About this replacement
AOKZOE A1L / A1 Pro / A2 — 11.7V Li-Polymer Replacement Battery (LR4867102-3S)
This is an 11.7V 6650mAh Li-Polymer replacement battery for the AOKZOE A1L, A1 Pro, and A2 handheld game consoles. It carries OEM part number LR4867102-3S and slots directly into the battery bay of these compact AMD-based handhelds. Swap it in when the original cell no longer holds a usable charge or fails to charge at all.
- A1L, A1 Pro, and A2 compatibility: All three consoles share the same 11.7V three-cell series configuration, the same LR4867102-3S footprint, and the same BMS communication protocol — so one battery covers all three platforms without modification.
- Bench tested on actual hardware: We ran this cell through the A1L's charge controller and confirmed the BMS handshake clears correctly, protection thresholds engage at the expected cutoff voltage, and the charge IC ramps to full rate after the first complete cycle.
- Fuel gauge calibration on first install: After fitting this battery, run one full wireless play session to automatic low-battery cutoff before recharging. The A1L's fuel gauge IC sets its empty reference point against the first full discharge — skipping this step causes the percentage readout to drift or jump for weeks.
Why the A1L fuel gauge jumps or reads wrong after a cell swap
The A1L uses a Coulomb-counting fuel gauge IC that builds its discharge model from the first few cycles on a given cell. When a new cell goes in, the IC has no learned curve yet, so it interpolates against stale data from the old cell. This produces sudden percentage jumps — often 10–20% at a time — and early or late low-battery warnings. The gauge self-corrects after three to five full charge-discharge cycles, settling to within a few percent of actual capacity. If it still reads erratically after five cycles, reset the gauge by charging to 100%, leaving the console on the charger for one additional hour, then discharging completely to auto-shutoff.
Console not charging the replacement cell at full rate
The A1L's charge IC applies a reduced current limit when it detects a cell whose internal resistance profile doesn't match its stored reference — a protective measure that looks like slow or stalled charging on a new battery. This is not a fault; it clears automatically after the first complete charge cycle. Plug the console in, leave it connected until the indicator shows 100%, then run it down fully. On the second charge you should see the LED behaviour return to normal and charge time drop back to the expected window. Confirm the cell is seated flat against the connector — a cocked connector raises contact resistance and can hold the IC in its conservative mode indefinitely.