Battery & Charging Instruction - Heartway Medical Products S26 User Manual

BATTERY & CHARGING INSTRUCTION
Items
2.1 Rated capacity
2.2 Typical capacity
2.3 Nominal Voltage
2.4 Charge Max Voltage
2.5 Charge current
2.6 Operation Temperature
2.7 Storing Conditions
2.8 Discharge voltage protection
2.9 Charge over-voltage
protection
Specifications
21Ah
23.2Ah
25.2V
29.4V
<6A
0 °C ~ +45°C
-20°C~+60°C (Recommended)
-20°C~+50°C
-20°C~+40°C
-20°C~+20°C
≤ 19.6V for 3sec
Release ≥ 24.5V
≥ 29.75V for 3sec
Release ≥ 29.05V
Remarks
4.4A discharge at 20°C 2.8V/cell cut off, Rated charge
4.4A discharge at 25°C 2.8V/cell cut off, Rated charge
3.6V/cell
4.2V/cell
Charge current ≥ 6A for 4sec ± 0.26 sec,CFET OFF.
Release time ≥10sec ± 0.25 sec,CFET ON.
Charge
Low Temperature range ( 0~ 10°C):
Maximum charge current <=2.5A
Discharge
Less than 1 month
Less than 3 month
Less than 1 year
Vcell_min≤ 2.8V for 3sec,
DFET OFF
Release:
Vcell_min ≥ 3.5V CFET ON
Vcell_min≤ 4.25V for 3sec,
DFET OFF
Release:
Vcell_min ≥ 4.15V CFET ON
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