NiMH to Li-ion Chainsaw Restoration | Black&Decker CCS818-JP (Older Model)

This product has been discontinued, I found this chainsaw from Japan recycle shop. I rebuilt a new lithium battery pack for replacing the original dead battery. Black & Decker 18-Volt Cordless Electric Chainsaw: - Weighs 6.2 lbs - 18-volts - 8“ bar and chain - Up to 150 1-1/2“ cuts on a single charge - 7“ cut capacity - On-board oiling with window to view oil level - Cordless electric chain saw model# CCS818 - No load power 38W Original Battery Pack - Voltage 18V - Capacity - Nimh battery (15 cells) - No BMS - Power 27WAh New Battery Pack - Voltage 18V - 21V - Capacity 6Ah - Lithium battery (10 cells) - 21V Battery Management Board (BMS) - Power 120WAh The new battery can run this chainsaw for about 3 hours Lithium-ion battery cell - Brand model: LG INR18650HG2 - Standard capacity: 2800- 3000mAh - Rated voltage: - Charging voltage: 4.2± - Maximum continuous discharge current: 20A - Discharge cut-off voltage: - Weight: - Size: ×65.2 mm - Charge and discharge time