It includes a non-removable, rechargeable 3.7 V, 1000 mAh lithium-ion battery, which can be charged while the system is in rest mode.
It includes a non-removable, rechargeable 3.7 V-ion battery. A non-removable, rechargeable 3.7 V is 1000 mAh lithium. Ion battery can be charged. The system is in rest mode.