01AV430 11.52V 57Wh ThinkPad X1 Carbon 5th Gen 6th Gen Battery | Factory-Direct Supply

OEM P/N: 01AV430 (SB10K97587); cross-references 01AV429 (SB10K97586), 01AV431 (SB10K97588), 01AV494 (SB10K97586), 3ICP5/88/70, 3ICP5/88/73
Specs: 11.52V · 57Wh · ~4920–4950mAh · Li-ion · Black — 57Wh OEM replacement battery (some listings show 11.58V — same battery, alternate voltage rounding; 11.52V is the documented nominal)
Compatibility: ThinkPad X1 Carbon 5th Gen (2017) / 6th Gen (2018) only — not compatible with 02DL006 X1 Carbon 4th Gen (2016) or 7th Gen (2019) and later
Procurement note: OEM replacement grade — verified supply classification for 01AV430 line; available from stock; low minimum order quantity
Wh tier positioning: 57Wh is the single capacity option for X1 Carbon 5th and 6th Gen; no lower-capacity variant exists for this platform generation

Product Description

The 01AV430 is the sole battery option for the ThinkPad X1 Carbon 5th Gen and 6th Gen — the 2017 and 2018 production years of the X1 Carbon premium ultrabook line. Unlike platform generations where two Wh tiers exist, the X1 Carbon 5th and 6th Gen ship with 57Wh as the only documented capacity for this chassis, and the 01AV429 / 01AV430 / 01AV431 / 01AV494 cross-reference family all draw from the same physical battery stock.

ThinkPad X1 Carbon 5th and 6th Gen units remain active in corporate fleet inventories, government agency pools, and secondary market channels — representing a consistent ongoing demand stream for replacement batteries well past the original warranty period. Service depots and IT asset teams maintaining these generations can stock the entire replacement battery demand for both years under a single P/N line with no variant split between 5th and 6th Gen.

A procurement boundary buyers must carry: the 4th Gen (2016) X1 Carbon uses a different battery family, and the 7th Gen (2019) and later generations use the L18-series or L20-series lines — none of those are compatible with the 01AV430 line. Sourcing from a supplier who explicitly catalogs each generation separately eliminates the cross-generation ordering error that generates returns and reorder cycles in multi-generation X1 Carbon fleet accounts.

Technical Parameters

Parameter	Detail
Battery Model	01AV430
Compatible Part Numbers	01AV430 · SB10K97587 · 01AV429 · SB10K97586 · 01AV431 · SB10K97588 · 01AV494 · 3ICP5/88/70 · 3ICP5/88/73
Brand Compatibility	Lenovo
Voltage	11.52V nominal (some listings show 11.58V — alternate rounding of same 4-cell Li-ion spec; 11.52V is the documented nominal per specialist sources)
Capacity	~4920–4950mAh
Energy	57Wh
Cell Type	Li-ion
Cell Configuration	4-cell
Color	Black
Condition	New; OEM-compatible replacement unit
Cycle Life	~500 cycles
Certifications	CE · RoHS · UN38.3
Warranty	12 months
Package Includes	1 × 01AV430 replacement battery
Compatible Laptop Models	ThinkPad X1 Carbon 5th Gen (20HQ / 20HR / 20K3 / 20K4) · ThinkPad X1 Carbon 6th Gen (20KG / 20KH) · Not compatible with X1 Carbon 4th Gen (2016, 20FB/20FC) or X1 Carbon 7th Gen (2019) and later — those generations use different battery families
Application	Replacement laptop battery — factory-direct supply, repair depot stock, fleet battery maintenance
Supply Type	Distributor supply · From stock · Mixed-SKU orders accepted

Need a stable supply plan? Send your model list + quantities + destination. We’ll confirm lead time, shipping method, and compliance documents before you place the order.

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Features & Advantages

✅ 🔋 Per-Unit Replacement Cost Tied to Fleet Deployment Age on X1 Carbon Platforms

X1 Carbon 5th and 6th Gen devices currently in active fleet use are between seven and eight years into service — a deployment age at which per-unit battery replacement cost becomes the dominant variable in the total cost-of-ownership calculation for keeping devices in productive use versus retiring them. At that service stage, the procurement argument for a Grade-A Li-ion replacement rated to approximately 500 cycles is direct: a correctly spec’d replacement at 57Wh extends active device life by two to three additional years at the cost of one battery swap, compared to the per-seat cost of hardware refresh for every degraded unit in the fleet.

