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Battery-Box Premium HVM 22.1 vs Tower T21 5 of 9 identical Swap Change batteries

BYD Battery-Box Premium HVM 22.1 vs Dyness Tower T21

Battery-Box Premium HVM 22.1
22.08 kWh 96.0 % round-trip LFP HV
Open battery page Datasheet PDF
VS
Tower T21
21.31 kWh HV
Open battery page Datasheet PDF
The verdict

4 differences, none of them an advantage

The largest is usable energy: 0.77 kWh apart. 5 of 9 comparable parameters are identical, with 24 more left out because at least one datasheet does not publish them.

See all 4 differences
How alike are they
5 of 9 comparable
parameters are identical
identical differs not published
01

What actually differs

4 of 9 parameters
Parameter Battery-Box Premium HVM 22.1 Tower T21 Difference
Usable energy 22.08 kWh 21.31 kWh 0.77 kWh apart
Nominal voltage 410 V 576 V 166 V apart
Ingress protection IP55 IP54 IP55 vs IP54
Dimensions 2160x585x298 mm 1500x504x380 mm 2160x585x298 mm vs 1500x504x380 mm
02

Price offers

1 shop we track
Shop Battery-Box Premium HVM 22.1 Tower T21 At this shop
www.solar-outlet.nl Netherlands 8 177.95 € incl. VAT - Only Battery-Box Premium HVM 22.1

All 1 offer for Battery-Box Premium HVM 22.1

Shop prices by brand: See 121 BYD offers · See 20 Dyness offers

03

Full specification

Parameter Battery-Box Premium HVM 22.1 Tower T21 Difference
Capacity
Usable energy 22.08 kWh 21.31 kWh 0.77 kWh apart
Nominal energy - 21.31 kWh Not published by BYD
Depth of discharge - 100 % Not published by BYD
Max system capacity 66.2 kWh - Not published by Dyness
Modules per stack - 2-6 Not published by BYD
Power
Continuous discharge power - 12.78 kW Not published by BYD
Continuous charge power - 12.78 kW Not published by BYD
Peak discharge power - - Neither datasheet publishes this
Power per kWh - 0.60 kW/kWh Not published by BYD
Efficiency and lifetime
Round-trip efficiency 96.0 % - Not published by Dyness
Cycle life - 6000 cycles Not published by BYD
Cycle test depth - - Neither datasheet publishes this
Capacity at end of life - - Neither datasheet publishes this
Self-discharge - - Neither datasheet publishes this
Electrical
Voltage class High voltage High voltage Same
Nominal voltage 410 V 576 V 166 V apart
Operating voltage 320-472 V - Not published by Dyness
Cell chemistry LFP - Not published by Dyness
Active cell balancing - - Neither datasheet publishes this
Thermal management - - Neither datasheet publishes this
Built-in inverter
Inverter None (battery only) None (battery only) Same
Inverter power - - Neither datasheet publishes this
Grid connection - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight - 269.0 kg Not published by BYD
Weight per kWh - 12.6 kg/kWh Not published by BYD
Dimensions 2160x585x298 mm 1500x504x380 mm 2160x585x298 mm vs 1500x504x380 mm
Ingress protection IP55 IP54 IP55 vs IP54
Outdoor-rated - - Neither datasheet publishes this
Min operating temperature -10 °C -10 °C Same
Max operating temperature 50 °C 50 °C Same
Warranty
Warranty 10 yrs 10 yrs Same
Warranted throughput - - Neither datasheet publishes this
04

More useful comparisons

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BYD Battery-Box Premium HVM 22.1 vs Deye GB-L24
7 differences, the largest is max system capacity
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BYD Battery-Box Premium HVM 22.1 vs Deye GB-SL-EU (6 modules in series)
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BYD Battery-Box Premium HVM 22.1 vs Deye GB-L (6 modules in series)
7 differences, the largest is max system capacity
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Dyness Tower T21 vs Dyness Tower Pro TP23
14 differences, the largest is usable energy
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Dyness Tower T21 vs Huawei LUNA2000-21-S1
12 differences, the largest is usable energy
05

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.