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Rectangular black lithium-ion battery pack with six cells, extended rear profile for ThinkPad models

Tryhi

Tryhi 6-Cell 72Wh 61++ Extended Battery for Lenovo ThinkPad T470 T480 T570 T580 P51S P52S A475 A485 TP25

SKU CH-4R0N-QTE75

A 6-cell 72 Wh lithium-ion battery replacing Lenovo 61, 61+ and 61++ packs for ThinkPad T470, T480, T570, T580, P51s, P52s, A475, A485 and TP25 models

  • Battery Type6 Cell Lithium-Ion
  • Extended runtime with 72Wh capacity
  • Broad compatibility across T470 T480 T570 T580 P51S P52S A475 A485 TP25
  • Certified safety with CE FCC RoHS approvals
  • Replaces multiple part numbers including 4X50M08812 01AV423 01AV425
  • Up to 500 recharge cycles for long service life

72Wh 6-Cell Extended Battery

This 72Wh 6-cell lithium-ion battery replaces Lenovo 61++ part 4X50M08812 and fits ThinkPad T470 T480 T570 T580 P51S P52S A475 A485 TP25 models. It operates at 12.6V 11.4V 10.8V and carries CE FCC RoHS certification. The pack is suited for mobile professionals who need longer run-time on supported ThinkPad laptops.

Capacity and headroom

Rated at 72Wh and 6272mAh the pack provides more energy than the 48Wh 4400mAh and 24Wh 2100mAh alternatives it also replaces. It supports up to 500 recharge cycles over its service life. The higher capacity extends usage between charges but physical size remains that of the original 6-cell form factor.

Protection and compatibility limits

Built-in circuits guard against overcharge overdischarge over-temperature and short-circuit. The battery matches OEM electrical specifications for the listed part numbers including 01AV427 01AV428 SB10K97584 SB10K97585. It does not fit ThinkPad models outside the T470 T480 T570 T580 P51S P52S A475 A485 TP25 series or systems requiring a different voltage or connector layout.

Highlights

  • Extended runtime with 72Wh capacity
  • Broad compatibility across T470 T480 T570 T580 P51S P52S A475 A485 TP25
  • Certified safety with CE FCC RoHS approvals
  • Replaces multiple part numbers including 4X50M08812 01AV423 01AV425
  • Up to 500 recharge cycles for long service life

Specifications

Battery Type6 Cell Lithium-Ion

Questions about this item

Will the 6-cell 72Wh 61++ battery fit alongside the internal battery on my ThinkPad T480?

Yes, the 61++ extended battery is designed to work with the internal battery on T470, T480, T570, T580, P51S, P52S, A475, A485 and TP25 models, providing combined runtime.

How can I verify the 12.6V / 11.4V / 10.8V battery is charging correctly after installation?

The ThinkPad power manager will show the 61++ battery at 72Wh capacity and report charge cycles; a steady charge LED and normal boot confirm the protection circuits are active.

Does the box include a 01AV423 61 battery or only the 4X50M08812 61++ unit?

The package contains the 6-cell 72Wh 61++ battery only; the 48Wh 61 or 24Wh batteries are not included and must be purchased separately if required.

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