The BigBattery HUSKY 2 48V 100Ah is a battery pack with a continuous discharge of 150 A, a peak of 150 A, 5120W of output and an ingress rating of IP65.
Last updated: 21 September 2026
Battery and charging
- Charging voltage range
- 55.6V to 57V
- Maximum charge voltage
- 58.8V
- Communications bus
- CANBus / RS485 — for parallel communication, per this manual
- Rated charge cycles
- 4000-6000 cycles at 80% DOD, measured at 0.5C
- How the cells are arranged
- 16S
- Charging voltage
- 57V bulk, absorb and charge
- Highest charge current it will take
- 100A, exactly 1C
- Maximum continuous discharge
- 150A continuous, 225A peak
- Continuous output power
- 5120W
- Peak discharge
- 150A for 5 seconds
“Charging Voltage Range 55.6V - 57V Max Charge Voltage 58.8V Operating Voltage Range 48V - 57V Suggested Low Voltage Cutoff 48V - 50.8V BMS Cutoff Range 42V - 47V Cell Configuration 16S”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“Charging Voltage Range 55.6V - 57V Max Charge Voltage 58.8V Operating Voltage Range 48V - 57V Suggested Low Voltage Cutoff 48V - 50.8V BMS Cutoff Range 42V - 47V Cell Configuration 16S”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“Max Connections Up to (16) Parallel Protection Rating IP65 Communications CANBus / RS485 Heating Function Yes”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“the HUSKY 2 has a lifespan of over 10 years and is engineered to withstand more than 4000 - 6000 cycles at 80% Depth of Discharge (DOD) at a rate of 0.5C.”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“Charging Voltage Range 55.6V - 57V Max Charge Voltage 58.8V Operating Voltage Range 48V - 57V Suggested Low Voltage Cutoff 48V - 50.8V BMS Cutoff Range 42V - 47V Cell Configuration 16S”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“Charge Voltage 14.25V 28.5V 57V Bulk Voltage 14.25V 28.5V 57V Absorption Voltage 14.25V 28.5V 57V Absorption Time 0 minutes 0 minutes 0 minutes Float Voltage 13.75V 27.5V 55V Equalize Off Off Off”
Source: bigbattery.com/wp-content/uploads/2024/10/HUSKY2-SpecSheet-1.5.pdf
“Cell Configuration 16S Max Cont. Discharge Current 100A Max Continuous Power 5120W Max Discharge Peak Current 150A (Max 5 sec.) Max Charge Current 100A”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“Max Cont. Discharge Current 300A 200A 150A Max Continuous Power 5120W 5120W 7500W Max Discharge Peak Current 350A (Max 5 seconds) 300A (Max 5 seconds) 225A (Max 5 seconds) Max Charge Current 200A 150A 100A”
Source: bigbattery.com/wp-content/uploads/2024/10/HUSKY2-SpecSheet-1.5.pdf
“Cell Configuration 16S Max Cont. Discharge Current 100A Max Continuous Power 5120W Max Discharge Peak Current 150A (Max 5 sec.) Max Charge Current 100A”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“Cell Configuration 16S Max Cont. Discharge Current 100A Max Continuous Power 5120W Max Discharge Peak Current 150A (Max 5 sec.) Max Charge Current 100A”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
Battery care and safety
- Where its BMS cuts off
- 42V to 47V
- Ingress protection
- IP65
- Temperatures it may be charged in
- -20°C to 45°C
- Temperatures it may be run in
- -20°C to 50°C
- Temperatures it may be stored in
- -20°C to 50°C for up to 6 months, above 50% charge
“Charging Voltage Range 55.6V - 57V Max Charge Voltage 58.8V Operating Voltage Range 48V - 57V Suggested Low Voltage Cutoff 48V - 50.8V BMS Cutoff Range 42V - 47V Cell Configuration 16S”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“Max Connections Up to (16) Parallel Protection Rating IP65 Communications CANBus / RS485 Heating Function Yes”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“Charge Temperature Range -4ºF - 113ºF (-20ºC - 45ºC) Discharge Temperature Range -4ºF - 122ºF (-20ºC - 50ºC) Optimal Discharge Temp. Range 59ºF - 95ºF (15ºC - 35ºC) Storage Temp. Range (SOC >50%) -4ºF - 122ºF (-20ºC - 50ºC) (Max 6 months)”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“Charge Temperature Range -4ºF - 113ºF (-20ºC - 45ºC) Discharge Temperature Range -4ºF - 122ºF (-20ºC - 50ºC) Optimal Discharge Temp. Range 59ºF - 95ºF (15ºC - 35ºC) Storage Temp. Range (SOC >50%) -4ºF - 122ºF (-20ºC - 50ºC) (Max 6 months)”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“Charge Temperature Range -4ºF - 113ºF (-20ºC - 45ºC) Discharge Temperature Range -4ºF - 122ºF (-20ºC - 50ºC) Optimal Discharge Temp. Range 59ºF - 95ºF (15ºC - 35ºC) Storage Temp. Range (SOC >50%) -4ºF - 122ºF (-20ºC - 50ºC) (Max 6 months)”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
Other findings
- Communication port pinout
- Pins 1-2 CAN, 7-8 RS485, plus GND, LIN, WAKE and 12V
- Maximum parallel units
- Up to 16 in parallel, never in series
