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Rectangular black laptop battery with four cells and label showing 63Whr 15.2V

Total Micro Technologies

Total Micro Technologies RJ40GTM 4-Cell 63Whr 15.2V laptop battery

SKU CH-JF5C-1C5C9

A 4-cell 63Whr 15.2V laptop battery built to meet or exceed OEM specifications

  • 4-cell design delivers 63 Whr capacity for extended runtime
  • 2 V output matches original laptop power requirements
  • Meets or exceeds OEM specifications for reliable compatibility
  • New condition ensures full rated performance from first use
  • UPC 812382035736 confirms genuine Total Micro product

4-Cell 63Whr replacement battery

This Total Micro Technologies battery delivers 63Whr at 15.2V across four cells. It is built to meet or exceed the original equipment specification for compatible laptops. The unit is supplied new and carries UPC 812382035736 for identification.

Thermals and power in daily use

The 63Whr capacity supports typical mobile workloads without excessive heat buildup during discharge. Normal operation remains quiet because the pack has no moving parts. Power draw follows the host system's demand curve and stays within the 15.2V design envelope.

Upgrade context and fit

This pack replaces a worn or failed original battery of the same voltage and cell count. The jump is worthwhile when runtime has dropped noticeably or the laptop no longer holds charge away from mains power. Buyers who need a higher-capacity pack or a different voltage should verify their model's requirements before ordering.

How it compares

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

Price $66.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameTotal Micro

Questions about this item

How do I install the RJ40GTM 4-cell 63Whr 15.2V battery and which step do people get wrong?

Power off the laptop, unplug the AC adapter, slide the release latch, remove the old pack, align the RJ40GTM contacts, press firmly until the latch clicks, then reconnect power. The step most often missed is fully seating the connector before snapping the latch.

What maintenance or replacement will the RJ40GTM 63Whr 15.2V battery need later?

Lithium-ion cells degrade with charge cycles; expect reduced run-time after several hundred cycles. No user-serviceable parts exist — replace the whole pack when capacity no longer meets your needs.

What limit appears first on the RJ40GTM 15.2V pack under sustained heavy load?

The 63Whr capacity sets the energy ceiling; under continuous high draw the pack will reach its voltage floor and trigger the laptop's low-battery shutdown before thermal limits become an issue.

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