman markup
  • Global Compliance — UN38.3, CE, RoHS certified; additional certifications (FCC, MSDS, IEC62133) available upon request

🎯 Application Scenarios

The ASOL 703050 lithium polymer battery is trusted across a wide range of industries and product categories. Below are the most common applications, along with why this cell is ideally suited for each:

Category Typical Applications Why the 703050 Fits
🖨️ Mini Thermal Printer Portable thermal label printers, receipt printers, handheld ticket printers, mobile POS printers Largest market segment. Ultra-thin 7mm profile fits inside compact printer housings; 1000mAh supports extended mobile printing sessions on a single charge
🚪 Smart Video Doorbell WiFi-enabled video doorbells, smart intercoms, wireless door cameras Compact size fits inside slim doorbell enclosures; stable 3.7V output ensures reliable WiFi video streaming and motion detection alerts; wide temperature range handles outdoor installation
📡 Bluetooth Tracker Key finders, luggage trackers, pet trackers, BLE asset tags Ultra-slim form factor integrates into pocket-sized tracker tags; lightweight design for keychain or bag attachment; low self-discharge maintains standby power for months
📍 GPS Tracker Vehicle trackers, personal GPS locators, fleet tracking devices, child/elderly safety trackers High energy density (1000mAh) supports extended GPS positioning and real-time data transmission; compact dimensions fit tracker housings; stable voltage ensures accurate satellite signal acquisition
🔐 Smart Door Lock Electronic deadbolts, fingerprint door locks, keypad entry systems, smart gate locks Slim profile fits inside door lock battery compartments; reliable discharge curve prevents voltage drop during motor-driven bolt movement; wide temperature range handles outdoor installation
🔊 Mini Bluetooth Speaker Pocket speakers, portable audio players, wireless soundbars, outdoor mini speakers 1000mAh capacity delivers hours of continuous audio playback; compact size allows integration into pocket-sized speaker enclosures; stable output maintains consistent amplifier power delivery

📦 Available Custom Configurations

Every product has unique power requirements. ASOL offers flexible customization to ensure the 703050 battery integrates seamlessly into your device:

  • Wire Specifications: UL1007/26AWG red (+) / black (-) leads standard; custom wire gauges (AWG 28~22) and lengths (20mm~200mm) available
  • Connector Types: JST PH2.0, JST XH2.54, Molex 1.25/2.0mm, MOLEX, or any custom plug connector
  • PCM Options: Bare cell (no PCM), single-cell PCM with DW01+8205A, or custom protection IC per your specification
  • Battery Packs: Single cell, 2S series (7.4V), or parallel configurations available for higher voltage/capacity needs
  • Packaging: Individual anti-static bag, custom printed box, or bulk carton packaging
  • Labeling: Custom battery label with your brand logo, model number, and regulatory markings
  • Certification Support: UN38.3 test report, CE, RoHS, MSDS, IEC62133; additional certifications arranged as needed
  • MOQ: Low MOQ for engineering samples and prototype orders; competitive volume pricing for mass production
  • Lead Time: Stock items ship in 3-5 working days; custom orders delivered in 10-15 working days; rush orders available

🏭 About ASOL Battery

ASOL Battery is a professional lithium polymer battery manufacturer with years of expertise in designing, developing, and producing high-quality Li-Po cells for consumer electronics, IoT devices, wearable technology, smart home products, portable medical devices, and more.

Our capabilities include:

  • ✅ Custom Battery Development — Non-standard sizes, capacities, and voltages designed from scratch to match your product specifications
  • ✅ OEM / ODM Services — White-label production, custom branding, and full assembly solutions
  • ✅ Engineering Support — Dedicated technical team for battery selection, PCB integration guidance, and charging circuit design consultation
  • ✅ Quality Assurance — 100% capacity and voltage testing before shipment; full traceability from raw materials to finished product
  • ✅ Competitive Factory Pricing — Direct-from-manufacturer pricing with no distributor markup; flexible payment terms for volume orders
  • ✅ Global Logistics — Worldwide shipping via DHL, FedEx, UPS; door-to-door delivery with real-time tracking

📞 Contact Us

Ready to power your next product with the ASOL 703050 3.7V 1000mAh Li-Po battery? Get in touch with our team for a free quotesamples, or technical consultation.

Channel Details
Email info@asol-battery.com
WhatsApp +86 157 7985 8703
Website www.asol-battery.com

We typically respond within 2 hours during business days. Whether you need a single sample for prototyping or a bulk order for mass production, our team is ready to help.

Shenzhen Asol Battery Tech Co., Ltd. (ASOL)

Assembly, production & global distribution of advanced lithium battery solutions — custom lithium-ion & LiFePO4 battery packs, RV intelligent power systems and portable power stations for B2B clients worldwide.

ASOL specializes in the assembly, production and global distribution of lithium battery packs and portable power systems. Our team supports OEM/ODM customization, sample development and worldwide shipping for distributors, importers and brand owners.

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