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The Ultimate Versatile Power Solution for Your Adventures
Meet the Swiss Army Knife of deep-cycle batteries. Our Group 24 LiFePO4 battery is the ideal blend of compact size and reliable power, making it the perfect upgrade for a wide array of 12V applications. It seamlessly replaces your old lead-acid battery, delivering more usable energy, zero maintenance, and a dramatic reduction in weight.
Benefits of Haicen Group24 Batteries:
The Ultimate Compatibility Champion:
As the most common group size, it's virtually guaranteed to fit your existing RV, boat, or solar setup, making your first lithium upgrade effortless and risk-free.
Experience the Lithium Difference Instantly:
Feel the dramatic weight savings and enjoy the peace of mind that comes with deep-cycle capability, all without any modification or complex installation.
Exceptional Value:
Get all the fundamental advantages of lithium technology at the most accessible price point, providing the best return on investment for new users.
Proven Reliability for Mainstream Use:
Engineered to reliably power common 12V systems like RV lighting, water pumps, marine electronics, and small solar setups.
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 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 24 Battery Dimensions:
Internal Structure:
Characteristics Curve:
Ideal For: First-time lithium buyers, owners of mid-size boats (for electronics and trolling motors), Class B/C RVs, and anyone with a standard battery compartment looking for a straightforward, no-surprises upgrade.
Customized items
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.
Start Your Upgrade Journey Here. Confirm your current group size and discover the easiest way to experience lithium power.
| TECH & SPECS | Model | ||||||
| HCG24-12100 | HCG24-12120 | HCG24-12135 | HCG24-2450 | HCG24-2465 | HCG24-4830 | ||
| Electrical Specifications | Nominal Voltage | 12.8V | 12.8V | 12.8V | 24V | 24V | 48V |
| Nominal Capacity | 100Ah | 120Ah | 135Ah | 50Ah | 65Ah | 30Ah | |
| Parallel Connection | Max. 6units | Max. 6units | Max. 6units | Max. 6units | Max. 6units | Max. 6units | |
| Serial Connection | Max. 4units | Max. 4units | Max. 4units | Max. 2units | Max. 2units | No | |
| BMS | 4S100A | 4S150A | 4S150A | 8S50A | 8S60A | 16S50A | |
| Circuit Protection | Over charge, Over discharge, Over current, Over temp, Short, Balance | ||||||
| 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 | 28.8±0.4V | 28.8±0.4V | 57.6±0.8V |
| Standard Current | 20A | 24A | 27A | 10A | 13A | 6A | |
| Fast Current | 50A | 60A | 67A | 25A | 32A | 15A | |
| Discharge Specifications | Standard Current | 20A | 24A | 27A | 10A | 13A | 6A |
| Max. Con. Current | 100A | 120A | 135A | 50A | 60A | 30A | |
| Peak Current | 500A(300ms) | 600A(300ms) | 600A(300ms) | 200A(300ms) | 200A(300ms) | 200A(300ms) | |
| Cut-off Voltage | 10V | 10V | 10V | 20V | 30V | 40V | |
| Mechanical Specifications | Dimensions (mm) | 260x170x208mm(Group 24) | |||||
| Approx Weight(KG] | 11.5 | 13 | 13 | 12 | 12 | 11.5 | |
| 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℉to131℉) | |||||
| Discharge Temp | -20℃ to 60℃ (-4℉ to 140℉) | ||||||
| Storage Temp | -5℃ to 45℃ (23℉ to 113℉) | ||||||
A deep cycle battery is designed to provide sustained power over extended periods and can be discharged up to 80% of its capacity repeatedly without damage. Unlike automotive starter batteries (which deliver short, high-current bursts for engine ignition), deep cycle batteries prioritize deep discharges and recharges. They feature thicker plates and denser active material to withstand cycling stress, making them ideal for renewable energy, marine, RV, and industrial applications.
Recharge immediately after use to avoid prolonged states of partial or full discharge. Do not regularly discharge below 50% Depth of Discharge (DoD) for lead-acid types or 80% for LiFePO4 batteries. For optimal longevity, recharge when the battery reaches 50% capacity (lead-acid) or 20% (LiFePO4). Avoid storing the battery in a discharged state, as sulfation (lead-acid) or cell degradation (lithium) can occur.
While possible in emergencies, it is not recommended. Deep cycle batteries require chargers with tailored voltage/amperage profiles (e.g., bulk/absorption/float phases for lead-acid; CC/CV for lithium). Using an incompatible charger may cause undercharging, overcharging, or reduced lifespan. Always use a charger specifically designed for your battery’s chemistry (e.g., lead-acid, AGM, gel, or LiFePO4).
