The OID9388189-30000mAh-3.7V-5C-0112 is a high-capacity rechargeable lithium-ion polymer battery cell manufactured by Shenzhen Jianheng Technology Co Ltd (Jianheng), branded as OID. Featuring an aluminum plastic film shell, this 30Ah cell is engineered for high-capacity, high-rate applications including drones, power tools, energy storage systems and electric mobility devices. It delivers a minimum capacity of 30.0Ah at 0.2C within 4.25V to 2.5V at 25±2°C, with a nominal voltage of 3.7V, and supports continuous charging up to 1.0C and continuous discharging up to 5.0C.
| Parameter | Value | Note |
|---|---|---|
| Minimum Capacity | 30.0Ah | 0.2C @ 4.25~2.5V @ 25±2°C |
| Nominal Voltage | 3.7V | - |
| AC Impedance (ACIR) | ≤1.0mΩ | 1kHz @ 27% SOC @ 25±2°C |
| Weight | 330g (±12g) | - |
| Charge Cut-off Voltage | 4.25V | - |
| Discharge Cut-off Voltage | 2.5V (T>0°C); 2.20V (T≤0°C) | - |
| Standard Charge Method | 0.2C CC to 4.25V, 4.25V CV to 0.02C | - |
| Standard Discharge Method | 0.2C | - |
| Max Continuous Charge Current | 1.0C | Continuous |
| Max Continuous Discharge Current | 5.0C | Continuous |
| Max Pulse Discharging Current | 10.0C | ≤10s at ≥80% SOC |
| Operating Temperature (0~5°C) | 0.1C max to 4.25V | - |
| Operating Temperature (6~15°C) | 0.2C max to 4.25V | - |
| Operating Temperature (16~20°C) | 0.5C max to 4.25V | - |
| Operating Temperature (20~35°C) | 1.0C max to 4.25V | - |
| Operating Temperature (36~45°C) | 0.5C max to 4.25V | - |
| Storage Temperature (12 months) | -10~25°C @ 80%RH max | 27% SOC state |
| Storage Temperature (3 months) | -10~35°C @ 80%RH max | 27% SOC state |
| Storage Temperature (1 month) | -10~45°C @ 80%RH max | 27% SOC state |
| Shell Material | Aluminum Plastic Film | - |
| Shipment Voltage | 3.30~3.65V | Approx. 27% SOC |
| Grouping Standard - Capacity | 450mAh | - |
| Grouping Standard - Voltage | 10mV | - |
| Grouping Standard - Internal Resistance | 0.4mΩ | - |
| Grouping Standard - K Value | ≤0.06mV/h | - |
| Item | Value | Tolerance | Note |
|---|---|---|---|
| Thickness (T) | 9.3 mm max | - | 27% SOC, fresh cell |
| Width (W) | 88.0 mm max | - | - |
| Length (L) | 189.0 mm max | - | - |
| Weight | 330 g | ±12 g | - |
| Sealant Length (A) | 0.5~3.0 mm | - | - |
| Tab Width (B) | 25.0 mm | ±0.2 mm | - |
| Aluminum Tab Thickness | 0.40 mm | ±0.02 mm | - |
| Copper Nickel-plated Tab Thickness | 0.30 mm | ±0.02 mm | - |
| Two Tab Distance (W1) | 40.0 mm | ±2.0 mm | - |
| Tab Distance to Battery Edge (L1) | 6.8 mm | ±2.0 mm | - |
| Tab Length (L2) | 17.0 mm | ±1.0 mm | - |
| Item | Condition | Result |
|---|---|---|
| Appearance | Visual inspection | No defects and no leakage |
| Dimension | Caliper measurement | Conforms to item 4 |
| Weight | Balance | Conforms to item 3.3 |
| Shipment Voltage | Voltmeter | 3.30~3.65V (<27% SOC) |
| Initial Internal Impedance | AC impedance at 1kHz | ≤1.0mΩ (<27% SOC) |
| Discharge Capacity | Standard charge then standard discharge at 25±2°C | ≥30Ah |
| Cycle Life | 25±2°C, with splint, rest 30 min between cycles. Charge: 0.5C CC to 4.25V, 4.25V CV to 0.05C cut-off; Discharge: 3.0C CC to 2.5V | ≥80% initial capacity @300 cycles |
| Leakage Test | Fully charged, stored at 60±2°C and 85±5% RH for 7 days | No leakage |
| High/Low Temperature Discharge Characteristic | Charge: 0.5C CC/CV to 4.25V, 0.05C cut-off at 25±2°C. Discharge: 0.5C CC to 2.2V at -20±2°C; 0.5C CC to 2.5V at 55±2°C | ≥70% initial capacity at -20±2°C; ≥95% initial capacity at 55±2°C |
| External Short Circuit Test | Fully charged, terminals short-circuited with 60mΩ for 10 min, observe 1 hour at room temperature | No explosion and no fire |
| Over-Discharge Test | Fully discharged, 1C CC discharge for 90 min after standard charge, observe 1 hour | No explosion, no fire, and no leakage |
| Overcharge Test | Fully charged, 1C CC charge to 1.1 times max charge voltage or 115% SOC, observe 1 hour | No explosion and no fire |
| Crush Test | Fully charged, half cylinder radius 75mm at ≤2mm/s, stop at 0V or 15% deformation or 100kN, observe 1 hour | No explosion and no fire |
| Drop Test | Fully charged, positive and negative terminals facing down, free drop from 1.0m onto concrete floor, observe 1 hour | No explosion, no fire, and no leakage |
