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Small rectangular lithium-polymer laptop battery with wire connector

NShi

NShi 3.7V 580mAh MKD35UP laptop battery

SKU CH-56S5-EG13V

3.7 V 580 mAh lithium-polymer replacement battery for 530le, 730, 740, 745 and 760li LCD key models

  • Battery typeLithium Polymer
  • Reliable power from a 3.7V 580mAh lithium polymer cell
  • Direct replacement for part numbers MKD35UP AE2536561 UP120009 9442976-01 6814351-01 1ICP3/37/57 D-80788
  • Compatible with 5310le 730 740 745 760li LCD key battery models
  • Matches original voltage and capacity specifications for consistent performance
  • Brand new condition ensures full rated capacity from first use

Replacement Battery for 530le 730 740 745 Models

This lithium polymer battery operates at 3.7V with a 580mAh capacity. It replaces the MKD35UP and matches part numbers including 9442976-01 and D-80788. The unit suits owners of compatible 5310le 760li LCD Key Battery devices needing a direct swap.

Simple Drop-In Installation

The pack fits the original compartment without soldering or cable modification. Align the connector and press until it seats. A common issue is a loose fit if the retention clips on older 730 or 740 chassis have worn down over time.

Steady Output During Extended Use

The chemistry maintains a stable 3.7V through long typing sessions or standby periods. Voltage sag stays minimal compared with aged original cells. Runtime scales with the 580mAh rating rather than peaking early and fading fast.

How it compares

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

Price $49.99
Pricier than about 82% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLithium Polymer

Questions about this item

How can I verify the 3.7V 580mAh battery is working after installation?

Power on the 5310le 730 740 745 or 760li LCD Key device; the battery icon should show charge increasing and the unit must run unplugged for a reasonable period.

What comes in the box and what must I source separately?

The package contains the 3.7V 580mAh lithium polymer replacement battery only; no tools, screws, cables or adhesive strips are included.

Which compatible part number matches my original battery?

Match the label on your old cell to one of these numbers: MKD35UP AE2536561 UP120009 9442976-01 6814351-01 1ICP3/37/57 D-80788.

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