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Nissan Dayz Smart Key & Remote Battery by Chassis Code
Which battery is used in the documented key system? Compare actual published manufacturer references for 6 exact Nissan Dayz chassis codes. Values can differ across drivetrain, trim and production period.
6documented chassis
1answer shared by every code
1source documents
2026-10-23latest evidence review
Before applying a specification
View all Nissan Dayz chassis →Confirm the engineering configuration
Different key or remote variants may ship with different coin cells even within the same model family. Match the actual fob, not just the vehicle name.
Year ranges here describe the cited chassis coverage, not every option sold under the same model name worldwide. The actual service manual and fitted equipment take precedence.
Source-linked answers
Smart Key & Remote Battery: chassis comparison
Open the original exact-code answer to see the manufacturer reference and full caveat.
| Exact code | Documented years | Key battery reference | Manufacturer source |
|---|---|---|---|
| B43W | 2019–2023 | CR2032 (Intelligent Key and remote-control entry key) (Nissan March 2019 AA1 manual edition) ↗ | Nissan Motor Co., Ltd. ↗Checked 2026-10-23 |
| B44W | 2019–2023 | CR2032 (Intelligent Key and remote-control entry key) (Nissan March 2019 AA1 manual edition) ↗ | Nissan Motor Co., Ltd. ↗Checked 2026-10-23 |
| B45W | 2019–2023 | CR2032 (Intelligent Key and remote-control entry key) (Nissan March 2019 AA1 manual edition) ↗ | Nissan Motor Co., Ltd. ↗Checked 2026-10-23 |
| B46W | 2019–2023 | CR2032 (Intelligent Key and remote-control entry key) (Nissan March 2019 AA1 manual edition) ↗ | Nissan Motor Co., Ltd. ↗Checked 2026-10-23 |
| B47W | 2019–2023 | CR2032 (Intelligent Key and remote-control entry key) (Nissan March 2019 AA1 manual edition) ↗ | Nissan Motor Co., Ltd. ↗Checked 2026-10-23 |
| B48W | 2019–2023 | CR2032 (Intelligent Key and remote-control entry key) (Nissan March 2019 AA1 manual edition) ↗ | Nissan Motor Co., Ltd. ↗Checked 2026-10-23 |
Documented differences
Which codes share an answer?
Grouped by exact published text. Similar wording is not treated as proof of identical equipment.
Reviewable evidence
Source scope and important caveats
Nissan Dayz B43W — Smart-key battery ↗
Published answer: CR2032 (Intelligent Key and remote-control entry key) (Nissan March 2019 AA1 manual edition)
Key battery type from Nissan's owner's manual key battery replacement pages; both key types use CR2032.
Applicability: Applies only to cars covered by Nissan's DAYZ AA1 owner's manual, March 2019 online edition (production 2019-03 to 2021-02; Nissan's next online edition is dated 2021-03); other production years are not established by this source. Japan-market Nissan Dayz B43W (5BA-B43W; BR06 0.66 L petrol, no mild hybrid, front-wheel drive), per Nissan's AA1 specification sheet; the manual's engine row is BR06DE. Which key is supplied depends on grade; both use CR2032. Source SHA-256 a81b35281a62cbd7efe79ab5bdab33a2e442432c4a17ec4ee76f72d588922c05.
Nissan Motor Co., Ltd. manufacturer reference · Nissan Motor Co., Ltd. · Manufacturer reference ↗
Nissan Dayz B44W — Smart-key battery ↗
Published answer: CR2032 (Intelligent Key and remote-control entry key) (Nissan March 2019 AA1 manual edition)
Key battery type from Nissan's owner's manual key battery replacement pages; both key types use CR2032.
Applicability: Applies only to cars covered by Nissan's DAYZ AA1 owner's manual, March 2019 online edition (production 2019-03 to 2021-02; Nissan's next online edition is dated 2021-03); other production years are not established by this source. Japan-market Nissan Dayz B44W (5AA-B44W; BR06 0.66 L petrol with SM21 mild hybrid, front-wheel drive), per Nissan's AA1 specification sheet; the manual's engine row is BR06DE. Which key is supplied depends on grade; both use CR2032. Source SHA-256 a81b35281a62cbd7efe79ab5bdab33a2e442432c4a17ec4ee76f72d588922c05.
