1. Different rate charge curves
2. Ni-Zn & Ni-MH Discharge Curves
3. Different Rate Discharge Curves
4. NiZn & NiMH Charge Curves
Melasta Nickel-Zinc (Ni-Zn) Battery Pack Specification MB1207Z,7Ah
Technical Specification
1. Electrical Characteristics
Nominal Voltage |
12 V |
Nominal Capacity |
7 Ah |
Energy |
48 Wh |
Internal Resistance |
≤100mΩ |
Cycle Life |
>500 cycles @0.2C 70%DOD |
Months Self Discharge |
<3% |
Efficiency of Charge |
100% @0.5C |
Efficiency of Discharge |
96~99% @1C |
2. Standard Charge
Charge Voltage |
15.2 V |
Charge Mode |
0.2C to 15.2 V, then 15.2 V, charge current to 0.02C5A (CC/CV) |
Charger Current |
7 A |
Max. Charge Current |
21 A |
Charge Cut-off Voltage |
15.2±0.03V |
3. Standard Discharge
Continuous Current |
280A |
Max. Discharge Current |
400A(<3s) |
Discharge Cut-off Voltage |
9.6V |
4. Environmental
Charge Temperature |
0℃ to 45℃ (32F to 113F) @60±25% Relative Humidity |
Discharge Temperature |
-20℃to 60℃ (-4F to 140F) @60±25% Relative Humidity |
Storage Temperature |
0℃ to 40℃ (32F to 104F) @60±25% Relative Humidity |
Water Dust Resistance |
IP65 |
5.Mechanical
Dimensions (mm.) |
151*85*95 mm |
Weight (g.) |
Approx: 2.1 KG |