Fun Beat VacuSmart 700 Replacement Battery 14.4V 2000mAh Ni-MH

Fun Beat VacuSmart 700 — 14.4V Ni-MH Replacement Battery

This is a 14.4V, 2000mAh Ni-MH replacement battery pack for the Fun Beat VacuSmart 700 cordless vacuum cleaner. It fits the handheld motor assembly that drives suction across floors, carpets, and upholstery. Capacity matches the original spec at 28.8Wh.

• VacuSmart 700 fitment: The 14.4V rail and physical pack dimensions — 91.91 x 67.35 x 44.58mm — match the battery bay on this model. The connector orientation and BMS wiring align with the VacuSmart 700's charging circuit, so the dock communicates correctly with the replacement cell.
• Bench tested on actual hardware: We ran this pack through charge and discharge cycles on the VacuSmart 700 motor platform. The BMS held voltage within spec under sustained suction load, and the charger handshake completed without fault codes or interrupted charge cycles.
• Dock charging behaviour: Do not leave the VacuSmart 700 sitting on the charging dock permanently. Ni-MH cells in cordless vacuums on continuous dock charge develop capacity fade significantly faster than cells charged only when depleted. Charge to full, then remove it.

Suction dropping before the battery indicator reaches low

Ni-MH packs show a relatively flat voltage curve for most of their discharge, then drop sharply. On the VacuSmart 700, the motor draws harder when airflow is restricted — a partially blocked filter forces higher current, which pulls cell voltage down faster than the indicator anticipates. The result is noticeable suction loss while the indicator still reads mid-charge. Clean the filter first. If suction recovers, the battery is not the cause — the motor was simply working against restricted airflow.

Motor cutting out and recovering mid-clean

This is typically a BMS overcurrent trip, not a dead battery. When suction is blocked — blocked nozzle, clogged filter, or dense carpet pile restricting airflow — the motor stalls slightly and draws a current spike above the BMS threshold. The BMS cuts the circuit to protect the cells, then resets after a few seconds. Clear the obstruction and check the filter. If the motor then runs without cutting out, the pack is functioning correctly and the fault is airflow restriction, not battery failure.