Cause: I bought an old psv2000, considering that the battery is aging, and the original batteries sold on the market are all disassembled and the capacity is not large, so I plan to change the new battery with a larger block, and change the heat by the way.

First, change the battery

Preparation Tools: Soldering Iron Original Battery New Battery

1 Preparation

The first is to determine the size of the battery cell to be used, use the ruler to measure the length and width of the battery compartment, and then use the plasticine / keyboard mud to determine the thickness.

The size of this model’s psv2000 is 100mm50mm×60mm, and the optional battery must be within this size, otherwise it will not fit.

2 welding

The original protection board has a coulomb meter, which limits the charge and discharge. If the battery is directly replaced, the extra 1000 power cannot be used.

Therefore, directly cut off the Coulomb part of the original protection board, leaving only the right thermistor and the positive and negative poles. The positive and negative poles of the new battery are directly connected to the positive and negative poles of the original protection board.

The red line is the cut place, and the thermistor is circled. The reason for the retention is that psv should judge the temperature through this thermistor and white line.

Cut off the plastic case of the original protection board, or put it in a position where it is not enough. Put a heat-shrinkable tube on the welded part (use a tape without a heat-shrinkable tube on hand)

The cable of the protection board is placed in the upper roll cage. Some of the solutions to change the battery are to increase the size of the battery compartment by removing the piece of plastic. I originally planned to do this, but I found a better solution when looking at the data: the capacity is also about 3000, not to damage the machine.

3 results

Original psvita slim 2210 mAh, the modified battery is 3200 mAh, that is, the battery life is increased to 44.80%, the boot charge and discharge is normal, there is no other problem in the “starting charge is not full”, “shutdown can be full”

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