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BOOANT 48V 50Ah Ebike Battery with Samsung 21700 50G Cells & Smart BMS
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- [Superior Range] 50Ah Monster Capacity for Long-Distance Touring : Engineered for riders who demand ultimate endurance. The massive 50Ah (2400Wh) energy reserve allows for extended long-range trips on a single charge. Whether you’re powering a heavy cargo trike or a high-speed commuter, range anxiety is now a thing of the past.
- [Premium Core] Original Samsung 21700 50G Cells : Never compromise on safety or performance. We use only genuine Samsung 21700 cells, which offer significantly higher energy density and a longer lifecycle (1000+ cycles) compared to generic cells. Experience stable power delivery even during peak 3000W output.
- [Bulletproof Protection] Fireproof Metal Case with Integrated Handle : Built like a tank. The heavy-duty Metal Casing provides 360° impact resistance and superior fire protection compared to standard PVC wraps. Designed with a reinforced ergonomic handle, making this high-capacity unit easy to carry and secure in your battery tray.
- [Smart Control] Advanced JBD Bluetooth BMS & App Monitoring : Safety meets intelligence. Our integrated Smart JBD BMS protects against overcharge, short-circuit, and thermal runaway. Connect via Bluetooth to monitor your battery’s real-time SOC (State of Charge), temperature, and cell balance directly on your iOS or Android device.
- [High-Power Ready] 2300W Output & Universal Compatibility : Ready for high-performance setups. Featuring 10AWG heavy-duty discharge cables, this 48V system safely supports motors from 500W to 2300W. Perfect for DIY enthusiasts, e-bike conversions, and electric trikes—universal fit for most 48V power systems.
BMS Discharge Current (Select Motor Power)
30A | For 1000W Motors
40A | For 1500W Motors
50A | For 1800W Motors
60A | For 2300W Motors
Discharge Plug
QS8 plug
Anderson 50A
XT90F/M
XT60F/M
Wire only
BMS Discharge Current (Select Motor Power)
Discharge Plug
📄 Download Product Datasheet
Access detailed battery specifications, dimensions, cell configuration, BMS features, charging parameters, and performance data.
Need a custom battery pack? BOOANT offers OEM lithium battery solutions with configurable voltage, capacity, dimensions, connectors, and smart BMS options.
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BOOANT
48V 50AH Lithium Battery
High-Performance 48V 50Ah (2400Wh) Samsung 21700 Lithium Battery Pack for eBike & Energy Storage Systems
A high-capacity energy storage solution constructed with 130 original Samsung 21700 50G cells in a robust 13S10P architecture. Fully enclosed in a metal housing and managed by a JBD smart Bluetooth BMS.
13S10P Configuration Samsung 21700 50G Metal Enclosure 2400Wh Energy
Designed for Real-World Applications
eBike & Cargo Bike
Longer range, fewer voltage drops on hills, and stable power delivery for extended ride time on electric bicycles and heavy cargo bikes.
Solar Storage
Reliable energy storage for off-grid solar systems. Consistent discharge and high cycle life for daily charge/discharge routines.
Off-Grid Power
Portable 2400Wh capacity ideal for cabin power, camping setups, and backup energy needs away from the grid.
DIY Upgrade Kit
Perfect replacement or upgrade for existing 48V systems. Drop-in compatibility with most 48V motor controllers and inverters.