Nissan Motor Co., Ltd. manufacturer reference · Nissan Motor Co., Ltd. · Manufacturer reference ↗
Nissan Dayz B45W — Smart-key battery ↗
Published answer: CR2032 (Intelligent Key and remote-control entry key) (Nissan March 2019 AA1 manual edition)
Key battery type from Nissan's owner's manual key battery replacement pages; both key types use CR2032.
Applicability: Applies only to cars covered by Nissan's DAYZ AA1 owner's manual, March 2019 online edition (production 2019-03 to 2021-02; Nissan's next online edition is dated 2021-03); other production years are not established by this source. Japan-market Nissan Dayz B45W (4AA-B45W; BR06 0.66 L intercooled turbo petrol with SM21 mild hybrid, front-wheel drive), per Nissan's AA1 specification sheet; the manual's engine row is BR06DET. Which key is supplied depends on grade; both use CR2032. Source SHA-256 a81b35281a62cbd7efe79ab5bdab33a2e442432c4a17ec4ee76f72d588922c05.
Nissan Motor Co., Ltd. manufacturer reference · Nissan Motor Co., Ltd. · Manufacturer reference ↗
Nissan Dayz B46W — Smart-key battery ↗
Published answer: CR2032 (Intelligent Key and remote-control entry key) (Nissan March 2019 AA1 manual edition)
Key battery type from Nissan's owner's manual key battery replacement pages; both key types use CR2032.
Applicability: Applies only to cars covered by Nissan's DAYZ AA1 owner's manual, March 2019 online edition (production 2019-03 to 2021-02; Nissan's next online edition is dated 2021-03); other production years are not established by this source. Japan-market Nissan Dayz B46W (5BA-B46W; BR06 0.66 L petrol, no mild hybrid, four-wheel drive), per Nissan's AA1 specification sheet; the manual's engine row is BR06DE. Which key is supplied depends on grade; both use CR2032. Source SHA-256 a81b35281a62cbd7efe79ab5bdab33a2e442432c4a17ec4ee76f72d588922c05.
Nissan Motor Co., Ltd. manufacturer reference · Nissan Motor Co., Ltd. · Manufacturer reference ↗
Nissan Dayz B47W — Smart-key battery ↗
Published answer: CR2032 (Intelligent Key and remote-control entry key) (Nissan March 2019 AA1 manual edition)
Key battery type from Nissan's owner's manual key battery replacement pages; both key types use CR2032.
Applicability: Applies only to cars covered by Nissan's DAYZ AA1 owner's manual, March 2019 online edition (production 2019-03 to 2021-02; Nissan's next online edition is dated 2021-03); other production years are not established by this source. Japan-market Nissan Dayz B47W (5AA-B47W; BR06 0.66 L petrol with SM21 mild hybrid, four-wheel drive), per Nissan's AA1 specification sheet; the manual's engine row is BR06DE. Which key is supplied depends on grade; both use CR2032. Source SHA-256 a81b35281a62cbd7efe79ab5bdab33a2e442432c4a17ec4ee76f72d588922c05.
Nissan Motor Co., Ltd. manufacturer reference · Nissan Motor Co., Ltd. · Manufacturer reference ↗
Nissan Dayz B48W — Smart-key battery ↗
Published answer: CR2032 (Intelligent Key and remote-control entry key) (Nissan March 2019 AA1 manual edition)
Key battery type from Nissan's owner's manual key battery replacement pages; both key types use CR2032.
Applicability: Applies only to cars covered by Nissan's DAYZ AA1 owner's manual, March 2019 online edition (production 2019-03 to 2021-02; Nissan's next online edition is dated 2021-03); other production years are not established by this source. Japan-market Nissan Dayz B48W (4AA-B48W; BR06 0.66 L intercooled turbo petrol with SM21 mild hybrid, four-wheel drive), per Nissan's AA1 specification sheet; the manual's engine row is BR06DET. Which key is supplied depends on grade; both use CR2032. Source SHA-256 a81b35281a62cbd7efe79ab5bdab33a2e442432c4a17ec4ee76f72d588922c05.
Nissan Motor Co., Ltd. manufacturer reference · Nissan Motor Co., Ltd. · Manufacturer reference ↗