CF-VZSU28 58Wh 10.65V Li-ion Battery for Toughbook CF-19 MK1–MK8 — CF-VZSU48 CF-VZSU48U CF-VZSU50
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Part Numbers: CF-VZSU28 / CF-VZSU48 / CF-VZSU48U / CF-VZSU48R / CF-VZSU50 / CF-VZSU50U / CF-VZSU58U / CF-VZSU87R / CFVZSU48 — 58Wh / 10.65V / 6-Cell Li-ion / 5,700mAh
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Full Generation Coverage: Panasonic Toughbook CF-19 MK1 through MK8 — one of the longest-running fully rugged convertible tablet-laptop platforms; all eight MK generations use the same battery bay and connector
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Platform Note: The CF-19 is a semi-rugged rotating-screen convertible, not a standard laptop — battery draw profile differs from the CF-29/CF-30/CF-53 series; runtime under tablet-mode touch use is typically lower than laptop-mode
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Factory Direct Supply: Small-batch replenishment accepted; suited for government IT sustainment programs, law enforcement equipment services, and specialist rugged device distributors
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Garantia da Qualidade: 12-month warranty; ≥95% of rated 58Wh verified per batch; full electrical test report with sample orders
Descrição do produto
The Panasonic Toughbook CF-19 ran from 2006 through its MK8 generation — an unusually long production lifecycle for any laptop platform, let alone a rugged one. The reason it lasted eight MK generations is the form factor: a semi-rugged rotating convertible that could function as both a standard laptop and a tablet, with a digitizer touchscreen, making it practical for law enforcement officers, field service engineers, military logistics personnel, and utility inspectors who needed to take notes or capture signatures by hand. No other Toughbook platform spanned that many generations with the same battery interface unchanged, which is what makes the CF-VZSU28 / CF-VZSU48 battery family so prevalent in the aftermarket today.
The P/N history for this battery is worth understanding before placing a volume order. CF-VZSU28 is the original Panasonic OEM part number, introduced with the CF-19 at launch. As the platform evolved through MK3 and beyond, Panasonic issued updated P/Ns — CF-VZSU48, CF-VZSU48U, CF-VZSU48R, CF-VZSU50 — but the battery itself remained electrically and physically identical. Every aftermarket listing that cross-references all these P/Ns is correct: they are all the same 58Wh / 10.65V / 6-cell unit. The confusion in the market arises because some suppliers list only the newer CF-VZSU48U and omit CF-VZSU28, leaving older-generation procurement officers searching by the original P/N unable to find supply.
One operational detail relevant to B2B buyers managing CF-19 fleets: the CF-19 in tablet mode (screen rotated flat, stylus input active) draws more power than in standard laptop mode because the digitizer layer remains energized. Under continuous tablet-mode use — signature capture, form filling, field data collection — runtime is typically 3–4.5 hours from a 58Wh battery. In standard laptop mode with the screen in its conventional position, expect 5–7 hours under mixed workloads. Procuring the correct 58Wh / 5,700mAh capacity (not the reduced 52–56Wh variants that circulate under the same P/N) is therefore directly relevant to whether your CF-19 fleet covers a full shift in tablet-mode operation.
Verified Compatible Part Numbers (P/N):
CF-VZSU28 · CF-VZSU48 · CF-VZSU48U · CF-VZSU48R · CF-VZSU50 · CF-VZSU50U · CF-VZSU58U · CF-VZSU58 · CF-VZSU87R · CFVZSU48 · CF-VZSU48CJS · CS-CRF9NB (third-party battery code)
Modelos compatíveis verificados:
| Generation | Platform Details |
|---|---|
| CF-19 MK1 | Intel Core Solo / Core Duo — original 2006 platform |
| CF-19 MK2 | Intel Core 2 Duo |
| CF-19 MK3 | Intel Core 2 Duo — updated connector, same battery |
| CF-19 MK4 | Intel Core i5 (first gen) |
| CF-19 MK5 | Intel Core i5 second gen |
| CF-19 MK6 | Intel Core i5 third gen |
| CF-19 MK7 | Intel Core i5 fourth gen (Haswell) |
| CF-19 MK8 | Intel Core i5 fifth gen — final CF-19 production generation |
⚠️ Not compatible with CF-18 (earlier Panasonic convertible, different battery), or the CF-C2 convertible series (uses CF-VZSU80U). The CF-19 is a distinct platform with its own battery family.
