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Rectangular black lithium-ion laptop battery with label showing 24Wh 3-cell rating

FOCUSTEC

FOCUSTEC 3-Cell 24Wh Laptop Battery for Lenovo ThinkPad 61 01AV423

SKU CH-7EM0-5A256

3-cell 24 Wh lithium-ion replacement for Lenovo ThinkPad T470, T480, T570, T580, P51s and P52s

  • Battery typeLithium-Ion
  • Replaces original 61-series battery across multiple ThinkPad models
  • 3-cell lithium-ion design delivers 24Wh capacity at 11.4V / 10.8V
  • CE, FCC and RoHS certified for safety and compliance
  • Built-in overcharge, overdischarge, over-temperature and short-circuit protection
  • Compatible with 61, 61+ and 61++ part numbers including 01AV423, 01AV425, 4X50M08812

What this battery replaces

This 3-cell lithium-ion unit replaces the Lenovo ThinkPad 61 battery (part 01AV423) and is also compatible with the higher-capacity 61+ and 61++ packs. It fits ThinkPad T470, T480, T570, T580, P51S, P52S, A475, A485 and TP25 models. Buyers needing 48 Wh or 72 Wh capacity should look elsewhere.

Sustained discharge behaviour

Rated at 11.4 V and 24 Wh (2100 mAh), the pack delivers a steady voltage through typical office workloads. Overcharge, overdischarge, over-temperature and short-circuit protection circuits maintain stable output during long sessions. It is not designed for extended heavy-load use without mains power.

Thermals, noise and power draw

The battery operates silently and adds no active cooling requirement. Normal charging follows the laptop’s built-in controller at 10.8 V / 11.4 V with low power consumption. CE, FCC and RoHS certifications confirm compliance with safety and environmental standards.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $36.99
Pricier than about 66% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLithium-Ion

Questions about this item

Does the 24Wh 3-cell battery run hotter than the original 48Wh pack during all-day use?

The 24Wh capacity is half the 48Wh design, so each cell handles more current; expect warmer operation under sustained load.

Will this 01AV423 replacement work without the original Lenovo charger?

It charges from any 10.8V / 11.4V ThinkPad AC adapter that fits the T470, T480, T570, T580, P51S or P52S barrel or USB-C port.

Can I keep my 61++ 72Wh battery installed and swap only the internal 3-cell pack?

The 01AV423 replaces the entire 61, 61+ or 61++ pack; it is not a cell-level module for the larger 72Wh housing.

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