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ER9V — Lithium Primary Battery
Lithium Primary Battery · Non-Rechargeable · EU 2023/1542 Compliant
ER 9V |9V | 1 200 mAh | | Li-SOCl₂ | Portable Battery |
Product Overview
The ER9V is a high-performance lithium thionyl chloride (Li-SOCl₂) primary battery engineered for applications requiring long service life, wide operating temperature range, and reliable voltage stability. Hermetically sealed construction delivers up to 10 years of storage life with exceptionally low self-discharge.
1. Specifications
| Model | ER9V |
|---|---|
| Document No. | FT-S-ER9V-06/02 (Version A/0) |
| Battery Category | Portable Battery (Non-Rechargeable) |
| Chemical System | Lithium Thionyl Chloride (Li-SOCl₂) |
| Nominal Voltage | 10.80 V |
| Open Circuit Voltage (OCV) | ≥ 10.95 V |
| Load Voltage (1 000 Ω, ≤ 10 s) | ≥ 9.75 V |
| Nominal Capacity | 1 200 mAh (0.5 mA discharge to 2.0 V at +23 °C) |
| Max. Continuous Discharge Current | 25 mA |
| Max. Pulse Discharge Current | 50 mA (0.1 s pulse, base 10 μA, V ≥ 2.7 V at +23 °C) |
| Operating Temperature Range | −55 °C to +85 °C |
| Storage Life | 10 years (at +10 °C to +25 °C, 45 % – 75 % RH) |
| Annual Self-Discharge Rate | ≤ 1 % |
| Typical Weight | 40 g |
| Place of Manufacture | Wuhan, Hubei, China |
| Date of Manufacture | Printed on battery and packaging (YYYYMM) |
Material Composition
Information pursuant to Annex VI Part A of Regulation (EU) 2023/1542.
| Component | CAS No. | Concentration (wt%) |
|---|---|---|
| Lithium (Li) | 7439-93-2 | 2.9 % |
| Thionyl Chloride (SOCl₂) | 7719-09-7 | 25.8 % |
| Acetylene Black (C) | 1333-86-4 | 2.5 % |
| Lithium Tetrachloroaluminate (LiAlCl₄) | 14024-11-4 | 3.4 % |
| Glass Fiber | 65997-17-3 | 0.9 % |
| Polytetrafluoroethylene (PTFE) | 9002-84-0 | 1.8 % |
| Other (inactive components) | — | 62.7 % |
Critical Raw Materials (> 0.1 % w/w): Lithium (Li) — 2.9 %
Hazardous Substances: Thionyl Chloride (SOCl₂) — corrosive; Lithium Tetrachloroaluminate (LiAlCl₄) — water-reactive.
Extinguishing Agent: CO₂ or dry chemical powder.
Performance & Durability
| Rated Capacity | 1 200 mAh (+23 °C, 0.5 mA continuous discharge to 2.0 V) |
| Fast Discharge Capacity (10 mA to 6.0 V) | ≥ 850 mAh |
| Capacity at −55 °C | ≥ 30 % of rated capacity (0.5 mA to 2.0 V) |
| Capacity at 0 °C | ≥ 65 % of rated capacity (0.5 mA to 2.0 V) |
| Capacity at +50 °C | ≥ 95 % of rated capacity (0.5 mA to 2.0 V) |
| Capacity at +85 °C | ≥ 93 % of rated capacity (0.5 mA to 2.0 V) |
| Minimum Average Duration | 85 hours (room temp., max. continuous discharge current 25 mA) |
| Storage Life | 10 years at +10 °C – +25 °C, 45 % – 75 % RH (capacity retention ≥ 90 %) |
| Replaceability | User-replaceable. Not permanently built into devices. |
2. Label Info
The ER9V battery label and packaging display the following mandatory information in accordance with Article 13 of Regulation (EU) 2023/1542:
1. Manufacturer Identification
Company name: Wuhan Forte Battery Co., Ltd.
Address: Forte Industrial Park, Wuhan, 430040, China
Email: marketing@whforte.com
2. Battery Category & Model
Portable Battery (Non-Rechargeable)
Model: ER9V
Date Code: YYYYMM
3. Place of Manufacture
Wuhan, Hubei, China
4. Date of Manufacture
YYYYMM — printed on battery casing and packaging
5. Weight
40 g (typical)
6. Capacity
1 200 mAh
7. Chemistry
Li-SOCl₂ (Lithium Thionyl Chloride)
8. Hazardous Substances
SOCl₂, LiAlCl₄
9. Extinguishing Agent
CO₂ or dry chemical powder
10. Critical Raw Materials (> 0.1 %)
Lithium (Li) — 2.9 %
Additional Markings:
- CE Marking — Articles 19–20
- Separate Collection Symbol (crossed-out wheeled bin) — Article 13(4), Annex VI Part B.
- Non-Rechargeable Marking — Article 13(3). Clearly identifies the battery as a primary battery.
- QR Code — Article 13(6), Annex VI Part C. Links to this product information page.
- Pb/Cd Symbols: Not Required — Test Report HLF24007070E confirms Pb 0.001 % < 0.004 % and Cd N.D. < 0.002 % (Article 13(5)).
- Minimum Average Duration — 85 hours (room temp., max. continuous discharge current 25 mA) per Article 13(3).
