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Rectangular lithium-polymer laptop battery, black plastic casing with connector and label

NShi

NShi laptop battery 7.7V 39Wh for Galaxy Book 12.0" SM-W720 SM-W723 SM-W727 SM-W728 XE520 XE521

SKU CH-XDVT-AT8BA

A 7.7 V, 39 Wh lithium-polymer replacement battery for 12.0-inch Galaxy Book and Chromebook Plus V2 models

  • Battery typeLithium Polymer
  • Restores mobility with 39Wh lithium-polymer cell
  • Matches 7.7V spec for stable Galaxy Book operation
  • Fits SM-W720, SM-W723, SM-W727 and SM-W728 series
  • Compatible with Chromebook Plus V2 XE520 and XE521 models
  • Replaces EB-BW720ABA, EB-BW720ABE and AA-PBMN2H0 part numbers

Replacement Battery for Galaxy Book 12.0

This 7.7 V lithium-polymer pack delivers 39 Wh of capacity for Samsung Galaxy Book 12.0 models including the SM-W720, SM-W723, SM-W727 and SM-W728 series. It also fits Chromebook Plus V2 XE520 and XE521 devices. The battery replaces original part numbers EB-BW720ABA, EB-BW720ABE, AA-PBMN2HO and AA-PBMN2H0.

Capacity and Voltage Limits

The fixed 39 Wh rating and 7.7 V output define the energy available per charge cycle. Runtime will vary with screen brightness, workload and system power management, so heavy workloads will drain the pack faster than light browsing. No higher-capacity version is offered in this form factor.

Upgrading from a Degraded Original

This unit replaces a factory battery that no longer holds a useful charge or has swollen. The jump is worth it when the original cell drops below roughly half its initial runtime or triggers replacement warnings. It is not for users who need extended runtime beyond the original 39 Wh specification.

How it compares

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

Price $52.99
Pricier than about 84% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLithium Polymer

Questions about this item

Which Galaxy Book or Chromebook models does this 39Wh battery replace?

It replaces the original battery in Galaxy Book 12.0 models SM-W720, SM-W720V, SM-W720N, SM-W723, SM-W723Q, SM-W727, SM-W727V, SM-W727Y, SM-W728 and Chromebook Plus V2 XE520 and XE521 series.

What runtime can I expect from the 39Wh capacity in a Galaxy Book 12.0?

The 39Wh rating matches the original specification; actual runtime depends on screen brightness, workload and battery health, but it restores the factory design capacity for the 12.0 inch device.

Does the 7.7V voltage match the original Samsung part numbers AA-PBMN2H0 and EB-BW720ABA?

Yes, the 7.7V output and 39Wh capacity correspond exactly to Samsung part numbers AA-PBMN2H0, AA-PBMN2HO, EB-BW720ABA and EB-BW720ABE used in the listed models.

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