CR2450 Battery · Lithium 3V

High-capacity 24.5 mm lithium coin cell for sport watches, tags and larger electronics.

Specifications

Voltage
3V
Diameter
24.5 mm
Thickness
5.0 mm
Capacity
620 mAh
Weight
6.8 g
Typical capacity — reference value.
  • UL
  • UN38.3
  • CE
  • RoHS
  • ISO9001
CR2450 Lithium battery
CR2450 · Lithium 3V · Ø24.5 × 5.0 mm

Need a CR2450 replacement with real capacity? At 620 mAh it carries about three CR2032s - the right cell for sport watches, electronic tags and devices that stay on the shelf for years.

CR2450 price and availability: 5 pcs per card, 3,000 cards per outer carton, factory direct. Wholesale pricing applies from the first 50-carton order.

Where it is used

  • Car key fobs
  • CMOS / motherboards
  • Sport & smart watches
  • Electronic tags

Equivalent & Cross-Reference

  • ECR2450
  • DL2450

Packing quantities are standard; other formats on request.

CR2450 vs CR2032

The CR2450 is 4.5 mm wider and about three times the capacity of a CR2032. It is physically incompatible with 20 mm holders — always match the diameter first, then the thickness.

Wholesale & Custom Supply

Premium capacity at factory pricing: CR2450 ships 5 pcs per card, 3,000 cards per outer carton — ideal for wholesale programmes on proprietary formats.

EU Regulation (EU) 2023/1542

Battery Information for the EU Market

For each model we publish its full battery information file under Regulation (EU) 2023/1542 — chemistry system, performance data, hazardous substances statement and related documents.

General Information

Battery Name
Li-MnO₂ Button Cell (non-rechargeable)
Category
Portable battery
Chemistry System
Li-MnO₂
Model
CR2450
Norminal Voltage
3.0V
Shelf Life
One year after delivery under normal storage, 98% of initial capacity maintained
Country of Origin
China
Approx. Weight
6.5-7.0g (only for reference)
Trade/Brand name
TianQiu/No-brand/OEM brands
Production Date
According to customer requirements, generally printed on the battery negative electrode:Y-M For example: 64=2026-04 6X=2026-10 6Y=2026-11 6Z=2026-12

Manufacturer

DongGuan Tianqiu Enterprise Co., Ltd.
TianQiu Industrial Park, Xinji Industrial Zone, Machong Town, Dongguan Guangdong, P.R.China

European Authorized Representative

  • Apex CE Specialists GmbH
  • Grafenberger Allee 277, 40237 Düsseldorf, DE
  • Contact: Wells Yan
  • Email: Info@apex-ce.com
  • Tel: +49 2131 206 6043

Battery Characteristics Data Sheet

CapacityMAD
550mAh / 1.65Wh1450hours
600mAh / 1.80Wh1500hours
620mAh / 1.86Wh1550hours

◆ Capacity & MAD test condition: 7.5kΩ continuously to 2.0V @ 20±2℃

Critical Raw Materials

  • Lithium
  • Manganese
  • Graphite

Hazardous Substances & SVHC Statement

SVHC Information Disclosure (REACH Article 33) The electrolyte of this product contains ethylene glycol dimethyl ether (EGDME, CAS 110-71-4) above 0.1% w/w, a substance included in the REACH Candidate List of Substances of Very High Concern (SVHC). EGDME is an essential component of lithium battery electrolytes, and no viable alternative is currently available. This information enables downstream users to fulfil their information obligations under Article 33 of the REACH Regulation.

Related Documents

Doc No.: TQ-EUDOC-CR2450-20260701 · 550mAh ~ 620mAh

IEC standards: IEC 60086-1:2021 · IEC 60086-2:2021 · IEC 60086-3:2021 · IEC 60086-4:2025

Conformity module: Module A — Internal Production Control

Manufacturer: DongGuan Tianqiu Enterprise Co., Ltd. — assessed against Articles 6 & 13 of Regulation (EU) 2023/1542.

FAQ

What is a CR2450 battery?

A 24.5 mm diameter, 5.0 mm thick 3V lithium coin cell, about 620 mAh typical capacity.

Is a CR2450 the same as a CR2032?

No — it is wider and much higher capacity; they are not interchangeable.

Related battery types