3. Compliance
EU Declaration of Conformity
Doc. No.: FT-EU-DOC-ER9V-[YYYYMMDD]
This product conforms to the applicable requirements of Regulation (EU) 2023/1542 concerning batteries and waste batteries. Conformity assessment performed under Module A — Internal Production Control (Annex VIII Part A).
Applied Standards & Test Reports
| Standard | Subject | Report No. | Result |
|---|---|---|---|
| IEC 60086-1 | Primary batteries — General | LA2024B1082001 | PASS |
| IEC 60086-2 | Primary batteries — Physical and electrical specifications | LA2024B1082001 | PASS |
| IEC 60086-4:2019 | Primary batteries — Safety of lithium batteries | LA2024B1082002 | PASS |
| EU 2023/1542 Annex I | Restrictions on substances (Pb, Cd, Hg) | HLF24007070E | PASS |
| IEC 62321 Series (RoHS) | Pb, Hg, Cd, Cr(VI), PBB, PBDE, DEHP, BBP, DBP, DIBP | CKGEC26000832301 | PASS |
| UN 38.3 | Transport of dangerous goods — Lithium batteries | MLIBSQAW14530521 | PASS |
| UL 1642 | Lithium batteries — Safety | MH46528 | Compliant |
| GB 8897.4 | Primary batteries — Safety of lithium batteries | — | Compliant |
| EN IEC 61000-6-3:2021 | EMC — Emission standard for residential, commercial and light-industrial environments | FTS24GR-5485E | Compliant |
| EN IEC 61000-6-1:2019 | EMC — Immunity standard for residential, commercial and light-industrial environments | FTS24GR-5485E | Compliant |
| EN IEC 61000-3-2:2019+A1:2021 | EMC — Limits for harmonic current emissions (≤16 A per phase) | FTS24GR-5485E | Compliant |
| EN 61000-3-3:2013+A1:2019+A2:2021 | EMC — Limitation of voltage changes, fluctuations and flicker | FTS24GR-5485E | Compliant |
4. Safety
Lithium batteries contain flammable materials. Read all instructions before use. Improper handling may cause leakage, overheating, explosion, or fire.
Prohibited Actions
- Do not recharge. Primary lithium batteries are non-rechargeable.
- Do not short circuit. Keep terminals away from metal objects.
- Do not over-discharge, crush, or incinerate.
- Do not disassemble or modify the battery in any way.
- Do not solder directly to the battery surface.
- Do not mix new and used batteries, different chemistries, models, or brands.
- Do not reverse polarity. Follow (+)/(−) markings.
- Do not use or heat outside the specified temperature range (−55 °C to +85 °C).
- Do not use batteries with severe scratches, deformation, or damage.
Safe Handling
- Read the product datasheet carefully before use.
- Inspect before installation. Do not use damaged, deformed, or leaking batteries.
- Remove the battery from the device promptly when end-of-discharge voltage is reached.
- For long-term storage, remove the battery and store in a cool, low-humidity environment.
- Consult FORTE before series/parallel assembly.
- Stop use immediately if abnormal heating, odor, color change, or deformation occurs.
- For upright installation, orient the battery with the positive terminal upward.
Storage
- Store away from static electricity sources.
- Temperature ≤ +30 °C | Relative Humidity: 45 % – 75 % RH.
- Keep away from heat sources and direct sunlight. Store in a clean, cool, dry, ventilated area.
- Max. stacking height: cartons ≤ 1.5 m; wooden crates ≤ 3 m.
- Store in original packaging only.
Disposal
- Do not dispose of in household waste.
- Insulate terminals with non-conductive tape before disposal.
- Immerse in 5 % NaCl solution to discharge to 0 V before recycling.
- Dispose of used batteries in accordance with local environmental regulations.
5. Waste & Recycling
Information provided pursuant to Article 74(1)(a)–(f) of Regulation (EU) 2023/1542.
6. Documents
| Document | Reference / Description | Format | Doc. NO |
|---|---|---|---|
| EU Declaration of Conformity | FT-EU-DOC-ER9V | 1 | |
| Product Datasheet — ER9V | FT-S-ER9V-06/02 Version A/0 | 2 | |
| Test Report — IEC 60086-1 & IEC 60086-2 | LA2024B1082001 | 3 | |
| Test Report — IEC 60086-4 Safety | LA2024B1082002 | 4 | |
| Test Report — compliance of the Directive EU 2023 1542(limit of Pb, Cd, Hg) | HLF24007070E | 5 | |
| Test Report — RoHS (IEC 62321) | CKGEC26000832301 | 6 | |
| Test Report — UN 38.3 | MLIBSQAW14530521 | 7 | |
| Test Report — UL 1642 | MH46528 | 8 | |
| Test Report — EMC (EN IEC 61000 Series) | FTS24GR-5485E | 9 | |
| Safety Instructions | Bilingual (EN/ZH) | 10 | |
| MSDS(Material Safety Data Sheet) | WHFT20251112MSDS14 | 11 |
Documents are in PDF format. For further inquiries, contact marketing@whforte.com.
Wuhan Forte Battery Co., Ltd.
Forte Industrial Park, Wuhan, 430040, China
marketing@whforte.com
Information maintained pursuant to Article 13(6)(b) of Regulation (EU) 2023/1542.
Last updated: June 2026.
Document retention: 10 years from last placing on the market.
Tel:+86-27-83258996
Email: marketing@whforte.com
Mob: +86 18986277926
Add: Forte Industrial Park, Wuhan,430040, China