Blinc G2 Wireless Headset Replacement Battery Y6300L 3.7V 700mAh

Blinc G2 / VCAN / TORC / ONEAL Series — 3.7V Li-ion Replacement Battery (Y6300L)

This is a 3.7V, 700mAh Li-ion cell built to the Y6300L spec, replacing the original battery in the Blinc G2 and related helmet communication headsets. It fits the G2, VCAN, TORC, and ONEAL platforms, plus six additional compatible models in the same family. Voltage and capacity match the OEM spec exactly.

• G2 and cross-platform compatibility: The G2, VCAN, TORC, and ONEAL headsets share a common PCB layout, connector pinout, and BMS handshake protocol — which is why one cell covers all of them. Swapping in a cell with a different voltage profile would cause the base station to reject the pack or report a false full charge.
• Bench tested on actual hardware: We cycled this cell through charge and discharge on a G2 unit and confirmed the BMS completed its handshake without error codes. Current draw during active DECT transmission stayed within the cell's continuous discharge rating throughout the test.
• First-cycle base station protocol: Place the headset in the base immediately after fitting the new cell and leave it for a complete charge cycle before making any calls. DECT headsets log the new cell's voltage curve during that first supervised cycle — skipping it causes the base to display inaccurate charge status for days.

Base station not recognising the new pack after fitting

The G2 base uses a BMS handshake to identify the installed cell before it starts a charge cycle. If the cell ships at storage voltage — typically around 3.6–3.65V — the base may sit at a blinking or error state rather than entering charge mode. This is not a fault with the cell or the base. Seat the headset firmly in the cradle, leave it undisturbed for five minutes, then check again — the BMS needs a settled connection to initiate the handshake. If the indicator still does not change, remove the headset, wait 30 seconds, and re-seat it to trigger a fresh handshake attempt.

Headset cuts out mid-call even though the base showed a full charge

A new Li-ion cell at storage voltage can read as "full" to the base station's charge circuit before it has actually completed a proper first cycle. When the headset then draws combined load — audio output plus the DECT radio transmitting simultaneously — voltage sags below the cutoff threshold and the unit shuts down. The fix is one complete supervised charge cycle in the base before the headset goes into use. After that first full cycle the BMS recalibrates its state-of-charge reference and the cutoff behaviour normalises. Target a resting voltage of 4.1–4.2V at the cell terminals after that first cycle to confirm it completed correctly.