Technical Specifications – 48V 50Ah Samsung 21700 Lithium Battery (2400Wh)
Nominal Voltage
48V
13S lithium-ion standard
Rated Capacity
50 Ah
Total energy 2400 Wh
Cell Configuration
13S10P
130 Grade A cells total
Cell Model
Samsung 21700
INR21700-50G (genuine)
BMS System
JBD Smart
Bluetooth integrated
Charger
WATE 54.6V
10A fast smart charger
Housing
Metal
Structural & thermal protection
Cycle Life
≥500
To 80% capacity (standard)
Why Samsung 21700 Over Generic Packs
| Feature | BOOANT 48V 50Ah (Samsung 21700) | Generic 48V 18650 Pack | Cheap LiFePO4 Alternative |
|---|---|---|---|
| Cell Type | Samsung INR21700-50G (Grade A) | Unbranded 18650 (mixed grade) | Prismatic LiFePO4 (heavy) |
| Energy Density | High (2400Wh compact) | Moderate (bulkier for same capacity) | Lower (significantly heavier) |
| Weight Efficiency | Lighter per Wh | Heavier for equivalent energy | 30–50% heavier for same Ah |
| Voltage Stability | Minimal sag under load | Noticeable drop on hills | Flat curve but lower nominal V |
| BMS Intelligence | JBD Bluetooth with app control | Basic protection only | Basic or no Bluetooth |
| Cycle Life Consistency | Matched Grade A cells, consistent aging | Mixed cell quality, uneven degradation | Long cycle life but bulkier |
The Samsung 21700 50G cells deliver superior energy density and discharge consistency compared to generic 18650-based packs. This means more usable range on your eBike, less voltage sag during acceleration, and a longer overall service life.
Cell Architecture & Build Quality
- 🔋 130 Genuine Samsung 50G Cells
The battery module is assembled exclusively with original Samsung INR21700-50G cylindrical cells, known for high energy density and consistent discharge performance.
- 🧱 13S10P Matrix Design
Thirteen cells connected in series establish the 48V nominal platform, while ten parallel branches provide the 50Ah capacity and reduce current stress per cell.
- 🛡️ Durable Metal Enclosure
A rigid metal outer shell protects the internal pack from physical impact, contributes to heat dissipation, and gives the unit a clean, professional appearance.
JBD Intelligent Bluetooth BMS
The integrated JBD Battery Management System delivers multi-layered electronic protection and wireless connectivity for complete user awareness.
- Prevents battery damage under extreme load conditions Overcharge and short circuit protection safeguards the pack during high-current draws and unexpected surges.
- Ensures stable performance during high-current climbing Deep discharge prevention and temperature cutoff maintain consistent power delivery on steep hills and under heavy cargo loads.
- Extends cycle life through intelligent cell balancing Active cell voltage balancing keeps all 130 cells within optimal range, maximizing total pack longevity beyond 500 cycles.
📱 App Connectivity
Real-time monitoring of voltage, current, remaining capacity, and temperature. Remote charge/discharge control is supported through the dedicated smartphone application.
WATE 54.6V 10A Smart Charger
The included WATE fast charger is specifically calibrated for 13S lithium-ion packs, delivering a 10A charge current at a peak voltage of 54.6V.
Grade A Samsung 21700 Cells
UN38.3 Compliant Assembly
Multi-Layer BMS Protection
1-Year Coverage
Metal Enclosure for Durability
BOOANT 48V 50Ah (2400Wh) high-capacity lithium battery pack built with 130 genuine Samsung 21700 50G cells. JBD Bluetooth BMS with app monitoring, metal enclosure, and WATE 54.6V 10A charger. Ideal for eBike, cargo bike, solar storage, and off-grid power systems. Designed and assembled by BOOANT.
Samsung INR21700-50G Cell
NMC-Based Core Unit High CapacityFoundation of the 48V 50AH Battery System
Ideal for high-performance eBikes, energy storage, and marine systems — where long range, stable torque delivery, and cycle durability are essential.
Nominal Voltage
3.6V
Charge Cut-off
4.2V
Discharge Cut-off
2.5V
Cycle Life
≥500cycles
The Samsung INR21700-50G cell forms the energy backbone of the 48V 50AH battery pack. Each cell operates at a nominal 3.6V with a charge cut-off of 4.2V and a discharge cut-off of 2.5V, delivering 5000mAh across a wide operating window. With a cycle life of ≥500 cycles to 80% capacity, 130 matched cells in a 13‑series 10‑parallel configuration work in unison — providing stable voltage under high-current loads, low internal resistance, and consistent performance across hundreds of deep discharges.
