Sony PS Vita Replacement Battery SP65M 3.7V 2200mAh

Sony PS Vita PCH-1001 / PCH-1006 — 3.7V Li-Polymer Replacement Battery (SP65M)

This 3.7V, 2200mAh lithium-polymer battery replaces the original cell in the Sony PlayStation Vita handheld console. It fits the PCH-1001 and PCH-1006 hardware revisions, along with other first-generation PS Vita models. Cross-references OEM part numbers SP65M, 4-297-658-01, and PA-VT65.

• PCH-1001 and PCH-1006 compatibility: Both models use the same 81.00 x 45.25 x 6.55mm cell format and share the same connector pinout and BMS communication protocol — one cell fits both without modification.
• Bench tested on actual hardware: We ran this cell through charge and discharge on a PCH-1001 unit. The onboard charge IC accepted the cell, the BMS handshake completed without error flags, and the protection circuit tripped correctly at low-voltage cutoff.
• First-cycle calibration on PS Vita: After fitting, run one complete play session to automatic low-battery shutdown before recharging. The PS Vita fuel gauge IC sets its empty reference point against the first full discharge — skipping this step causes the battery indicator to read inaccurately from day one.

PS Vita fuel gauge jumping or reading wrong after a cell swap

The PS Vita uses a coulomb-counter fuel gauge IC that tracks charge state against a stored discharge curve. When a new cell goes in, the IC still holds the old cell's curve in memory, so the percentage display drifts or jumps as the new cell's actual voltage no longer matches the stored model. This corrects itself over three to five full discharge-and-charge cycles as the IC rewrites its reference data. Do not judge the battery's condition until at least three cycles are complete.

PS Vita not charging the replacement cell at full rate

The charge IC on first-generation PS Vita hardware applies a reduced current limit when it detects a cell voltage outside its expected window — a common state when a new lithium-polymer cell arrives slightly below storage voltage. This is a built-in protection behaviour, not a fault with the battery or the console. The charge rate steps up to full after the first complete charge cycle once the cell voltage sits within the IC's normal operating range. Confirm the charge indicator light is active and allow the first cycle to complete before drawing any conclusions.