The ASOL 18650-3P combines three premium Li-Polymer pouch cells in a 3-parallel (3P) configuration to deliver 7800mAh at a stable 3.7V — the highest single-cell capacity in its class. Engineered for professional equipment that cannot afford battery failure mid-operation, this pack powers thermal printers through peak business hours, industrial handhelds through full logistics shifts, medical monitors through patient transport, and backup systems through extended power outages.
As a factory-direct OEM battery pack manufacturer, ASOL provides fully customizable connector, PCM, packaging, and labeling solutions. Every pack undergoes capacity grading, IR screening, PCM functional verification, and full safety testing — with batch test reports included.
Key Highlights
- 7800mAh / 28.86Wh — 2.6× the runtime of standard 3000mAh printer/scanner batteries
- 3P Load-Balanced — parallel cells share current, reduce stress, extend pack lifespan
- 3.7V Universal — native voltage for thermal print heads, scan engines, RFID modules, ARM SoCs
- Polymer Pouch — thinner and lighter than 18650 cylindrical cells; fits slim enclosures
- Multi-Layer PCM — overcharge/over-discharge/over-current/short-circuit/temperature protection
- Custom BOM Available — connectors, wire gauge, PCM thresholds, packaging to your spec
- ≥500 Cycle Life — years of reliable daily operation in commercial field environments
Why This Battery?
| Your Problem | ASOL18650-3P Solution |
|---|---|
| Thermal printer dies halfway through a restaurant dinner rush or warehouse picking shift? | 7800mAh / 28.86Wh prints hundreds of labels/receipts per charge — entire peak periods covered, zero battery swaps |
| Industrial PDA or barcode scanner can’t survive a full 10-hour logistics/warehouse shift? | 3P load-balanced cells deliver rock-stable 3.7V through laser scan engine bursts and RFID activation spikes — no midday recharges |
| Portable medical monitor loses power during critical patient transport between wards? | Multi-layer PCM + 3P redundant cell design — if one cell degrades, the other two maintain output; clinical fault tolerance built-in |
| Mini UPS battery self-discharges and is dead when a power outage finally hits? | Ultra-low self-discharge polymer chemistry — 85%+ charge retained after 3 months in standby; always ready when the grid fails |
| Generic battery pack doesn’t fit your device’s connector or power requirements? | Full custom BOM — choose JST, Molex, Micro-USB, USB-C, bare leads; wire length/gauge; PCM thresholds; custom labeling |
Technical Specifications
| Parameter | Value |
|---|---|
| Model | 18650-3P |
| Type | Lithium Polymer (Li-Po) Battery Pack — 3P Configuration |
| Configuration | 3 Parallel |
| Nominal Voltage | 3.7V |
| Capacity | 7800mAh (0.2C discharge) |
| Energy | 28.86Wh |
| Charge Voltage | 4.2V CC/CV |
| Cut-off Voltage | 3.0V |
| Max Charge Current | 3.9A (0.5C) |
| Max Continuous Discharge | 7.8A (1C) |
| Cycle Life | ≥ 500 cycles (to 80% capacity) |
| Charge Temperature | 0°C ~ +45°C |
| Discharge Temperature | -20°C ~ +60°C |
| Protection | PCM — overcharge, over-discharge, over-current, short-circuit, temperature |
| Cell Chemistry | Li-Polymer (pouch cell) |
| Connector Options | JST, Molex, Micro-USB, USB-C, bare leads (custom spec available) |
Features in Detail
- 7800mAh Industrial-Grade Capacity — 28.86Wh in a compact polymer pouch. Powers mobile thermal printers (MUNBYN, Phomemo, Nelko, JADENS-compatible), industrial PDAs (Zebra, Honeywell, Urovo, CHAINWAY-compatible), and portable medical monitors through full operational shifts. Eliminates mid-day battery anxiety for every device on your fleet.
- 3P Load-Balanced Architecture — Three matched Li-Polymer cells connected in parallel. Each cell operates at one-third of total load current — dramatically reducing internal resistance heating, balancing degradation rates, and extending overall pack cycle life beyond single-cell designs. Critical for devices pulling sustained 1–3A during active operation.
- 3.7V Native Voltage — Zero Conversion — Standard single-cell lithium voltage. Directly powers: thermal print head heating elements, barcode/QR laser scan engines, RFID UHF reader front-ends, ARM Cortex / Android SoC boards, medical sensor AFE circuits, and DC-DC boost modules for 5V/9V/12V UPS output. No intermediate regulation = less heat, higher efficiency.
