Leadmax Low Temperature Battery Product Models & Specifications
Low Temperature Battery 48V 40Ah
Nominal voltage: 48V
Nominal capacity: 40Ah
Charging voltage: 54V
Charging current: 20A
Discharge current: 38A
Discharge cut-off voltage: 30V
Finished internal resistance: ≤180mΩ
Product size: (318×249×187) ±1mm
Battery weight: ≤26Kg
Charging temperature: -20℃ ~ 45℃
Discharge temperature: -40°C~+55 °C
Low Temperature Battery 48V 52Ah
Nominal voltage: 48V
Nominal capacity: 52Ah
Charging voltage: 54V
Charging current: 20A
Discharge current: 38A
Discharge cut-off voltage: 30V
Finished internal resistance: ≤180mΩ
Product size: (385×170×245)±1mm
Battery weight: ≤29Kg
Charging temperature: -20℃ ~ 45℃
Discharge temperature: -40°C~+55 °C
Low Temperature Battery 48V 50Ah
Nominal voltage: 51.2V
Nominal capacity: 50Ah
Charging voltage: 58.4V
Charging current: ≤25A
Discharge current: ≤30A
Discharge cut-off voltage: 35.2V
Battery weight: 33kg
Product size: 550*270*180mm
Charging temperature: -20℃ ~ +45℃
Discharge temperature: -40℃ ~ +55℃
Storage temperature: 25±3℃
Low Temperature LiFePO4 Battery Performance Parameters
-40℃ 3C Discharge Capacity≥70%
Custom Low Temperature Battery Solutions
Leadmax low temperature lithium batteries are engineered to deliver consistent performance even in freezing climates. With built-in heating technology and LiFePO4 chemistry, our batteries provide safe, efficient, and customizable energy solutions for demanding applications.
- Free Custom Design
- 24/7 Engineer Support Services
- Certification: Compliance with MSDS, UN38.3, CE, CB, IEC 62619, UL
Specific mechanical design
with a stainless steel structure and watertight connectors
Electrical engineering design
analysis of the safety requirements of the marine sector
Product certifications
specific to the marine sector, such as DNV (on request)
The Process Flow & Duration Estimation
Why Choose Leadmax Low Temperature Batteries?
Ultra-Wide Temperature Range: Operates from -40°C to +65°C
High Power Output: Strong discharge capability even in sub-zero conditions
Smart BMS Protection: Prevents overcharge, over-discharge, and overheating
Customizable Design: Voltage, capacity, and case material (steel, stainless steel, ABS) available
Long Cycle Life: 4000+ charge cycles, zero maintenance
From Design to Sale, Are Leadmax Battery Solutions SAFE?
ISO9001 is the most fundamental guarantee
Safety in the design phase: Leadmax Battery only uses grade A quality lithium battery cells, mostly designed for EV systems. The engineering team has more than 12 years of experience in the field of lithium-ion batteries. As part of the design phase, all safety points will be fully taken into consideration, such as strengthening the battery’s internal structure, choosing a better BMS, and determining the appropriate IP grade etc.
Safety in the delivery phase: All of Leadmax Battery’s solutions are compliant with UN38.3. These lithium batteries can be shipped worldwide. Moreover, Bonnen Battery can also provide global delivery services at a reasonable cost. Because we have cooperated with a lithium battery forwarder together.
How Can We Help Your Business?
Efficiently reviewing your needs to provide professional technical solutions! We listen, care, and guarantee a response through email or phone within 6 hours.
Standard products are produced within 15-20 days and shipped immediately via sea or air. Customized products are produced within 30-35 days. Sea shipping usually takes 28-35 days.
An extensive product line, fully traceable production processes, an average warranty of over 10 years, stable cell resources from CATL, BYD, Gotion, and EVE, and support for production process visualization.
They operate reliably from -40°C to +65°C.
Yes, selected models include built-in self-heating, and we also offer optional external heating solutions.
Absolutely. We provide OEM/ODM services for custom voltage, capacity, size, and communication protocols.
Up to 4000+ cycles with 80% DOD, even under extreme temperatures.
Yes. All batteries comply with UN38.3 and other export certifications.