Shenzhen Resky Electronics Co., Ltd.
| Payment Terms | T/T,Western Union |
| Supply Ability | 500pcs/day |
| Delivery Time | 10-15days |
| Packaging Details | Paper box |
| Rated Capacity | 50ah |
| Standard Voltage | 12V |
| Electrolyte | Li-ion |
| Cells | 21700 5000mAh Cells |
| Structure | 3s10p |
| Motor Power | 350W/500W |
| Charging Cut-off Voltage | 12.6V |
| Charging Current | 10A |
| Warranty | 12months |
| HS Code | 8507600090 |
| Brand Name | China |
| Model Number | RESKY-1250 |
| Certification | CE, RoHS, MSDS, Un38.3 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,Western Union | Supply Ability | 500pcs/day |
| Delivery Time | 10-15days | Packaging Details | Paper box |
| Rated Capacity | 50ah | Standard Voltage | 12V |
| Electrolyte | Li-ion | Cells | 21700 5000mAh Cells |
| Structure | 3s10p | Motor Power | 350W/500W |
| Charging Cut-off Voltage | 12.6V | Charging Current | 10A |
| Warranty | 12months | HS Code | 8507600090 |
| Brand Name | China | Model Number | RESKY-1250 |
| Certification | CE, RoHS, MSDS, Un38.3 | Place of Origin | China |
| High Light | 18650 Li-Ion Battery Pack ，21700 Li-Ion Battery Pack ，12.6V Li-Ion Battery Pack | ||
Storage Power Ups Battery 12v/24v 50Ah Rechargeable 21700 18650 Li-Ion Battery Pack
Specification:
| Product name | 12V 50Ah |
| Model | RSK-1250 |
| Rated Capacity | 50Ah |
| Nominal Voltage | 11.1V |
| Over discharge protection voltage | 9V±0.05V |
| Over charge protection voltage | 12.6V±0.05V |
| AC Impedance New Cell Max.(mΩ) | ≤100 mΩ |
| Maximum Continuous Charge Current | ≤10A adjustment |
| Maximum Continuous Discharge Current | ≤15A adjustment |
| Maximum Pulse discharge current | ≤30A adjustment |
| Operation Temperature Range | Charge: 0~45°C,Discharge: -20~60°C |
| Storage Temperature Range | Less than 1 year: -20~25°C |
| Less than 3 months: -20~40°C | |
| Storage Temperature Range | Less than 30 Days: -25°C~45°C |
| Less than 90 Days: -25°C~30°C | |
| Weight | Approx 2.8kg |
| Cycle Characteristic | 500times |
Main features:
21700 Cell Technology: Cylindrical cells (21mm × 70mm) offer 20–30% higher energy density than 18650 cells, storing more energy in a compact, lightweight design.
Lightweight: Weighs ~2–3 kg, improving portability and reducing load in mobile applications.
50Ah Rating: Provides 600Wh of energy storage, suitable for powering devices for extended periods (e.g., camping fridges, RV systems, or trolling motors).
Durability: Typically offers 1000–2000 charge cycles (80% capacity retention after 1000 cycles), outlasting lead-acid batteries (200–500 cycles).
Rapid Recharge: Supports high charging currents (e.g., 10–15A), achieving 0–80% charge in 2–3 hours (full charge in 4–6 hours with a compatible charger).
Safety Features: Prevents overcharging, over-discharging, short circuits, and thermal runaway.
Cell Balancing: Ensures uniform charging across cells, maximizing capacity and lifespan.
Thermal Regulation: Maintains optimal temperatures (e.g., -20°C to 60°C) for safe operation.
Low Voltage Cutoff: Safely discharges to 10.5–11V without damage, unlike lead-acid batteries (which require 50% DoD to avoid sulfation).
Peak Power Output: Delivers consistent 12V under heavy loads (e.g., 100–200A for short bursts), ideal for starting motors or inverters.
No Watering: Eliminates the need for electrolyte checks or maintenance, unlike lead-acid batteries.
Operating Temperatures: Functions efficiently in moderate climates (-10°C to 50°C), though extreme cold may reduce capacity temporarily.
Recyclability: Lithium-ion batteries are more sustainable than lead-acid alternatives.
Low Self-Discharge: Loses <5% of charge per month when idle, ideal for seasonal use.
RVs & Marine: Powers lighting, fridges, trolling motors, or navigation systems.
Solar Storage: Stores energy from solar panels for off-grid use.
Portable Power Stations: Provides backup power for tools, appliances, or electronics.
Pictures:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2012
Total Annual:
500000-1000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Shenzhen Resky Electronics Co., Ltd is a company specialized in manufacturing, sales and marketing of rechargeable lithium battery and related battery packs. Our lithium battery cells and packs products are widely used in portable mobile devices such as Bluetooth headsets, MP3 players, PDAs, Digi... Shenzhen Resky Electronics Co., Ltd is a company specialized in manufacturing, sales and marketing of rechargeable lithium battery and related battery packs. Our lithium battery cells and packs products are widely used in portable mobile devices such as Bluetooth headsets, MP3 players, PDAs, Digi...
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