Dibea V780 Cordless Vacuum Compatible Battery 14.8V 2600mAh

Dibea V780 / D960 / GT200 / GT9 — 14.8V Li-ion Replacement Battery

This is a 14.8V, 2600mAh (38.48Wh) Li-ion battery for the Dibea V780 and compatible cordless stick vacuum models. It fits the D960, GT200, and GT9 alongside the V780, all of which share the same 14.8V cell configuration and battery bay dimensions. When the original pack can no longer hold a charge, this unit restores the vacuum to its rated operating voltage.

• V780 / D960 / GT200 / GT9 platform fit: These models run the same 14.8V four-cell Li-ion architecture and share an identical battery connector and bay format. The BMS in each vacuum communicates with the pack over the same signal line, so the replacement initialises without modification.
• Bench tested on actual hardware: We ran this pack through charge and discharge cycles on the V780 motor assembly. The BMS held cutoff at the correct low-voltage threshold and did not trip on normal motor start-up current draw.
• Dock charging habit on these vacuums: Do not leave the vacuum sitting on the charging dock permanently. Dibea's wall-mount dock does not interrupt charge once the pack is full, so cells trickle-charge continuously. Charge to full, then remove the vacuum from the dock.

Suction dropping before the battery indicator reaches low on the V780

The V780 motor pulls higher current the moment airflow is restricted — a partially blocked filter or clogged cyclone forces the motor to work harder at the same fan speed. That elevated draw causes voltage sag across the cells before the indicator registers a low-battery state. The vacuum feels like it is losing power, but the pack may still be above 13V. Clean the filter first; if sag continues after that, the original cells have lost enough internal capacity that the replacement pack is the correct next step.

Motor cuts out mid-clean and then recovers after a few seconds

This is a BMS overcurrent trip, not a dead battery. When sustained suction restriction — blocked brush roll, full dustbin, or a clogged post-filter — forces the motor to draw beyond the BMS current threshold, the pack shuts the output rail and resets after a brief thermal or timer delay. The vacuum comes back on its own because the BMS has reset, not because the blockage cleared. Remove the blockage, empty the bin, and check the filter before the next run. If the trip happens on a clean machine with a new pack, measure open-circuit voltage; it should read between 16.4V and 16.8V on a full charge.