SVP CyberSnap-901 Replacement Battery GBLi885-7 3.7V 900mAh

SVP CyberSnap-901 Series — 3.7V Li-ion Replacement Battery (GBLi885-7)

This is a 3.7V, 900mAh (3.33Wh) Li-ion replacement cell for the SVP CyberSnap-901, CyberSnap-LS, DC-12V, DC-12V-2, and compatible models. It fits the original battery slot and connects to the same charge management circuit. Use this when the original cell no longer holds a usable charge or fails to power the device through normal use.

• CyberSnap-901 and LS series fit: These models share the same 3.7V single-cell architecture, connector pinout, and BMS communication protocol — one cell works across the listed variants without modification.
• Bench tested on actual hardware: We cycled this cell through charge and discharge under load matching the CyberSnap's screen and processor draw. The BMS accepted the cell, completed charge termination correctly, and held voltage within spec across the full discharge curve.
• Fuel gauge recalibration on first use: After installing this cell, disable fast charging and run one complete discharge-to-charge cycle at standard rate. The fuel gauge IC on the CyberSnap-901 is calibrated to the old cell's discharge curve — one full cycle at low current lets it remap against the new cell before high-current charging begins.

Sudden shutdown at 20–30% on the CyberSnap after a cell swap

A new Li-ion cell has a slightly different voltage-discharge curve than the degraded cell it replaces. The CyberSnap's fuel gauge IC still expects the old curve, so it reads 25% remaining while the actual cell voltage has already dropped below the modem and display load threshold. The processor detects an undervoltage condition and shuts down before the gauge reaches zero. One full calibration cycle — drain to auto-off, then charge uninterrupted to 100% — rewrites the gauge's reference curve and stops premature shutdowns.

CyberSnap-901 not powering on after the replacement battery sat in storage

Li-ion cells self-discharge during storage. If this cell sat long enough to drop below approximately 2.5V, the BMS enters a lockout state to prevent damage and the phone will not respond to a normal power-on press. Connect the device to a wall charger — not a USB port — and leave it for 15–20 minutes without pressing any buttons. The charge IC delivers a low-current trickle that recovers the cell voltage above the BMS re-enable threshold. Once the screen shows a charge indicator, normal charging resumes.