Black+Decker DVJ325J Replacement Battery 11.1V 2500mAh

Black+Decker DVJ325J / HLVA315J Series — 11.1V Li-ion Replacement Battery (D000201)

This is an 11.1V, 2500mAh Li-ion replacement battery for the Black+Decker DVJ325J, HLVA315J22, HLVA315J62, and HLVA320JOO handheld cordless vacuums. It replaces OEM part numbers D000201, N544205, and NA028458. Capacity figures are taken directly from product data — 27.75Wh total energy.

• DVJ325J and HLVA315J platform compatibility: These models share the same 11.1V three-cell pack configuration, battery connector pinout, and BMS handshake protocol. Swapping between them uses the same cell count and discharge curve, so the replacement cell communicates correctly with the charger on all listed variants.
• Bench tested on actual hardware: We ran this pack through charge and discharge cycles on a DVJ325J unit. The BMS correctly reported cell status to the charger, accepted a full charge without fault codes, and delivered consistent voltage under motor load across repeated test cycles.
• Dock charging habit for this vacuum: Do not leave the DVJ325J sitting on the charging dock permanently. Cordless vacuums on continuous dock charge develop capacity fade significantly faster than those charged only when depleted. Charge to full, then remove from the dock.

Cordless vacuum losing suction before the battery indicator reaches low

The DVJ325J motor draws more current when airflow is restricted — a partially blocked filter forces the motor to work harder, which increases current draw and causes the battery voltage to sag under load. The BMS reads that sag as a low-cell-voltage condition and backs off power delivery before the indicator LED registers low. The fix is almost always the filter: clean or replace it, and the motor returns to rated draw. After cleaning, verify the pack is charged above 11.1V resting voltage before the next use.

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

This is a BMS overcurrent trip, not a dead battery. When sustained suction restriction — a blockage, a clogged filter, or a sealed nozzle — forces the motor to pull current above the BMS threshold, the pack shuts output to protect the cells. After a short thermal recovery window, the BMS resets and the motor starts again. Remove the obstruction or clean the filter before restarting. If the motor continues to trip with a clean filter, measure resting pack voltage: a healthy 11.1V three-cell pack should read between 11.4V and 12.6V fully charged.