✅ 🖥️ Single Stock Position for Both X1 Carbon 5th and 6th Gen Populations

The 01AV430, 01AV429, 01AV431, and 01AV494 are fully interchangeable across the X1 Carbon 5th Gen (20HQ / 20HR / 20K3 / 20K4) and 6th Gen (20KG / 20KH) type code ranges — the P/N suffix numeral distinguishes cell manufacturer batch source, not device fitment. A depot or IT asset team stocking replacement batteries for a mixed 5th-and-6th-Gen X1 Carbon population needs a single bin entry, not two. No connector adaptation, no chassis-specific variant, no fitment difference between the 2017 and 2018 model years for this battery line.

✅ ⚙️ EC Authentication Behavior and BMS Alignment on ThinkPad X1 Carbon 5th/6th Gen

ThinkPad X1 Carbon 5th and 6th Gen firmware runs a battery authentication handshake at POST where the EC reads the battery’s EEPROM chemistry ID and design voltage before enabling charge current. A BMS profile presenting a design voltage outside the OEM-expected window for this platform — the most common failure point in low-grade aftermarket replacements — generates a “Battery not recognized” state in Lenovo Power Manager and disables charge initiation without a visible system error, creating a misdiagnosis pattern at first-line service. This battery’s BMS aligns overcharge ceiling and over-discharge floor to the X1 Carbon 5th/6th Gen EC’s documented EEPROM parameter expectations, with thermal cutoff and short-circuit protection as secondary safeguards. The EC authentication sequence clears without intervention on first insertion.

✅ 📦 Warranty Tracking Simplification for X1 Carbon Multi-Generation Accounts

Service accounts maintaining X1 Carbon fleets spanning multiple generations frequently carry separate warranty tracking entries for each battery P/N line — 01AV430 for 5th/6th Gen, L18-series for 7th/8th Gen, L20-series for later generations. Consolidating 5th and 6th Gen demand under the single 01AV430 replacement battery line reduces the number of active warranty lines in an account’s parts tracking system. Wholesale orders for this line ship under a single warranty document covering both generation types, and low MOQ means buyers can replenish in quantities matched to actual fleet service event volume rather than minimum stocking thresholds.

✅ 🌍 Generation Boundary Documentation for X1 Carbon Multi-Gen Sourcing

Distributor catalogs and parts platforms frequently list the 01AV430 family without specifying the incompatibility with X1 Carbon 4th Gen (2016) and 7th Gen and later (2019 onward) — leaving buyers to discover the generation boundary after a mis-ship. This product entry explicitly documents the 4th Gen and 7th Gen exclusions, cross-references the correct alternative P/N families for those adjacent generations, and accepts mixed-SKU orders combining this line with the correct battery P/N for other X1 Carbon generations in the same account. For buyers sourcing across a multi-generation X1 Carbon fleet, that boundary clarity at the point of order reduces return and reorder cycle overhead per procurement event.

Packing & Delivery

Lead Time & Shipping

In-stock items: Ship within 3 days
For standard replacement models with available inventory.
Mass production orders: Ship within 7 days
For regular models under confirmed specifications and packaging requirements.
Customized orders: Ship within 15 days
For custom cell configuration, size, wire/connector, PCB/BMS, labeling, or packaging.

Note: Final dispatch time depends on total quantity, model complexity, packaging requirements, and shipping compliance documents. We will confirm the estimated shipping date (ETD) after order confirmation.

Available shipping methods:

Air freight (urgent, smaller volume)
Sea freight (cost-effective for bulk)
Rail / Truck (subject to destination)
Express channels

Compliance & Documents:

Documents available: UN38.3 / MSDS / Transport Test Report (if applicable)
Compliant packaging and carton labeling can be arranged based on the chosen shipping method.

