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Tower T14 vs BOS-G15 4 of 15 identical Swap Change batteries

Dyness Tower T14 vs Deye BOS-G15

Tower T14
14.21 kWh HV
Open battery page Datasheet PDF
VS
Deye BOS-G15
BOS-G15
13.82 kWh LFP HV
Open battery page Datasheet PDF
The verdict

Tower T14 leads on the differences that matter

The largest is usable energy: 0.39 kWh apart. 4 of 15 comparable parameters are identical, with 18 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
4 of 15 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 15 parameters
Parameter Tower T14 BOS-G15 Difference
Usable energy 14.21 kWh 13.82 kWh 0.39 kWh apart
Nominal energy 14.21 kWh 15.36 kWh 1.15 kWh apart
Depth of discharge 100 % 90 % 10 pp more of the cells usable
Nominal voltage 384 V 154 V 230 V apart
Weight 187.0 kg 420.0 kg 233.0 kg lighter
Weight per kWh 13.2 kg/kWh 30.4 kg/kWh 17.2 kg/kWh lighter
Min operating temperature -10 °C -20 °C 10 °C more cold tolerant
Max operating temperature 50 °C 55 °C 5 °C more heat tolerant
Ingress protection IP54 IP20 IP54 vs IP20
Modules per stack 2-6 3-12 2-6 vs 3-12
Dimensions 1100x504x380 mm 1629x530x602 mm 1100x504x380 mm vs 1629x530x602 mm

Shop prices by brand: See 20 Dyness offers · See 44 Deye offers

02

Full specification

Parameter Tower T14 BOS-G15 Difference
Capacity
Usable energy 14.21 kWh 13.82 kWh 0.39 kWh apart
Nominal energy 14.21 kWh 15.36 kWh 1.15 kWh apart
Depth of discharge 100 % 90 % +10 pp for Tower T14
Max system capacity - 61.4 kWh Not published by Dyness
Modules per stack 2-6 3-12 2-6 vs 3-12
Power
Continuous discharge power 8.52 kW - Not published by Deye
Continuous charge power 8.52 kW - Not published by Deye
Peak discharge power - - Neither datasheet publishes this
Power per kWh 0.60 kW/kWh - Not published by Deye
Efficiency and lifetime
Round-trip efficiency - - Neither datasheet publishes this
Cycle life 6000 cycles 6000 cycles Same
Cycle test depth - 90 % Not published by Dyness
Capacity at end of life - 70 % Not published by Dyness
Self-discharge - - Neither datasheet publishes this
Electrical
Voltage class High voltage High voltage Same
Nominal voltage 384 V 154 V 230 V apart
Operating voltage - 124.8-175.2 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 187.0 kg 420.0 kg -233.0 kg for Tower T14
Weight per kWh 13.2 kg/kWh 30.4 kg/kWh -17.2 kg/kWh for Tower T14
Dimensions 1100x504x380 mm 1629x530x602 mm 1100x504x380 mm vs 1629x530x602 mm
Ingress protection IP54 IP20 IP54 vs IP20
Outdoor-rated - - Neither datasheet publishes this
Min operating temperature -10 °C -20 °C -10 °C for BOS-G15
Max operating temperature 50 °C 55 °C +5 °C for BOS-G15
Warranty
Warranty 10 yrs 10 yrs Same
Warranted throughput - - Neither datasheet publishes this
03

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04

Written summary

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