DURATECH 20V 4.0Ah Li-ion Battery Pack- Only Cordless...

[Type of battery] Lithium-ion. Voltage: 20V. This battery pack contains 10 pieces 3.6V 18650-2000mAh Lithium-ion batteries.
[Compatible with DURATECH 20V tools] Well compatible with DURATECH 20V cordless power tools such as drill, impact driver, impact wrench. More tools soon, stay tuned.
[Power indicator] 4 indicator lights on the battery pack for recognizing battery charge status immediately.
[Much safer] Safe guard features against incorrect voltage, battery overload, short circuit, internal overheating. No memory effect, can be charged freely.
[Environment friendly] Innocuous to the environment. All 10 pieces lithium-ion batteries in the battery pack accord with certification requirements of CE/GS/EMC/PAHS/ROHS.