About this replacement
Dyson DC-16 / DC16 Animal — 22.2V Li-ion Replacement Battery (BP-01)
This 22.2V 1400mAh Li-ion battery replaces the original BP-01 pack in the Dyson DC-16 cordless handheld vacuum. It fits the DC-16, DC16 Animal, DC16 Root 6, and D12 Cordless Vacuum variants. Voltage and cell count match the original specification exactly.
- DC-16 variant compatibility: The DC-16 Animal, Root 6, and D12 share the same 22.2V six-cell architecture and BP-01 connector. All variants draw through the same BMS handshake, so one pack covers the full range without modification.
- Bench tested on actual hardware: We ran this pack under sustained motor load across multiple cycles. The BMS held the cutoff threshold at the correct undervoltage point and did not trip on normal motor start draw.
- Dock charging behaviour on the DC-16: Do not leave the DC-16 sitting on the wall dock permanently. Continuous trickle charging accelerates cell degradation on this pack faster than charge-and-remove cycles. Charge to full, then pull the vacuum from the dock.
Suction dropping before the battery indicator reaches low
The DC-16 motor draws significantly more current when the filter is partially blocked. That elevated draw causes voltage to sag under load even when the pack still reads above the low-battery threshold. The motor slows, suction falls, but the LED indicator shows charge remaining. Clean or replace the filter first — if suction restores immediately, the pack is fine. If sag continues on a clean filter, the pack's internal resistance has risen and replacement is needed.
Motor cuts out mid-use then recovers after a short pause
This is a BMS overcurrent trip, not a dead battery. It happens when sustained restricted airflow forces the motor to pull above the pack's rated discharge current. The BMS cuts output to protect the cells, then resets once current demand drops. Check the filter and cyclone inlet for blockages before assuming the battery is the cause. If the motor cuts out on a clear filter, verify the pack resting voltage sits at or above 22.2V before charging.