Shipping terms:

EXW / FOB / CIF / DDP available

FAQ

Q1: The 01AV430, 01AV429, 01AV431, and 01AV494 are all listed as compatible with the same devices. How should a buyer decide which P/N to order?

A1: The four P/Ns are the same physical battery — the suffix numeral in the 01AV4xx family identifies the cell manufacturer source used in that production batch, not any difference in voltage, capacity, connector, or BMS profile. All four fit the X1 Carbon 5th Gen (20HQ / 20HR / 20K3 / 20K4) and 6th Gen (20KG / 20KH) type code ranges identically. The Lenovo EC reads chemistry ID and design capacity from EEPROM during authentication — it does not distinguish between the four suffix variants. For parts ordering, the P/N that appears on the original battery label inside the device is the most direct reference, but any of the four may be ordered interchangeably against the same device population.

Q2: Some listings show this battery at 11.52V and others at 11.58V. Does the voltage difference affect compatibility with the ThinkPad X1 Carbon 5th and 6th Gen?

A2: No compatibility difference exists between the two voltage figures — they describe the same 4-cell Li-ion battery under different rounding conventions. lenovobatt.com explicitly documents that 11.52V and 11.58V are in common use for this line and are interchangeable. For import declarations and purchase order documentation, 11.52V is the nominal that aligns most closely with the majority of specialist parts source records. A buyer purchasing on either stated voltage receives the same physical battery.

Q3: Does the 01AV430 fit the ThinkPad X1 Carbon 4th Gen (2016) or the 7th Gen (2019)?

A3: Neither. The 4th Gen X1 Carbon (2016, type codes 20FB / 20FC) uses the 00HW028 / 00HW029 battery family with a different connector and form factor. The 7th Gen (2019) and later use the L18-series or L20-series battery lines — different voltage, different P/N family, and a different physical connector than the 01AV430. The 01AV430 line covers the 5th Gen (2017) and 6th Gen (2018) only. For accounts stocking batteries across multiple X1 Carbon generations, each generation boundary requires a separate parts line — they cannot be substituted across these breaks.

Q4: After installing a new 01AV430, the battery indicator in Windows shows full charge but the device shuts down unexpectedly at around 20% reported capacity. What is the cause?

A4: This is a battery gauge calibration issue on the X1 Carbon platform rather than a hardware defect. The ThinkPad EC stores the previous battery’s charge curve as the discharge reference baseline, and a new battery with a different actual capacity profile can cause the gauge to misreport the charge state until the EC recalibrates. Run the battery down to below 5% under normal operating load — do not force shutdown — then charge fully to 100% without interruption and restart. The EC recalculates the discharge curve against the new battery’s actual capacity after this first complete cycle, and the unexpected shutdown behavior resolves. If the issue persists after two conditioning cycles, reseat the battery connector.

Q5: We source batteries for a mixed X1 Carbon fleet that spans 5th, 6th, and 7th Gen units. Can mixed-SKU orders combining 01AV430 units for the older generations and L18-series P/Ns for the 7th Gen be submitted together?

A5: Mixed-SKU orders covering both battery lines — 01AV430 for X1 Carbon 5th/6th Gen and the L18-series (02DL006 / L18C4P71) for X1 Carbon 7th/8th Gen — are processed from the same stock under a single consolidated purchase order. A wholesale reseller or fleet parts buyer does not need to submit a separate order per battery family or per device generation. List the P/Ns with their respective generation ranges and directional quantities, include the destination country, and contact us for a consolidated distributor price covering the full multi-generation order.

Q6: Is the 57Wh capacity on the 01AV430 the only option for the X1 Carbon 5th and 6th Gen, or does a lower-capacity variant exist?

A6: 57Wh is the only capacity option for the X1 Carbon 5th and 6th Gen. Unlike some ThinkPad models that shipped with two Wh tiers, the 01AV-series for these generations has no lower-capacity variant in OEM documentation or in specialist parts records. The 01AV429, 01AV430, 01AV431, and 01AV494 all describe the same 57Wh battery — there is no 45Wh or 51Wh option for this chassis. Buyers do not need to verify a capacity tier when ordering for these two specific generations; the 57Wh unit is the correct choice for any X1 Carbon 5th or 6th Gen regardless of configuration.