| Saltwater Immersion Test | Fully charged, immersed in 3.5% NaCl solution for 2 hours | No explosion and no fire |
| Low Pressure Test | Fully charged, stored at 11.6kPa and room temperature for 6 hours, observe 1 hour | No explosion, no fire, and no leakage |
| Temperature Cycling Test | Fully charged, 5 cycles between -40°C and 85°C, observe 1 hour | No explosion, no fire, and no leakage |
| Storage Performance | Stored for 30 days at 25±2°C and 65±20% RH | Residual capacity ≥90% of initial capacity |
This high-capacity lithium polymer cell is suitable for applications requiring stable performance, low internal resistance, high capacity, and high discharge rates, such as power tools, energy storage systems, electric mobility devices, and high-capacity drone batteries. The battery must be stored in a dry, shady, and cool environment. For prolonged storage exceeding 30 days, adjust SOC to around 35%. After three months of 35% SOC storage, perform one charge-discharge cycle and adjust SOC back to 35%. Storage at 35% SOC for more than 6 months without charge-discharge maintenance will cause irreversible capacity loss of about 4%. If 35% SOC storage exceeds 9 months without charge and discharge maintenance, Jianheng will not be responsible for quality protection due to capacity loss or other defects. During transportation, the battery should be protected from impact, moisture, and exposure to high temperatures. Never ship or store the battery together with metal objects. Avoid dropping, knocking, or trampling the battery during transport. Never throw the battery into water. Keep it in a dry, shady, and cool place when not in use. Never keep the battery beside high-temperature sources such as fire or heating machines. Use only the specified charger when charging. Never reverse the positive and negative terminals. Never insert the battery directly into a power socket. Never throw the battery into fire or a heating machine. Never connect the positive and negative terminals with metal to short-circuit the battery. Never knock, throw, or trample the battery. Never directly weld the battery or pierce it with nails or other sharp tools. Do not mix different types or models of lithium polymer batteries. Do not bend the top sealing edge, open or damage the folded edge, or fold the bottom of the cell. Do not drop, impact, or bend the cell. Battery pack design and packaging must not damage the battery. Conductive components must be insulated from the two sides of the battery sealing edge. Do not use or leave the battery at very high temperatures (e.g., strong direct sunlight or in an extremely hot vehicle), otherwise it may overheat, catch fire, fail, or have a shortened lifespan. Never use the battery under strong static or strong magnetic fields, otherwise the safety protection device may be damaged, posing a safety hazard. If the battery leaks and electrolyte gets into the eyes, do not rub. Wash eyes with clean water and seek medical attention immediately. If the battery emits a peculiar smell, heats up, deforms, changes color, or exhibits any abnormality during use, storage, or charging, immediately remove it from the device or charger and stop using it. If the terminals are dirty, clean them with a dry cloth before use; otherwise, contact failure may occur. When disposing of the battery, cover the terminals with insulating paper to prevent fire or explosion. Prevent the battery from reaching an over-discharge state. If the voltage is lower than 2.00V, the battery may be permanently damaged, and Jianheng's warranty shall cease to apply. Do not charge the battery at low temperatures prohibited by this specification, including standard charging, fast charging, emergency charging, and regenerative charging; otherwise, unexpected capacity degradation may occur. The battery system must meet the waterproof and dustproof grades stipulated by relevant national standards. It is forbidden to mix different P/N cells in the same battery system or vehicle.
Manufacturer: Shenzhen Jianheng Technology Co Ltd (Jianheng). Contact: 0086 137 2555 9416, alan@liion-batt.com, 20F 2# Bld. Zhenhuan Rd. Pingshan, Shenzhen, China.