- Polymer Pouch — Slim, Light, Adaptable — 40% thinner and 25% lighter than equivalent 18650 cylindrical packs. Conforms to thin printer housings, curved PDA grip contours, compact medical device enclosures, and wall-mount mini UPS chassis. Maximizes usable internal volume in space-constrained industrial designs.
- Multi-Layer PCM — Five-Way Protection — Factory-installed protection circuit module continuously monitors: (1) overcharge above 4.25V, (2) over-discharge below 2.7V, (3) over-current above 10A, (4) short-circuit detection under 100μs, (5) temperature cut-off at 75°C. Essential safety for devices handled daily by untrained end-users, warehouse operators, and healthcare staff.
- Ultra-Low Self-Discharge — Premium polymer chemistry with ≤3% monthly self-discharge rate. Holds 85%+ charge after 3 months of storage or standby. Critical for emergency backup applications (router UPS, IP camera UPS, security system backup) where the battery must deliver full power instantly — not a dead cell when the outage hits.
- Fully Customizable OEM Solution — Specify: connector type and gender, wire gauge (22–26 AWG) and length (50–300mm), PCM over-current threshold (5A–12A), cell arrangement (flat/stacked/L-shaped), Kapton tape wrap or PVC shrink sleeve, custom label/branding. We build to your exact BOM — production-ready samples in 5–7 business days.
Application Fit Guide
1. Portable Thermal Printer
Sub-categories: Label Printer / Receipt Printer / Bluetooth Printer / Handheld Printer / Mobile POS Printer
The single largest application for the 18650-3P. Powers mobile thermal printers from leading brands (MUNBYN, Phomemo, Nelko, JADENS, and white-label OEMs) deployed in:
- Restaurant & Hospitality — tableside order receipt printers, kitchen bump printers, mobile POS ticket printers
- Retail — shelf-edge label printers, price-tag printers, mobile checkout receipt printers
- Warehousing & Logistics — pick-list label printers, shipping label printers, inventory tag printers
- Courier & Field Service — on-site receipt printers, delivery confirmation printers, field ticketing
Why it fits: 3.7V directly powers the thermal print head heating array (2–4A burst), paper-feed DC motor (0.5–1.5A continuous), MCU/SoC (100–300mA), Bluetooth 5.0/BLE module (10–30mA), and optional Wi-Fi radio — all from a single regulated rail. 7800mAh prints 150–300+ standard 58mm receipts or 80–150+ 80mm shipping labels per charge. Covers peak lunch/dinner service, full warehouse picking shifts, or a complete day of courier deliveries.
2. Industrial PDA / Barcode Scanner
Sub-categories: RFID Scanner / Warehouse Scanner / Android Handheld Terminal / Logistics Device / Inventory Scanner
Powers ruggedized Android-based industrial handhelds from major OEMs (Zebra TC-series, Honeywell Dolphin/CT-series, Urovo, CHAINWAY, CILICO, SEUIC) and their aftermarket battery replacements:
- Warehouse Management — barcode/QR scanners for pick-pack-ship, inventory cycle counting, putaway verification
- Manufacturing — shop-floor data terminals, quality inspection scanners, WIP tracking
- Supply Chain & 3PL — cross-dock scanning, container unloading verification, last-mile delivery POD
- Retail & Field Service — shelf audit terminals, field sales order-taking, asset tagging with RFID
Why it fits: The 3P architecture handles the high-burst current profile of industrial scan engines: 0.8–1.5A for laser barcode scanning, 1.5–2.5A for UHF RFID antenna activation, plus continuous 0.3–0.5A for 4G/Wi-Fi/GPS data transmission. Stable 3.7V rail prevents Android system brownouts during scan-trigger current spikes. 7800mAh delivers 8–12 hours of continuous scanning + data entry + wireless sync — an uninterrupted 10-hour logistics shift with margin to spare.
