Intelligent Power for Demanding Adventures
Our premium Smart Series Group 27 battery combines robust performance with cutting-edge technology. Featuring integrated Bluetooth monitoring and low-temperature heating, it delivers unparalleled insight and reliability for your power system. The ultimate smart upgrade for users who need total control and all-weather performance in a versatile Group 27 size.
Benefits of Haicen Smart Group27 Batteries:
Bluetooth Smart Monitoring: Pair with our app to view real-time data on state of charge, voltage, history, and track battery health from your smartphone. Gain complete peace of mind on your journeys.
Built-In Low-Temperature Heating: Charges safely down to -20°C (-4°F). The integrated heating pad ensures reliable performance in freezing conditions, enabling year-round adventures in any climate.
High-Performance Output: Delivers strong and consistent power, perfectly suited for the energy demands of mid-size RVs, fishing boats, and off-grid systems.
Advanced Battery Management System: Offers superior cell balancing and detailed diagnostics for maximum performance and an extended lifespan of 10+ years.
All-Weather Reliability: Engineered to perform reliably in both extreme heat and cold, making it the most versatile and dependable Group 27 battery available.
The LiFePO4 batteries VS Lead-acid batteries:
| Haicen LiFePO4 batteries | VS | Old technology -Lead-acid batteries |
Stable discharge condition | Low temperature condition | Unstable discharge condition |
3,500 times | Cycle life | ＜500 times |
Around 10 years | Design life | 3 years |
As little as 3.5 hours | Charging time | Up to 8 hours |
No memory, opportunity charge | Charge frequency | Must charge after use |
Multiple built-in protections, high thermal and chemical stability | Safety | Gas inside may cause explosion |
85% or more nominal capacity achieved at high working load | Available capacity | Only 30%~50% nominal capacity achieved under high working load |
| Maintenance-free | Maintenance | Regular water-adding and inspection required |
| Pollution-free | Eco-friendly | Lead is a toxic substance, may cause human lead poisoning |
| Extremely low | Energy loss | 15% |
Key Points for Haicen Battery Quality Control:
Cell match: More strict cell matching standard, the difference of lnternal resistance is 1mΩ and voltage is 5mV.
Automatic cells welding: Cells are assembled by Automatic welding equipments to ensure the quality reliability and consistency.
100% Cycle test: All battery packs are 100% cycle tested (Fully Discharged→Fully Charged→Fully Discharged→60% Charged) before package and all test reports are stored.
Unique tracking number: All battery packs are lasered an unique number on the case side for quality tracking.
Certifications:
| UL1642(Cell) | IEC62619 (Cell) | UN38.3(Cell/ Pack) |
| IEC62133(Cell) | ROHS(Cell) | CE(Pack) |
Group 27S Battery Dimensions:
Internal Structure:
SOC Display (optional):
Characteristics Curve:
Idea For:
● Four-Season RVing for Mid-Size Campers
● Fishing Boats and Coastal Cruising
● Off-Grid Solar Systems (All Climates)
● Professional Trolling Motors
● Any Application Requiring Remote Monitoring and Cold-Weather Operation
Customized items:
Bluetooth App design: Help you to design and upload customized App, or supply you our Source code for your design.
Case color: Customized case color is acceptable based on quantity more than 300pcs per batch.
Label design: We can help you to design customized label on the battery.
Carton design: Customized carton is acceptable based on quantity more than 200pcs per batch.
Certificates: 50% discount on certificates cost for first bulk order and 100% reback for future orders.
NDA agreement: NDA agreement is allowed and necessary to protect your benefits.
Ready to Upgrade Your Power?
[➔ Download the Full Specification Sheet (PDF)]
[⮟ Contact Our Experts for a Quote]
| TECH & SPECS | Model | ||||||
| HCG27S-12120BT | HCG27S-12120BH | HCG27S-12138BT | HCG27S-12138BH | HCG27S-12150BT | HCG27S-12150BH | ||
| Electrical Specifications | Nominal Voltage | 12.8V | 12.8V | 12.8V | 12.8V | 12.8V | 12.8V |
| Nominal Capacity | 120Ah | 120Ah | 138Ah | 138Ah | 150Ah | 150Ah | |
| Parallel Connection | Max. 6units | Max. 6units | Max. 6units | Max. 6units | Max. 6units | Max. 6units | |
| Serial Connection | Max. 4units | Max. 4units | Max. 4units | Max. 4units | Max. 4units | Max. 4units | |
| BMS | 4S150A | 4S150A | 4S150A | 4S150A | 4S150A | 4S150A | |
| Bluetooth | Android/IOS | Android/IOS | Android/IOS | Android/IOS | Android/IOS | Android/IOS | |
| Heat | No | Yes | No | Yes | No | Yes | |
| Circuit Protection | Over charge, Over discharge, Over current, Over temp, Short, Balance, Low temp | ||||||
| Cycle Life | 3000times Cycles @100%DOD and 6000times @80% DOD | ||||||
| Self Discharge | Less than 3% per month | ||||||
| Charge Efficiency | 100%@0.2C | ||||||
| Discharge Efficiency | 98-100%@1C | ||||||
| Charge Specifications | Charge Voltage | 14.4±0.2V | 14.4±0.2V | 14.4±0.2V | 14.4±0.2V | 14.4±0.2V | 14.4±0.2V |
| Standard Current | 24A | 24A | 27A | 27A | 30A | 30A | |
| Fast Current | 60A | 60A | 69A | 69A | 75A | 75A | |
| Discharge Specifications | Standard Current | 24A | 24A | 27A | 27A | 30A | 30A |
| Max. Con. Current | 120A | 120A | 138A | 138A | 150A | 150A | |
| Peak Current | 800A(300ms) | 800A(300ms) | 800A(300ms) | 800A(300ms) | 800A(300ms) | 800A(300ms) | |
| Cut-off Voltage | 10V | 10V | 10V | 10V | 10V | 10V | |
| Mechanical Specifications | Dimensions (mm) | 305x169x210mm(Group 27) | |||||
| Approx Weight(KG] | 13.5 | 14 | 14 | 14.5 | 14 | 14.5 | |
| Terminal Type | M8 | ||||||
| Case Color/material | Black Plastic case(ABS) | ||||||
| IP Rating | IP65 | ||||||
| Cell Type | Cylinder LiFePO4 cell | ||||||
| Cell holder | Yes | ||||||
| Temperature Specifications | Charge Temp | 0℃ to 55℃ (32℉ to 131℉) | -20℃ to 55℃ (-4℉ to 131℉) | 0℃ to 55℃ (32℉ to 131℉) | -20℃ to 55℃ (-4℉ to 131℉) | 0℃ to 55℃ (32℉ to 131℉) | -20℃ to 55℃ (-4℉ to 131℉) |
| Discharge Temp | -20℃ to 60℃ (-4℉ to 140℉) | ||||||
| Storage Temp | -5℃ to 45℃ (23℉ to 113℉) | ||||||