- Self heating behaviour
- Heats to above 0°C first, then charges
- Storage maintenance charge
- 56V at 30A CC/CV, stopping at 5A; every 9, 6 or 3 months
- Storage state of charge
- At least 50%, and a full pack taken down to 80% first
“Pin Details Pin Details 1 CAN-H 5 WARK 2 CAN-L 6 12V 3 GND 7 RS485 A+ (T/R+) 4 LIN 8 RS485 B- (T/R-)”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“Max Connections Up to (16) Parallel Protection Rating IP65 Communications CANBus / RS485 Heating Function Yes”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“The battery can be charged in freezing temperatures (-20°C / -4°F) thanks to an automatic self-heating function. When charging is detected, heating will start until the battery temperature is above 0°C (32°F) and then charging will start.”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“≤20ºC Once / 9 months 56V 30A CC/CV Charging to 56V Cut-Off Current: 5A 48V HUSKY 2 20ºC ~ 30ºC Once / 6 months 30ºC ~ 40ºC Once / 3 months”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
“charge them to at least 50% SoC. Do not store batteries that are fully discharged. In the case of a fully charged battery, it should be discharged to 80% SoC before it is stored.”
Source: bigbattery.com/wp-content/uploads/2024/09/48VHUSKY2Manual-halfUSL-V3-digital.pdf
United States — CPSC
We did not match this product to any recall in the data we hold from CPSC, last checked September 23, 2026. Check CPSC’s own search: cpsc.gov/Recalls
United States — NHTSA & Coast Guard
We did not match this product to any recall in the data we hold from NHTSA or the US Coast Guard, which we hold records from but do not yet check on a schedule. Check NHTSA’s own search: nhtsa.gov/recalls
European Union
We did not match this product to any recall in the data we hold from the European Union, last checked September 23, 2026. Check the European Union’s own search: ec.europa.eu/safety-gate-alerts/screen/search
United Kingdom
We did not match this product to any recall in the data we hold from the United Kingdom, last checked September 23, 2026. Check the United Kingdom’s own search: gov.uk/product-safety-alerts-reports-recalls
Australia
We did not match this product to any recall in the data we hold from Australia, last checked September 14, 2026. Check Australia’s own search: productsafety.gov.au/recalls
Canada
We did not match this product to any recall in the data we hold from Canada, last checked September 23, 2026. Check Canada’s own search: recalls-rappels.canada.ca/en/search
France
We did not match this product to any recall in the data we hold from France, last checked September 23, 2026. Check France’s own search: rappel.conso.gouv.fr
New Zealand
We did not match this product to any recall in the data we hold from New Zealand, last checked September 23, 2026. Check New Zealand’s own search: productsafety.govt.nz/recalls
Singapore
We did not match this product to any recall in the data we hold from Singapore, last checked September 23, 2026. Check Singapore’s own search: consumerproductsafety.gov.sg/consumers/safety-alerts-and-recalls
South Africa
We did not match this product to any recall in the data we hold from South Africa, last checked September 23, 2026. Check South Africa’s own search: thencc.org.za/product-recalls
Ireland
We did not match this product to any recall in the data we hold from Ireland, last checked September 23, 2026. Check Ireland’s own search: ccpc.ie/consumer-advice/product-safety/product-safety-notifications
South Korea
We did not match this product to any recall in the data we hold from South Korea, last checked September 23, 2026. Check South Korea’s own search: safetykorea.kr/recall/recallBoard
Norway
We did not match this product to any recall in the data we hold from Norway, last checked September 23, 2026. Check Norway’s own search: farligeprodukter.no/search
Netherlands
We did not match this product to any recall in the data we hold from the Netherlands, last checked September 23, 2026. Check the Netherlands’ own search: nvwa.nl/actueel/veiligheidswaarschuwingen/overzicht
Sweden
We did not match this product to any recall in the data we hold from Sweden, last checked September 23, 2026. Check Sweden’s own search: konsumentverket.se/artikellista/aterkallelser-och-varningar-for-sakerhetsbrister
Japan
We did not match this product to any recall in the data we hold from Japan, last checked September 23, 2026. Check Japan’s own search: recall.caa.go.jp
None of these is a statement that the product is safe or unrecalled — only that our searches found nothing. Each regulator’s own search is linked above.
Platforms — none listed
No sourced compatibility evidence is on file for this battery yet.