Intelligent battery type

2V300ah smart battery

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The physical parameters of 1, battery
Product parameters
Rated voltage 2V
Rated capacity 300Ah (10hr. cutoff voltage 1.80V)
Nominal weight 19.5kg
The volume ratio of energy 68.2Wh/L
The weight ratio of energy 30.8Wh/Kg
The internal resistance of the battery 0.52M.
Terminal type M10 threaded connection
The use of temperature The discharge temperature: -40 ℃ ~ 50 ℃
The charging temperature: -20 ℃ ~ 50 ℃
The storage temperature: -20 ℃ ~ 40 ℃
Optimum temperature 15 ℃ ~ 25 ℃
Charging voltage 2.30V ~ 2.35V/ cells (25 ℃)
The floating voltage 2.23V ~ 2.27V/ cells (25 ℃)
Storage self discharge It's been 1 months. 99%
It's been 3 months. 93%
It's been 6 months. 84%
The groove cover material Engineering plastics ABS
Design life 15 years
In Figure 2, the battery performance
Constant current discharge meter (A) (25 ℃)
Termination voltage 15min 30min 45min 1hr 3hr 5hr 10hr
1.60V 469 335 261 193 87.6 56.6 32.9
1.65V 463 329 252 192 86.3 55.8 32.6
1.70V 445 319 244 186 85.1 54.9 32.1
1.75V 416 297 231 179 82.7 54 31.5
1.80V 394 288 220 167 79 52.7 30.8
Constant power meter (W/block) (25 ℃)
Termination voltage 15min 30min 45min 1hr 3hr 5hr 10hr
1.60V 880 626 463 335 173 109 65.1
1.65V 865 614 456 332 172 109 64.5
1.70V 837 598 440 329 168 108 63.9
1.75V 784 573 422 310 163 107 62.5
1.80V 743 529 395 295 155 106 61.4
Discharge voltage and time curve                                 capacity curve under different temperature

Charging voltage and time graph         the residual capacity of storage time under different temperature and the relationship of music


3, electrical parameter measurement
Voltage error: ≤ 0.5%
Voltage ≤ 1.5V, enter the state of protection.
The temperature error: ≤ 0.5 ° C
Internal consistency: ≤ 2%,
A single internal resistance measurement of energy dissipation ≤ 5 Joule
The built-in physical switch
Status indicator
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