The ASOL 18650 3S12P 10.8V 31200mAh Lithium-ion Battery Pack for Solar Street Lights is a lithium battery rated at 10.8V / 31200mAh (336.96Wh) in a 3S12P configuration measuring 250 × 74 × 74 mm and weighing 1900g. It is engineered to power Solar Street Light and similar devices, with a stable discharge curve and dependable cycle life. An integrated protection circuit guards against overcharge, over-discharge, and short circuit, and full OEM/ODM customization is available.
Key Features
All-night solar power, built outdoor-tough
31.2Ah powers street lights all night, through cloudy days.
Consistent power for high-lumen LED drivers in street lighting.
36 matched 18650-2600mAh cells, 3 series and 12 parallel.
Industrial weatherproof connector for reliable outdoor installation.
Over-charge, over-discharge, over-current, short-circuit and over-temperature protection.
80% retention after 500 cycles, 5+ years of service.
250×74×74mm rugged 1900g enclosure for permanent outdoor use.
Compliant with international safety, environmental and transport standards.
Product Specifications
| Specification | Details |
|---|---|
| Brand | ASOL |
| Model | 3S12P 18650-31200mAh |
| Nominal Voltage | 10.8V |
| Capacity | 31200mAh (31.2Ah) |
| Configuration | 3S12P (3 Series, 12 Parallel) |
| Cell Type | 18650-2600mAh |
| Dimensions | 250 × 74 × 74 mm |
| Weight | 1900g |
| Max Discharge Current | 10A |
| Connector | Waterproof Aviation Connector (Pre-Wired) |
| Protection | Over-Charge / Over-Discharge / Over-Current / Short-Circuit / Over-Temperature |
| Cycle Life | ≥500 cycles |
| Charging Temperature | 0°C ~ 45°C |
| Discharging Temperature | -20°C ~ 60°C |
| Certifications | CE · RoHS · UN38.3 · MSDS |
Applications
Where the 3S12P is used
31.2Ah stores daytime solar to run LED lamps all night.
Powers decorative lighting in parks and communities.
High-capacity storage for off-grid roads and pathways.
Battery backup for remote solar lighting equipment.
Why Choose ASOL for Solar Street Lighting
- Factory-Tested Every Unit — Each pack undergoes individual capacity, voltage, and internal resistance testing before shipping
- Consistent Cell Matching — All 36 cells matched within tight tolerances for balanced charge/discharge across the full 3S12P array
- Built-In BMS — Battery Management System balances cell charging, prevents over-discharge, and maximizes cycle life
- Weatherproof Connector — Aviation-grade waterproof connector rated for long-term outdoor exposure
- Cycle-Life Target — Cycle-life expectations are reviewed against the selected cell, load profile and operating conditions.
- UN38.3 Certified — Approved for international air and ground shipping
Real-World Runtime Estimate
| LED Wattage | Estimated Runtime per Full Charge |
|---|---|
| 30W LED | ~10-12 hours |
| 50W LED | ~6 hours |
| 80W LED | ~4 hours |
| 100W LED | ~3 hours |
Estimates based on 10.8V nominal, 31.2Ah capacity at standard discharge. Actual results vary by LED driver efficiency and temperature.
Frequently Asked Questions
What are the key specifications of the ASOL 18650 3S12P 10.8V 31200mAh Lithium-ion Battery Pack for Solar Street Lights?
The ASOL 18650 3S12P 10.8V 31200mAh Lithium-ion Battery Pack for Solar Street Lights is a 10.8V 31200mAh lithium battery, built in a 3S12P configuration, measuring 250 × 74 × 74 mm, weighing 1900g.
What is the ASOL 18650 3S12P 10.8V 31200mAh Lithium-ion Battery Pack for Solar Street Lights used for?
The ASOL 18650 3S12P 10.8V 31200mAh Lithium-ion Battery Pack for Solar Street Lights is designed to power Solar Street Light and similar devices. ASOL can also tailor the battery pack to other applications on request.
What connector does the ASOL 18650 3S12P 10.8V 31200mAh Lithium-ion Battery Pack for Solar Street Lights use?
It ships pre-wired with a Waterproof Aviation Connector. ASOL can customize the connector type, wire length, and labeling to match your device.
What is the maximum discharge current of the ASOL 18650 3S12P 10.8V 31200mAh Lithium-ion Battery Pack for Solar Street Lights?
The ASOL 18650 3S12P 10.8V 31200mAh Lithium-ion Battery Pack for Solar Street Lights supports a maximum continuous discharge current of 10A.
How many charge cycles does the ASOL 18650 3S12P 10.8V 31200mAh Lithium-ion Battery Pack for Solar Street Lights last?
The ASOL 18650 3S12P 10.8V 31200mAh Lithium-ion Battery Pack for Solar Street Lights is rated for ≥500 cycles, for years of dependable performance in your device.
What safety certifications does the ASOL 18650 3S12P 10.8V 31200mAh Lithium-ion Battery Pack for Solar Street Lights have?
It is certified to CE, RoHS, UN38.3, MSDS, with test reports supplied on request for compliance.
Does ASOL offer OEM/ODM customization for the ASOL 18650 3S12P 10.8V 31200mAh Lithium-ion Battery Pack for Solar Street Lights?
Absolutely. As the manufacturer, ASOL tailors the battery pack — voltage, capacity, connector, wiring and private-label printing — to match your device and production volume through our OEM/ODM service.
Can I get a sample or a quote for the ASOL 18650 3S12P 10.8V 31200mAh Lithium-ion Battery Pack for Solar Street Lights?
Sample evaluation may be available for selected cylindrical and lithium polymer battery projects, subject to specification review and product availability. Sample freight is paid by the customer. For a quote, email info@asolbattery.com or WhatsApp +86 15779858703 — replies typically arrive within 24 hours on working days.
Contact Us
| info@asolbattery.com | |
| +86 15779858703 | |
| Website | www.asolbattery.com |
| Response Time | 24h on working days |
Need a different size or capacity? Explore ASOL’s full cylindrical battery range →
