Jiangsu Reliance Energy / Tenpower industrial lithium-ion cells
High-drain cylindrical lithium-ion cells from Jiangsu Reliance Energy / Tenpower feature innovative tabless electrode architecture engineered for heavy power tools, electric robotics, and traction equipment.
INR21700-RS50 high-discharge lithium-ion battery cells
Flagship industrial cylindrical cells INR21700-RS50 by Jiangsu Reliance Energy / Tenpower feature 5000 mAh nominal capacity with sustained 70A continuous discharge. Advanced tabless foil architecture limits thermal build-up and maintains ultra-low internal resistance under load.
- Nominal operating potential of 3.6V with specific energy density exceeding 270 Wh/kg
- Ultra-low alternating current internal resistance ACIR measured below 4.0 mOhm
- Rapid recharging capability up to 15A reaching 80 percent charge within 10 minutes
- Stable energy delivery across operational thermal extremes from -40 to +80 °C
INR21700-RS40 ultra-high-rate power cells for peak loads
Specialized industrial cells INR21700-RS40 from Jiangsu Reliance Energy / Tenpower target equipment demanding extreme transient currents. The 4000 mAh cell sustains 70C pulse discharge rates and 70A uninterrupted current delivery with controlled surface temperature rise.
- Maximum pulse discharge capability up to 70C tailored for heavy industrial power tools
- Continuous 70A current output without triggering emergency thermal protection limits
- Extended cycle longevity retaining over 80 percent baseline capacity past 1000 cycles
- Matched selection by impedance and voltage balance for multi-cell industrial packs
INR21700-RS60 high-capacity industrial power cells
Cylindrical cells INR21700-RS60 providing 6000 mAh nominal capacity balance extended runtime with robust power by Jiangsu Reliance Energy / Tenpower. The cell maintains 50A continuous discharge and 30C pulse output within the standard 21700 mechanical envelope.
- Extended 6.0 Ah energy capacity within standard cylindrical dimensions of 21 by 70 mm
- Continuous discharge ratings reaching 50A suited for robotic carriers and AGV vehicles
- Optimized tabless electrode geometry engineered to suppress cyclic capacity degradation
- Integration into industrial traction battery assemblies equipped with balancing BMS
High-energy cylindrical cell range RH60 and RH70
The industrial INR21700 RH model series manufactured by Jiangsu Reliance Energy / Tenpower prioritizes maximum volumetric energy storage. Models RH60 (6 Ah) and RH70 (7 Ah) deliver prolonged operational runtime for robotic platforms at continuous 2C discharge currents.
- Record-setting nominal cell capacity ratings reaching 7.0 Ah in 21700 standard geometry
- Gravimetric energy density exceeding the benchmark boundary of 300 Wh per kilogram
- Steady discharge profile at 1C and 2C rates for stationary backup arrays and monitors
- Rigid steel housing tube incorporating pressure relief vents and internal current interrupt
Large-format cylindrical battery cells INR4695-RH320
Large cylindrical format cells measuring 46 mm diameter by 95 mm height from Jiangsu Reliance Energy / Tenpower deliver 32 Ah capacity at 3.6V potential. The format reduces parallel connection points inside industrial packs, boosting overall structural reliability.
- Substantial 32 Ah single-cell energy reducing total pack component count by sixfold
- Heavy-gauge cylindrical outer shell providing superior mechanical impact resistance
- Efficient axial heat dissipation through end terminals during rapid charging up to 3C
- Direct implementation within industrial stationary energy storage and traction drives
High-capacity traction cells in the 46120 series
The 46120 series standing 120 mm tall manufactured by Jiangsu Reliance Energy / Tenpower encompasses NCA (INR46120-RH420, 42 Ah) and LFP (IFR46120-RL250, 25 Ah) chemistries. These cells power heavy warehouse machinery, automated tugs, and utility battery containers.
- Choice of high-energy 42 Ah NCA chemistry or ultra-durable 25 Ah LFP formulation
- Standard nominal potential of 3.6V for ternary cells and 3.2V for iron phosphate units
- Reduced parasitic impedance and heat buildup due to broad terminal contact areas
- Tailored battery cassette assemblies featuring laser-welded copper and aluminum busbars
Tabless foil architecture across industrial cylindrical 21700 battery cells
The innovative tabless electrode architecture in Jiangsu Reliance Energy / Tenpower cylindrical lithium-ion cells represents a fundamental breakthrough over conventional wound jelly-rolls utilizing spot-welded collector tabs.
