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