ER34615H D 3.6V Lithium Thionyl Chloride Battery – High Capacity, Bobbin-type Design, Long Life, Ultimate Reliability.
The ER34615H is a high-capacity, D-size 3.6V lithium thionyl chloride (Li-SOCl2) battery featuring a bobbin-type construction. Engineered for long-term, low-drain applications, it offers a nominal capacity of 19,000mAh and an exceptional energy density of up to 700Wh/kg.
This primary lithium battery ensures long-lasting performance, stable operating voltage, and excellent shelf life—even under harsh conditions. It is ideal for smart metering (AMR/AMI), industrial IoT devices, marine equipment, smart waste management, and more.
All SUNJ batteries are rigorously tested and certified to meet international safety, performance, and transportation standards.
Basic Parameters
Subject | Parameters | Remark |
Specification | D | Bobbin-type, stainless steel shell, fully sealed structure. |
Nominal voltage | 3.6V | –– |
Nominal capacity | 19000mAh | 2mA, 25±3℃,cut-off at 2.0V |
Max continuous discharge current | 230mA | –– |
Max available pulse current | 400mA | –– |
Operating temperature | -55℃~+85℃ | Elevated operating temperatures can cause reduced pulse capacity and low voltage readings. For temperatures exceeding +40℃ or falling below -20℃, consult SUNJ. |
Dimension | φ34.2x61.5mm | Figure attached |
Standard weight | About 103g | –– |
Annual self-discharge rate | ≤1% | 25±3℃,RH 65±10% |
Compatible Part Numbers
SL-2780, TL-5930, TL-4930, TL-2300, TL-2300/S, XL-200F, XL-205F, LSH20, LS33600, LS33600C, SB-D01, SB-D02, 1770-XO, 1771-BL, 61104501, 6EW1-000-0AA, 6EW1-001-0AA, 6EW10000AA, 6EW10010AA, 700071, T20/41, T20/51, PT-2300 and others.
▎Note: Compatibility is based on voltage, dimensions, and performance. Please consult our technical support team for replacement or installation advice.
▎Storage Guidelines: Store in a clean, cool (preferably <20°C, not exceeding 30°C), dry, and well-ventilated environment.
Flexible Single Cell Solutions
SUNJ offers customizable battery configurations designed to match different applications and fit your device precisely.
◆ S: Standard Terminals
◆ P: Axial Pins
◆ T: Solder Tabs
◆ Custom Terminals: Available upon request
Warnings
● This is a non-rechargeable lithium battery. Do not charge.
● Keep away from heat, fire, flammable or explosive materials.
● Do not short-circuit, crush, disassemble, incinerate, or expose to temperatures above 100°C.
● Operate only within the recommended temperature range.
Electrical Performance Graph
ER34615H Discharge Profiles (25℃) ↓
Voltage Recovery After Storage ↓
Voltage vs. Temperature curve ↓
Capacity vs.Current(2.0V cutoff) ↓
Key Features
● Excellent passivation resistance
● Low magnetic signature
● Ultra-high energy density: Up to 700Wh/kg.
● Stable operating voltage: 3.3–3.6V with ≥3.65V OCV.
● Long shelf life: 8–10 years with <1% annual self-discharge at 25°C.
● Wide temperature range: Operates reliably from -55°C to +85°C.
● Bobbin-type construction: Optimized for long-duration, low-drain applications.
● Superior safety: Non-flammable electrolyte, stainless steel case, hermetic sealing.
● Global compliance: Meets IEC60086-4, UL1642, UN38.3, MSDS, RoHS standards.
● Transport-safe: Non-restricted for air, sea, or land transport.
● Broad compatibility: Replaces TL-5930, XL-205F, LSH20, LS33600, etc.
Application Fields
Widely used in:
● Smart meters (AMR/AMI) and utility metering
● Industrial sensors and IoT devices
● Alarms, security, and tracking systems
● Marine instruments and buoys
● Military and research equipment
● Oil & gas exploration tools
Power Your Innovations with SUNJ ER34615H Batteries!
When reliability and longevity are critical, choose the SUNJ ER34615H. With ultra-high capacity and robust construction, it powers your industrial and smart applications with exceptional performance and safety. Bulk orders welcome. Contact our team today for expert consultation and fast global shipping!
FAQs
Q1: How is the ER34615H different from a standard D-size lithium battery?
A1: The ER34615H offers a larger 19,000mAh capacity with a bobbin-type design, optimized for long-duration, low-drain usage. It shares the same form factor and voltage as standard D-size lithium batteries but delivers superior energy retention.
Q2: Is the ER34615H rechargeable?
A2: No. It is a primary (non-rechargeable) lithium battery.
Q3: What certifications does it hold?
A3: It is certified to IEC60086-4, UL1642, UN38.3, RoHS, and MSDS standards.
Q4: What devices is it compatible with?
A4: ER34615H is suitable for AMR/AMI meters, industrial IoT, marine equipment, tracking systems, and can replace models like TL-5930, XL-205F, LS33600, and LSH20.
