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Rectangular black lithium-polymer battery pack, 8.0 by 1.5 by 0.8 centimetres

Dr. Battery

Dr. Battery 1785 laptop battery 7.57V 8030 mAh

SKU CH-TZK3-56ZKK MPN 1785

Replacement lithium-polymer battery for Microsoft Surface Book 1 model 1785 Performance Base with GTX 965M, 7.57V 8030 mAh capacity

  • Battery typeLi-polymer
  • Battery voltage rating7.57 V
  • Battery capacity8,030 mAh
  • Main functionNotebook
  • Measurements8.0 × 1.5 × 0.8
  • Product typeBattery
  • Compatible with Surface Book 1 1785 Performance Base models
  • 57 V 8030 mAh Li-polymer capacity for extended runtime
  • OEM-grade cells deliver stable power and reliable battery life
  • Built-in protection against over-charge over-discharge overheating short-circuit
  • Lightweight 0.4 kg design fits the original keyboard base

Compatible replacement battery

This replacement battery is built for the Microsoft Surface Book 1 model 1785 Performance Base and Enhanced Edition with GTX 965M graphics. It matches original part numbers 93HTA001H and G3HTA001H. The lithium-polymer pack delivers 7.57V and 8030 mAh capacity. Integrated circuitry protects against over-charge, over-discharge, overheating and short-circuit.

Users needing exact fit

Buyers who must replace the internal keyboard-base battery in a Surface Book 1 1785 Performance Base will find the correct voltage, capacity and connector here. Anyone with a standard Surface Book 1 without the Performance Base, a Surface Book 2 or 3, or any other laptop model should look elsewhere.

7.57V 8030 mAh specification

The single figure that decides fit is the 7.57V 8030 mAh rating paired with the 1785 Performance Base chassis. Confirm the original battery part number on your device before ordering. The pack measures 8.0x1.5x0.8 and weighs 0.4.

How it compares

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

Price $50.99
Pricier than about 82% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameMicrosoft
Model nameMicrosoft Surface Book 1 (Model 1785) Performance Base Series
Part numberDR-PRO-LMS203-B
Product typeBattery
Power
Battery typeLi-polymer
Battery voltage rating7.57 V
Battery capacity8,030 mAh
Size & build
Measurements8.0 × 1.5 × 0.8
Compatibility
Compatible withMicrosoft Surface Book 1 model (1785) with performance base / Microsoft Surface Book 1 model (1785) with performance base (GTX 965M) Enhanced Edition / Microsoft Surface Book 1 Performance Keyboard Base 1785 / Microsoft Surface Book 1785 With Performance Base / Microsoft Surface Book 1st 1785 battery / Microsoft Surface Book 1st Gen 1785 / Microsoft Surface Book Enhanced Edition
More details
Main functionNotebook

Questions about this item

Does the battery arrive ready to fit or do I need extra tools?

The battery is a direct replacement for Microsoft part numbers 93HTA001H and G3HTA001H; no additional parts are required for installation.

My Surface Book 1 model 1785 has the GTX 965M Performance Base — is this the correct battery?

Yes, the battery is built for the Surface Book 1 model 1785 Performance Base and Enhanced Edition with the GTX 965M graphics base.

What runtime can I expect from the 7.57V 8030 mAh capacity in daily use?

The 7.57V 8030 mAh lithium-polymer pack restores the original capacity rating for the Performance Base keyboard, giving comparable run time to a fresh factory battery.

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