3. Portable Medical Device
Sub-categories: Patient Monitor / Handheld Ultrasound / Medical Scanner / Diagnostic Device / Portable Ventilator
Trusted in clinical environments for portable diagnostic and monitoring equipment:
- Patient Monitoring — portable multi-parameter patient monitors (SpO₂, NIBP, ECG, temp), transport monitors for ICU-to-ward transfers
- Diagnostic Imaging — handheld ultrasound systems, portable Doppler devices, wireless digital X-ray detectors
- Point-of-Care Testing — portable blood gas analyzers, handheld chemistry analyzers, coagulation monitors
- Respiratory — portable CPAP/BiPAP backup power, emergency transport ventilators
Why it fits: The 3P redundant cell design is the critical differentiator — if any single cell fails or degrades, the remaining two cells maintain output voltage and current delivery without interruption. This inherent N+1 fault tolerance, combined with medical-grade multi-layer PCM protection, meets the reliability expectations of clinical environments where power failure during patient transport is not acceptable. 3.7V is native for ARM Cortex-M/A based medical SoCs, LCD driver boards, and sensor analog front-ends. 7800mAh supports 8–24 hours of continuous monitoring depending on device power draw.
4. Mini UPS / Backup Power
Sub-categories: Router Backup Power / CCTV Backup Power / Emergency Power Supply / Security Camera UPS
Compact backup power for always-on networking and security devices:
- Home & Office Networking — Wi-Fi router UPS, ONT/fiber modem backup, network switch backup, smart home hub backup
- Security & Surveillance — IP camera backup power, NVR/DVR backup, alarm system backup, access control UPS
- Emergency & IoT — emergency lighting, remote sensor node backup, telemetry gateway backup
Why it fits: 28.86Wh is the ideal capacity for compact mini UPS designs — enough to bridge a 3–6 hour grid outage for a typical 5W Wi-Fi router, or 4–8 hours for a 3–4W IP camera. Combined with a DC-DC boost module (3.7V → 5V/9V/12V), the pack forms a complete compact backup solution. Ultra-low self-discharge (≤3%/month) means the battery stays at 90%+ charge during months of grid-normal standby — immediately available when the outage occurs. Polymer pouch form factor allows integration into wall-mount and desktop mini UPS enclosures where 18650 cells would be too bulky.
ASOL Battery — Factory-Direct OEM Battery Pack Manufacturer
We are not a distributor or trading company. ASOL Battery designs and manufactures Li-Polymer pouch cells and assembled battery packs in-house — from electrode coating to finished pack testing. This vertical integration means consistent quality, full traceability, and competitive factory-direct pricing at every order volume.
Quality assurance on every Blus18650-3P pack:
- Capacity grading and matching (±1% tolerance within each 3P pack)
- Internal resistance screening (≤60mΩ per cell)
- Full PCM functional verification (all five protection modes tested)
- 100% visual inspection and dimensional check
- Batch certificate of compliance with shipment
What you get working with ASOL:
- Factory-Direct Pricing — no middlemen, no distributor markup, competitive at every OEM quantity
- Custom BOM to Your Spec — connector, wire, PCM, packaging, labeling — your exact requirements
- Consistent Batch Quality — matched cells, sequential lot traceability, test data per shipment
- Engineering Support — pre-sales integration advice and post-sales technical support via email and WhatsApp
- Global Logistics — fast shipping to North America, Europe, Southeast Asia, and the Middle East
- Sample Service — 1–3 custom samples within 5–7 business days for evaluation before bulk order
Frequently Asked Questions
Q: What devices is the 18650-3P compatible with? A: Any 3.7V Li-Polymer/Li-ion device with standard charging (4.2V CC/CV) protocol. We customize connectors to match your specific device — JST, Molex, Micro-USB, USB-C, or bare leads. Tell us your existing connector model and we match it.
Q: What’s the minimum order quantity (MOQ)? A: 50 pieces for standard configurations; 100 pieces for custom BOM builds. Contact us for sample pricing.
Q: How long does a full charge take? A: Approximately 2.5 hours at 0.5C (3.9A) with a standard 4.2V CC/CV charger.
Q: Does it come with a protection circuit? A: Yes. Every pack includes a factory-installed multi-layer PCM covering overcharge, over-discharge, over-current, short-circuit, and temperature protection.
Q: Can you provide UN38.3 / MSDS reports? A: Yes. We provide full UN38.3 test reports, MSDS, and GB 31241-2022 compliance documentation with every shipment.
Contact & Ordering
| Channel | Details |
|---|---|
| info@asol-battery.com | |
| +86 157 7985 8703 | |
| Website | www.asol-battery.com |
| Office Hours | Mon–Sat, 9:00–18:00 (GMT+8) |
| Sample Lead Time | 5–7 business days (custom BOM) |
| Bulk Lead Time | 15–25 business days (depending on quantity and customization) |
Request a quote today — tell us your application, connector requirement, and target quantity for factory-direct pricing.
