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Products

Dong Cheng FFBL2040 / 4.0 AH Rechargeable Battery

Batteries, Batteries and Chargers

PRODUCT DETAILS

Specification	Details
Voltage	20V
Capacity	4.0Ah (4000 mAh)
Battery Type	Lithium-Ion (Li-Ion)
Compatibility	Fits Dong Cheng 20V Max cordless tools (slide-rail type)
Protection Features	Over-temperature, over-current, over-charge, over-discharge & overload protection
Charge Indicator	4-LED battery level indicator
Typical Weight	Approx. 0.6–0.65 kg
Charging Time	~65 mins (4A fast charger) / ~120 mins (2A charger)

FEATURES

High-capacity 4.0Ah Li-Ion battery for extended runtime;
Consistent fade-free power output under heavy load;
Durable casing with reinforced internal protection structure;
4-LED charge indicator for quick status checking;
Multiple built-in safety protections for reliable operation.

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