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EM3ev King Shark 1304

The EM3ev King Shark 1304 is a battery pack with a capacity of 19.6Ah, 917Wh of energy, a weight of approx. 4.6 kg and an ingress rating of IP65 dust & water resistance.

Last updated: 10 November 2026

Battery and charging

Cells
Samsung 21700-50GB

“Cell Type Samsung 21700-50GB (NMC)”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Row from the maker’s page: “Cell Type” | “Samsung 21700-50GB (NMC)”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Energy
917Wh

Row from the maker’s page: “Energy” | “917Wh”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Rated capacity
19.6Ah

Row from the maker’s page: “Capacity” | “19.6Ah”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Maximum discharge current
40A

Row from the maker’s page: “Continuous Discharge” | “40A”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Charging time, stated for the machine
~5 h @4A • ~4 h @ 5A • ~3.4 h @ 6A

Row from the maker’s page: “Typical Charging Time” | “~5 h @4A • ~4 h @ 5A • ~3.4 h @ 6A”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Rated charge cycles
500+ cycles (≥80% remaining capacity)

Row from the maker’s page: “Cycle Life” | “500+ cycles (≥80% remaining capacity)”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Mounting rail
Reention King Shark downtube rail

Row from the maker’s page: “Mount” | “Reention King Shark downtube rail”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Cell arrangement
13S4P – Samsung 21700-50GB

Row from the maker’s page: “Pack Configuration” | “13S4P – Samsung 21700-50GB”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Treated as empty at
35.1V

Row from the maker’s page: “Discharge Cut-Off” | “35.1V”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

BMS
1103A-FPS smart BMS, temp protected, optional Bluetooth

Row from the maker’s page: “BMS” | “1103A-FPS smart BMS, temp protected, optional Bluetooth”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Battery care and safety

Storage temperature
0 °C to +45 °C (cool, dry environment recommended)

Row from the maker’s page: “Storage Temperature” | “0 °C to +45 °C (cool, dry environment recommended)”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Temperatures to charge the battery in
0 °C to +45 °C

Row from the maker’s page: “Charging Temperature” | “0 °C to +45 °C”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Ingress protection
IP65 dust & water resistance

Row from the maker’s page: “Protection” | “IP65 dust & water resistance”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Size and fit

Operating temperature range
-10 °C to +45 °C

Row from the maker’s page: “Operating Temperature (Discharge)” | “-10 °C to +45 °C”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Weight
approx. 4.6 kg

Row from the maker’s page: “Weight” | “approx. 4.6 kg”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Identity

Model name as declared
King Shark 1304

Row from the maker’s page: “Model” | “King Shark 1304”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Item code, from the manufacturer's product data
BUNDLE_KING-13S4P-1

Row from the maker’s page: “SKU” | “BUNDLE_KING-13S4P-1”

Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

Sources

  • 48V 20Ah Samsung 50GB Battery | 960Wh King Shark | EM3evArchived document

    Source: em3ev.com/shop/em3ev-king-shark-1304-48v-20ah-ebike-battery

    Retrieved October 18, 2026