SVP NP-900 Sony Alpha Compatible Battery 3.7V 600mAh

SVP XTHINN 8061 / XTHINN 706 — 3.7V Li-ion Replacement Battery (2491-0015-00)

This is a 3.7V 600mAh (2.22Wh) lithium-ion replacement cell for the SVP XTHINN 8061 and XTHINN 706 compact digital cameras. It matches the OEM voltage rail and physical dimensions (43.70 × 31.30 × 7.00mm) of the original 2491-0015-00 cell. Cross-compatible part numbers include BLi-269 and the 02491-0026 and 02491-0037 series.

• XTHINN 8061 and 706 platform fit: Both camera bodies share the same battery bay dimensions and 3.7V input rail, which is why a single cell covers both models. The BMS in each body reads the same voltage thresholds, so the replacement cell communicates charge state the same way the original does.
• Bench tested on actual hardware: We cycled this cell through the XTHINN 8061 body using the OEM charger. The BMS accepted the cell without a rejection flag, held a stable voltage curve through discharge, and triggered the low-battery warning at the expected threshold.
• First-install charge cycle on the XTHINN 8061: Run the first full charge inside the camera body or with the OEM charger — not a generic USB adapter. Some SVP camera BMS firmware needs a complete charge cycle from the OEM source before the battery-remaining indicator maps correctly to the new cell's discharge curve.

Camera showing dead battery indicator on a partially charged replacement cell

The XTHINN 8061's battery indicator maps percentage to voltage thresholds calibrated to the original cell's discharge curve. A new third-party cell can discharge at a slightly different rate across that same voltage window, causing the indicator to read empty while usable charge remains. This is a display calibration issue, not a fault with the cell itself. One full charge-discharge cycle inside the camera body usually re-aligns the indicator — end the cycle when the camera shuts off from low battery, then charge to 4.2V before shooting again.

SVP camera body rejecting the replacement cell on first install

Some XTHINN bodies perform a BMS handshake on power-up that can return a no-battery or incompatible flag when a new cell hasn't been through a charge cycle yet. This isn't an authentication lock — it's a voltage-state check. Insert the cell, connect the OEM charger, and let it complete a full charge before powering the camera on. If the flag persists after one full charge cycle, check that the cell contacts are clean and seated flat — the narrow 7.00mm profile means even slight misalignment breaks the circuit.