Standard cells direct current along narrow metallic foil strips, creating localized ohmic resistance bottlenecks and severe thermal build-up.
In Reliance tabless cells, current collection proceeds across the continuous spiral foil edge, dropping alternating current internal resistance below 4.0 mOhm.
Uniform current distribution throughout the cylindrical height suppresses core hotspot formation during extreme continuous discharge loads reaching seventy amperes.
Electrical operating regimes and discharge dynamics of INR21700-RS50 cells
Industrial battery cells designated INR21700-RS50 sustain continuous seventy-ampere discharge currents without exceeding critical eighty-degree thermal safety thresholds.
Combining five ampere-hour nominal capacity with a flat operating voltage curve, the cell maintains peak motor torque until complete energy depletion. Low voltage sag under heavy pulse load prevents unwanted tripping of system controller voltage cutoffs.
The cylindrical cells display dependable energy retention and discharge stability even under sub-zero ambient conditions down to minus forty degrees.
Rapid recharging at currents up to 3C and pack thermal management
Implementation of continuous tabless current paths allows regular rapid replenishment at currents reaching three times nominal C-rating without disrupting cathode crystal lattices.
This high-rate charge profile recovers eighty percent baseline capacity within ten minutes, enabling continuous deployment for automated guided vehicles and heavy equipment.
Reduced Joule heating during recharge limits stress on external liquid cooling circuits and prevents polymer separator degradation, ensuring long cyclic operational endurance past one thousand cycles.
Integration of large-format 4695 and 46120 cylindrical cells into traction drives
Transitioning to large-format cylindrical formats measuring 46 mm diameter by 95 mm and 120 mm height significantly streamlines high-voltage traction pack engineering.
Single-cell capacities reaching 42 Ah reduce the total number of parallel electrical interconnects by five to six times compared to traditional 18650 or 21700 arrays.
Fewer interconnect busbars minimize potential joining defects, reduce pack dead weight, and simplify the routing of liquid cooling jackets around cylindrical housings.
Electrochemistry selection between NCA and LFP formulations for energy storage
The cylindrical cell portfolio from Jiangsu Reliance Energy / Tenpower provides two distinct electrochemistries matched to specific operational duty cycles.
Ternary nickel-cobalt-aluminum NCA cells provide high gravimetric energy density exceeding 270 Wh/kg, making them suitable for mobile robotics, aerial drones, and portable power units.
Iron phosphate LFP cells in the 46120 geometry offering 25 Ah deliver superior thermal safety and prolonged cycle life for stationary utility storage containers.
Industrial laser welding standards and cell balancing across multi-tier modules
Industrial integration of Jiangsu Reliance Energy / Tenpower cylindrical cells demands rigorous electrical joining procedures. Due to thick copper and aluminum current collector end faces, standard resistance spot welding risks inconsistent penetration and local overheating.
Precision fiber laser welding with closed-loop depth monitoring is recommended to secure cells to nickel-plated copper busbars. To prevent progressive cell imbalance, each battery assembly incorporates active or passive electronic BMS balancing circuitry.
Jiangsu Reliance Energy / Tenpower and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Jiangsu Reliance Energy / Tenpower and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.
Related equipment manufacturers
- Equipment and parts for WAGNER MAGNETE
- Equipment and parts for ACTREG
- Equipment and parts for VALSTEAM ADCA
- Equipment and parts for STRESSTECH
- Equipment and parts for ACMA
Documents and sources
- Jiangsu Reliance Energy technical portal — industrial cylindrical lithium-ion cells directory
- Reliance Battery product matrix — tabless 21700 and 46 series technical parameters
- Tenpower manufacturer portal — high-drain cylindrical lithium-ion cell models
- Jiangsu Reliance New Energy corporate overview — manufacturing infrastructure and R&D
- INR21700-RS50 cell specification — electrical ratings and high-rate discharge performance
- Large-format 46 series cell parameters — 4695 and 46120 specifications for traction modules