Parâmetros técnicos
| Parâmetro | Especificação |
|---|---|
| Part Number (P/N) | CF-VZSU28 / CF-VZSU48 / CF-VZSU48U / CF-VZSU48R / CF-VZSU50 / CF-VZSU50U / CF-VZSU58U / CF-VZSU87R / CFVZSU48 |
| P/N History Note | CF-VZSU28 = original OEM P/N (CF-19 MK1 launch); CF-VZSU48 / CF-VZSU48U = updated P/Ns issued through later MK generations — all electrically and physically identical |
| Tipo de Bateria | Li-ion (Lithium-Ion), 6-Cell |
| Tensão nominal | 10.65V (Nominal) / compatible with 11.1V systems / 12.6V (Max Charge) |
| Rated Capacity (Wh) | 58Wh (OEM spec) — market variants range from 52Wh to 58Wh under same P/N |
| Capacidade nominal (mAh) | 5,700mAh (typical) / 5,200mAh (minimum market variant) |
| Configuração da célula | 3S2P (3 series × 2 parallel), 6 cells total |
| Grau celular | Grade-A Li-ion, capacity-matched within ±20mAh per cell group |
| Runtime — Laptop Mode | ~5–7 hours (mixed workloads, screen in standard laptop position) |
| Runtime — Tablet Mode | ~3–4.5 hours (continuous digitizer/stylus use, screen rotated flat) |
| Cor | Gray / Black (varies by production batch) |
| Over-charge Cutoff | > 12.6V |
| Over-discharge Protection | < 8.25V |
| Over-temperature Cutoff | > 70°C |
| Cycle Life (rated) | Up to 500 full charge-discharge cycles |
| Temperatura de operação | 0°C – 45°C (Charging) / -20°C – 60°C (Discharging) |
| Temperatura de armazenamento | -20°C – 40°C (recommended at 40–60% charge for long-term storage) |
| Compatible Generations | Toughbook CF-19 MK1 through MK8 — all eight production generations |
| Connector | OEM-matched Panasonic CF-19 6-cell connector (not compatible with CF-18 or CF-C2 series) |
| Certificações | CE / FCC / RoHS (batch documentation available on request) |
| Garantia | 12 meses |
Precisa de um plano de fornecimento estável? Envie sua lista de modelos, quantidades e destino. Confirmaremos o prazo de entrega, o método de envio e os documentos de conformidade antes de você fazer o pedido.
Características e vantagens
✅ Eight MK Generations, One SKU — Simplest Possible Inventory for CF-19 Fleets
The CF-19 ran from MK1 (2006) through MK8 (circa 2015) with the same battery bay and connector across all generations. For IT sustainment managers and depot operators maintaining multi-generation CF-19 fleets — common in law enforcement agencies and utility companies that refresh equipment in rolling waves — a single CF-VZSU28 / CF-VZSU48U SKU covers every unit in the pool. No generation-specific variant ordering, no connector mismatch risk.
✅ Understanding the P/N Evolution: CF-VZSU28 Through CF-VZSU87R
Panasonic issued multiple updated P/Ns for the same physical battery as the CF-19 platform evolved: CF-VZSU28 → CF-VZSU48 → CF-VZSU48U → CF-VZSU50 → CF-VZSU58U. All refer to the same 58Wh / 10.65V / 6-cell unit. We document the full cross-reference chain on all order confirmations, which prevents wrong-variant deliveries when procurement officers search by an older or newer P/N variant.
✅ 58Wh Capacity Verified — Not the Reduced Market Variants
The market for this battery includes units claiming the same P/N at capacities ranging from 52Wh to 58Wh. The OEM spec is 58Wh / 5,700mAh. Our production targets this figure, batch-verified at ≥95% of rated capacity before shipment. For CF-19 fleets deployed in tablet mode — the primary use case for convertible Toughbooks — the difference between 52Wh and 58Wh is approximately 45–60 minutes of additional field runtime per charge.
✅ Tablet-Mode Power Profile — Relevant for Field Use Specifications
The CF-19 in tablet mode draws more power than in standard laptop mode because the digitizer layer remains active. Under continuous tablet operation — stylus input, signature capture, field form data entry — runtime from a full 58Wh charge is approximately 3–4.5 hours. Procurement teams specifying battery replacement cycles for CF-19 fleets used primarily in tablet mode should factor this into their replacement interval planning, rather than using the laptop-mode 5–7 hour estimate as the baseline.
✅ Factory Direct for Legacy Fleet Sustainment and Specialist Distributor Supply
The CF-19 was officially discontinued but remains in active service across a large installed base in government, public safety, and utilities. Replacement battery demand for this platform comes primarily from IT sustainment contracts and specialist distributors serving the rugged device aftermarket — not one-time retail purchasers. Factory-direct pricing without distributor markup suits the rolling small-batch replenishment pattern that legacy fleet sustainment requires.
Embalagem e entrega
Prazo de entrega e envio
Produtos em estoque: Envio em até 3 dias
Para modelos de substituição padrão com estoque disponível.Encomendas de produção em massa: Envio em até 7 dias.
