CYLINDRICAL CELL · 3.6V 5700MAH LI-ION
EVE 21700 58E 3.6V 5700mAh Cylindrical Cell
Nominal voltage 3.6 V · Nominal capacity 5700 mAh · Cylindrical 21 × 70 mm format · Ultra-high-capacity 21700 cell.
View SpecificationsINDUSTRY / 3C & COMMERCIAL ELECTRONICS / MINING CAP LAMPS, DIVE TORCHES & WORK LIGHTS
Tactical Flashlights, Mining Lamps & Work Lights: Compatible Voltage Platforms & Custom Options
Corded and cordless underground mining cap lamps, commercial scuba dive torches, railway track maintenance floodlights, and collapsible tripod emergency work lights require maximum lumen-hours per gram. Compare EVE 21700 58E (5700mAh), 21700 50E (5000mAh), and 18650 35V (3500mAh) cylindrical cells.
- Application Scope
- Intrinsic-safety mining cap lamps, scuba dive lights, emergency work lights
- Voltage Platform
- Protected single 18650/21700 cells and 2S–4S sealed lighting packs
- Cell Options
- EVE 21700 58E (5700mAh), 21700 50E (5000mAh) & 18650 35V
COMPATIBLE BARE CELLS · MINING CAP LAMPS, DIVE TORCHES & WORK LIGHTS
Compatible Voltage Platforms & Custom Options
CYLINDRICAL CELL · 3.65V 5000MAH LI-ION
EVE 21700 50E 3.65V 5000mAh Cylindrical Cell
Nominal voltage 3.65 V · Nominal capacity 5000 mAh · Cylindrical 21 × 70 mm format · Energy-series 21700 cell.
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CYLINDRICAL CELL · 3.65V 3500MAH LI-ION
EVE 18650 35V 3.65V 3500mAh Cylindrical Cell
Nominal voltage 3.65 V · Nominal capacity 3500 mAh · Cylindrical 18 × 65 mm format · High-energy density 18650 cell.
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CYLINDRICAL CELL · 3.6V 3200MAH LI-ION
EVE 18650 33V 3.6V 3200mAh Cylindrical Cell
Nominal voltage 3.6 V · Nominal capacity 3200 mAh · Cylindrical 18 × 65 mm format · High-capacity lithium-ion cell.
View SpecificationsCUSTOM BATTERY PACK ENGINEERING (MINING CAP LAMPS, DIVE TORCHES & WORK LIGHTS)
Need a Custom Protected single 18650/21700 cells and 2S–4S sealed lighting packs Pack for Tactical Flashlights, Mining Lamps & Work Lights?
AntBattery currently supplies matched bare cells (EVE 21700 58E (5700mAh), 21700 50E (5000mAh) & 18650 35V) and assembles custom Protected single 18650/21700 cells and 2S–4S sealed lighting packs series-parallel battery packs for Intrinsic-safety mining cap lamps, scuba dive lights, emergency work lights with tailored L × W × H enclosures, BMS current ratings, and wire harnesses.
ENGINEERING VERIFICATION
Tactical Flashlights, Mining Lamps & Work Lights Operating Conditions and Cell / Pack Sizing
Submit Compartment & Load SpecsParent & sibling categories in 3C & Commercial Electronics: Cash Counters & Currency Equipment, POS Terminals, Barcode Scanners & Handheld PDAs, Handheld Test Instruments, Surveying & Two-Way Radios, Portable Speakers, Wearables & Smart Hardware. Related voltage catalog: 3.6V–14.8V High-Capacity Cells.
Single-Cell Tube Torches (21700 5700mAh) vs Multi-Cell Tripod Floodlights
Handheld tactical and dive lights use a single 18650 (3500mAh) or 21700 (5000–5700mAh) cell or 1S2P/2S2P canister, while tripod site work lights use 3S/4S/6S multi-cell packs.
Constant-Current LED Driver Cutoff & End-of-Shift Runtime
Underground mining cap lamps must guarantee 12 to 16 hours of uninterrupted illumination per shift; EVE 18650 35V and 21700 58E provide maximum Wh density.
Current-Limiting Protection Circuits for Confined Environments
Mining cap lamps and industrial inspection torches require dual-MOSFET over-current and short-circuit protection circuits potted inside the battery pack.
Submersible Dive Canister Pressure & Tripod Base Drop Resistance
Underwater video and cave-diving canister packs use rigid cylindrical cell holders that withstand hydrostatic housing compression.
TECHNICAL REFERENCE
Tactical Flashlights, Mining Lamps & Work Lights Battery Engineering FAQs
How much longer does an EVE 21700 58E (5700mAh) cell run a flashlight compared to a standard 2600mAh 18650?
A single EVE 21700 58E cell stores 20.5 Wh compared to 9.3 Wh in a 2600mAh 18650—more than doubling LED torch burn time in a slightly wider 21×70 mm barrel.
What cell configurations are used in underground mining cap lamps?
Modern cordless helmet cap lamps typically integrate a single 18650 (3200–3500mAh) or 21700 (5000–5700mAh) cell, while belt-pack mining lamps use 1S2P or 1S3P 18650/21700 assemblies.
Do you also supply 12.8V LiFePO4 battery packs for fixed outdoor solar lighting?
Yes—for pole-mounted solar LED street lights and outdoor area lighting, visit our dedicated Solar Street Lights & Outdoor Lighting page (/industry/energy-storage/solar-street-lights).
Can AntBattery build custom button-top protected cells or multi-cell work light packs?
Yes. Submit your torch barrel diameter or tripod light battery box specs through our Custom Battery Packs page.
CUSTOM ENGINEERING & QUOTATION
Tactical Flashlights, Mining Lamps & Work Lights Battery Engineering Inquiry
Provide your flashlight, mining lamp, or work light LED wattage, target burn time (hours), cell format (18650 or 21700), and custom pack specifications.
Discuss on WhatsApp info@antbattery.comRELATED INDUSTRY CATEGORIES
All Industries ↗ 3C & Commercial Electronics ↗ 3.6V–14.8V High-Capacity Cells ↗ Custom OEM Battery Packs ↗