Electric Power Tool Battery Replaces Panasonic EY9L40 - 2000 mAh, 14.4 V, Li-ion | 800104678
Synergy Digital Power Tool Battery, Compatible with Panasonic EY9L40 Power Tool, (Li-ion, 14.4V, 2000mAh) Ultra High Capacity, Replacement for Panasonic Battery - Walmart.com