Para modelos regulares, de acordo com as especificações e requisitos de embalagem confirmados.Encomendas personalizadas: Envio em até 15 dias.
Para configuração personalizada de células, tamanho, fios/conectores, PCB/BMS, etiquetagem ou embalagem.
Observação: O tempo final de despacho depende de quantidade total, complexidade do modelo, requisitos de embalagem e documentos de conformidade de envio. Confirmaremos a data estimada de envio (ETD) após a confirmação do pedido.
Frete aéreo (urgente, volume menor)
Frete marítimo (custo-benefício para grandes volumes)
Ferrovia / Rodovia (dependendo do destino)
Canais expressos
Documentos disponíveis: UN38.3 / FISPQ / Relatório de Teste de Transporte (se aplicável)
A embalagem e a rotulagem das caixas de acordo com as normas podem ser providenciadas com base no método de envio escolhido.
EXW / FOB / CIF / DDP disponíveis
Perguntas frequentes
Q1: What is the relationship between CF-VZSU28, CF-VZSU48, CF-VZSU48U, and CF-VZSU50 — are they all the same battery?
A: Yes. CF-VZSU28 is the original Panasonic OEM part number issued with the CF-19 at launch. As the CF-19 evolved through its MK generations, Panasonic issued updated catalog P/Ns — CF-VZSU48, CF-VZSU48U, CF-VZSU48R, CF-VZSU50, CF-VZSU58U — but the battery itself remained electrically and physically unchanged at 58Wh / 10.65V / 6-cell throughout all eight MK generations. CF-VZSU87R is also a valid cross-reference in some distributor databases. When ordering, any of these P/Ns will get you the same physical unit.
Q2: Does the CF-VZSU28 / CF-VZSU48U battery cover all CF-19 MK generations from MK1 through MK8?
A: Yes — all eight MK generations of the CF-19 use the same battery bay and connector. This is one of the defining characteristics of the CF-19 platform: despite nine years of processor and hardware upgrades from MK1 (Core Duo) through MK8 (Core i5 Broadwell), Panasonic kept the battery interface unchanged. One SKU covers every CF-19 unit ever produced, which significantly simplifies inventory management for depot operators running mixed-generation fleets.
Q3: Why is the CF-19 battery runtime shorter when the screen is rotated into tablet mode?
A: In tablet mode, the CF-19’s digitizer layer — which converts stylus pressure and touch input into data — remains continuously powered. That layer draws a measurable and sustained additional current load that does not exist when the screen is in standard laptop position. The result is that tablet-mode runtime is typically 1.5–2.5 hours shorter per charge than laptop-mode runtime on the same battery. For procurement teams specifying replacement intervals for CF-19 fleets used primarily in tablet mode for field data collection or signature capture, this difference needs to be factored into the planned replacement cycle.
Q4: The CF-19 battery meter shows wildly inaccurate estimates after fitting a replacement — how do I recalibrate it?
A: This is a standard behavior on the CF-19 when a new battery is installed. The Windows battery meter is calibrated against a capacity baseline established during the previous battery’s life. Recalibration steps: (1) Charge to 100% uninterrupted on AC power. (2) Disconnect AC and allow the battery to discharge fully to automatic shutdown — do not stop at 5% or 10%. (3) Reconnect AC and charge back to 100% without interruption. After one full discharge-recharge cycle, the meter baseline resets against the new battery’s actual capacity. If estimates remain erratic after two full cycles, the replacement battery may be under-capacity — verify with powercfg /relatório de bateria in Windows PowerShell.
Q5: Can I order CF-VZSU28 samples with electrical test documentation before a bulk depot order?
A: Yes. Sample units ship within 3–5 business days with a full electrical test report: actual discharge capacity versus rated 58Wh (acceptance threshold ≥95%), internal resistance per cell group, and thermal cycling test results. For government IT procurement teams requiring documentation for incoming inspection records, these are included with the sample shipment. Bulk production lead time is 7–15 business days. Accepted payment terms: T/T, L/C, and platform escrow.
Q6: How should CF-VZSU28 batteries be managed for a legacy CF-19 fleet under a multi-year sustainment contract?
A: Three practical points for sustainment program battery management: (1) Storage — if stocking units for a multi-year contract, store at 40–60% charge in a 15–25°C environment. Check and cycle charge every 3 months. Li-ion cells stored at 0% for extended periods suffer permanent capacity reduction. (2) Replacement trigger — plan replacement when actual capacity drops below 40Wh (approximately 70% of rated 58Wh). Use powercfg /relatório de bateria across managed devices to monitor fleet-wide capacity trends without deploying additional software. (3) Incoming inspection — for any bulk delivery, spot-check 5–10% of units with a battery analyzer before distributing. Grade-A batches show under 3% capacity variance across units; high variance flags mixed cell quality in the production lot.
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