Q5: What is its shelf life?
A5: Up to 10 years with less than 1% self-discharge per year at room temperature.
All Li-Socl2 Battery Specifications
International Model Size | Max Dimension [mm] | Weight [g] | Nominal Voltage [V] | Nominal Capacity | Max Continuous Operating Current [mA] | Max Pulse Operating Current [mA] | |||
Model No. | Size | End Voltage [V] | Nominal Current [mA] | Nominal Capacity[mAh] | |||||
Bobbin Type | |||||||||
ER10450H | AAA | Φ10.5*45.0 | 10 | 3.6 | 2.0 | 1.0 | 1000 | 20 | 50 |
ER14250H | 1/2AA | Φ14.5*25.2 | 10 | 3.6 | 2.0 | 1.0 | 1200 | 20 | 50 |
ER14335H | 2/3AA | Φ14.5*33.5 | 13 | 3.6 | 2.0 | 1.0 | 1650 | 40 | 100 |
ER14505H | AA | Φ14.5*50.5 | 18 | 3.6 | 2.0 | 1.0 | 2700 | 50 | 100 |
ER17335H | 2/3AA | Φ17.5*33.5 | 20 | 3.6 | 2.0 | 1.0 | 1900 | 50 | 100 |
ER17505H | A | Φ17.5*50.5 | 24 | 3.6 | 2.0 | 2.0 | 3600 | 70 | 150 |
ER18505H | ―― | Φ18.5*50.5 | 30 | 3.6 | 2.0 | 2.0 | 4000 | 100 | 150 |
ER26500H | C | Φ26.2*50.0 | 53 | 3.6 | 2.0 | 2.0 | 8500 | 100 | 200 |
ER34585H | ―― | Φ34.2*58.5 | 100 | 3.6 | 2.0 | 2.0 | 16000 | 150 | 300 |
ER34615H | D | Φ34.2*61.5 | 103 | 3.6 | 2.0 | 2.0 | 19000 | 230 | 400 |
ER261020H | CC | Φ26.2*102.0 | 100 | 3.6 | 2.0 | 2.0 | 17000 | 250 | 500 |
ER341245H | DD | Φ34.2*124.5 | 200 | 3.6 | 2.0 | 5.0 | 36000 | 450 | 700 |
ER9V | ―― | 17.0*26.5*48.5 | 34 | 10.8 | 6.0 | 1.0 | 1200 | 25 | 50 |
Spiral Type | |||||||||
ER14250M | 1/2AA | Φ14.5*25.5 | 10 | 3.6 | 2.0 | 2.0 | 800 | 100 | 200 |
ER14335M | 2/3AA | Φ14.5*33.5 | 13 | 3.6 | 2.0 | 2.0 | 1350 | 200 | 600 |
ER14505M | AA | Φ14.5*50.5 | 19 | 3.6 | 2.0 | 3.0 | 2100 | 400 | 1000 |
ER17335M | 2/3A | Φ17.5*33.5 | 19 | 3.6 | 2.0 | 3.0 | 1700 | 400 | 1000 |
ER17505M | A | Φ17.5*50.5 | 26 | 3.6 | 2.0 | 5.0 | 2800 | 400 | 1000 |
ER18505M | ―― | Φ18.5*50.5 | 30 | 3.6 | 2.0 | 5.0 | 3500 | 500 | 1000 |
ER26500M | C | Φ26.2*50.5 | 57 | 3.6 | 2.0 | 10 | 6000 | 1000 | 2000 |
ER34615M | D | Φ34.2*61.5 | 109 | 3.6 | 2.0 | 15 | 13000 | 1800 | 3500 |
ER9V | ―― | 17.0*26.5*48.5 | 34 | 10.8 | 6.0 | 1.0 | 1200 | 25 | 50 |
Selection Guidelines:
◆ High Current / Pulse Applications → Spiral-type Cells
◆ Long-Term, Low-Current Applications → Bobbin-type Cells
◆ Higher Capacity Needs → Larger Size Models
Flexible Battery Pack Solutions
For projects requiring higher voltage or capacity, battery packs can be customized by combining multiple cells.
Our battery pack solutions are designed for easy integration and tailored to specific voltage, capacity, and size requirements.
By connecting ER cells in series or parallel, we create custom battery packs optimized for performance and safety in device applications.
Pack Customization Includes:
◆ Series and parallel configurations
◆ Custom connectors and wiring harnesses
◆ Encapsulation, heat-shrink, or plastic casing options
◆ PCM/PCB protection circuits and safety components
◆ IP-rated waterproofing solutions available upon request
◆ Capacitors for voltage stabilization and pulse current support
Popular Searches
Searching for ER34615H, ER34615, or high-capacity D-size lithium batteries? SUNJ offers reliable, long-life lithium thionyl chloride (Li-SOCl2) solutions for metering, IoT, and industrial applications. Our ER34615H 3.6V battery stands out with ultra-high energy density, low self-discharge, and full international compliance.