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Rectangular black lithium battery pack 69.4 by 37.0 by 37.0 millimetres with label showing 14.4 volts 2600 milliampere hours

Estry

Estry 14.4V 2600mAh Replacement Battery for OKP K4 K7 K3P Life K2 K5

SKU CH-R6ZT-A6RV4

A 14.4V 2600mAh lithium replacement pack with overcharge, over-discharge, over-voltage and short-circuit protection for OKP K4, K7, K3P, Life K2 and K5 models

  • Battery pack size1-pack
  • Battery typeLithium
  • Battery capacity2,600 mAh
  • Battery voltage rating14.4
  • Product typeBatteries
  • 4V 2600mAh lithium cell powers compatible OKP vacuums
  • 44Wh capacity supports extended cleaning sessions
  • Built-in overcharge, over-discharge, over-voltage and short-circuit protection
  • Certified to ISO9001, RoHS, CE and UN38.3 standards
  • Compact 69.4 x 37.0 x 37.0mm pack weighs 270.0g

Compatible vacuum models

This replacement battery fits OKP K4, K7, K3P, Life K2 and K5 robotic vacuums. It delivers 14.4V and 2600mAh capacity for direct OEM substitution. The pack is sold as a single lithium unit ready for installation.

Build quality and daily use

The battery measures 69.4 x 37.0 x 37.0mm and weighs 270.0g, matching the original form factor for a secure fit. Integrated protection guards against overcharge, over-discharge, over-voltage and short circuits. Certifications include ISO9001, RoHS, CE, UN38.3 and MSDS.

Pre-purchase checks

Confirm your vacuum model appears in the supported list and verify the original battery part number before ordering. This pack only replaces the listed OKP models and will not fit other brands or series. Ensure the connector orientation matches your device.

How it compares

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

Price $23.99
Pricier than about 81% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameOKP
Product typeBatteries
Power
Battery typeLithium
Battery capacity2,600 mAh
Battery voltage rating14.4
In the box
Battery pack size1-pack

Questions about this item

What voltage and capacity does the 14.4V 2600mAh lithium pack deliver in practice?

It supplies 14.4 volts and 2600 milliampere-hours, giving 37.44 watt-hours of energy for the OKP K4 K7 K3P Life K2 K5 series.

Will the 69.4 x 37.0 x 37.0 mm case fit my vacuum's battery bay?

The pack measures 69.4 by 37.0 by 37.0 millimetres and weighs 270.0 grams, matching the original battery compartment for the listed OKP models.

How do I install the replacement and what step do people miss?

Power off the vacuum, remove the old pack, align the new battery's contacts, slide it in until it clicks, then charge fully before first use; the step often missed is the initial full charge.

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