Voltage Stability Under Load
Maintains steady output during high-torque demands like hill climbing or acceleration. Low sag design ensures consistent power to your controller.
Thermal & Cycle Durability
Optimized anode system and NMC chemistry reduce heat buildup. Engineered for minimal capacity fade — ≥500 cycles to 80% residual capacity.
Uniform Cell Matching
Every cell is rigorously graded for capacity and internal resistance. Balanced strings eliminate weak points in the 13S10P architecture.
Energy-Dense 21700 Format
5000mAh in a compact cylindrical form factor. Maximizes range without adding unnecessary weight or bulk to your system.
Technical Deep Dive: Cell Specifications & System Role
Samsung INR21700-50G Contribution to 48V 50AH Battery
The Samsung INR21700-50G is a cylindrical rechargeable lithium-ion cell utilizing NMC-based chemistry with an optimized graphite-based anode system. Its role in the 48V 50AH battery is foundational: it provides the base energy storage unit. Through a 13-series connection, the voltage reaches 48V; through 10 parallel branches, capacity sums to 50AH.
- Cell Model: INR21700-50G (Samsung SDI)
- Nominal Capacity: 5000mAh
- Nominal Voltage: 3.6V
- Charge Cut-off Voltage: 4.20V ±0.05V (standard CC/CV charging)
- Discharge Cut-off Voltage: 2.5V (recommended minimum for cycle life preservation)
- Cycle Life: ≥500 cycles to 80% residual capacity (0.5C charge / 1C discharge, 25°C)
- Chemistry: INR (NMC-based, Lithium Nickel Manganese Cobalt Oxide)
- Anode System: Optimized graphite-based anode with enhanced energy density design
- Pack Configuration: 13S10P (130 cells total)
- Energy per Cell: Approximately 18Wh
- Typical Discharge Support: Stable under 30A–50A continuous loads (system-dependent)
The cell's 5000mAh capacity, low DC internal resistance, and robust NMC cathode enable sustained power delivery for demanding applications including high-performance eBikes, residential energy storage, and marine power systems. The defined voltage boundaries (2.5V–4.2V) ensure safe operation while maximizing both energy utilization and long-term cycle stability.
🔋 INTELLIGENT BATTERY MANAGEMENT
JBD Smart Bluetooth BMS
Engineered protection for 48V 50Ah lithium-ion packs. Real-time monitoring, adaptive balancing, and multi-layered safety for demanding applications.
System Voltage
48V nominal
Rated Capacity
50Ah capacity
BMS Topology
13S smart BMS
Continuous Discharge
Selectable 30A · 40A · 50A · 60A
Real-time cell-level oversight. This protection system continuously monitors voltage, current, and temperature across the entire 48V configuration. It ensures every cell operates within strict electrochemical limits — preventing degradation and preserving structural integrity over thousands of cycles.
🔋 Built for real-world demands: e-bike steep hill climbing · cargo delivery bikes · long-range commuting · high-discharge burst scenarios.
⚠️ Without precise management: cell imbalance leads to reduced range, accelerated aging, and potential thermal runaway. The integrated protection logic eliminates these risks before they develop.
Overcharge Protection
Terminates charge input immediately when any cell reaches its maximum voltage threshold. Prevents lithium plating and preserves cathode stability.
Over‑Discharge Defense
Disconnects the load before any cell drops below critical voltage. Protects anode structure and ensures reliable restart capability after storage.
Adaptive Cell Balancing
Equalizes voltage across all 13 series groups during charging. Reduces mismatch, recovers usable capacity, and extends overall service life.
Temperature Surveillance
Multiple NTC thermistors provide real-time thermal mapping. Operation is suspended at temperature extremes to prevent heat-induced aging or cold-weather plating.
Short‑Circuit & Overcurrent
MOSFET cutoff response triggers within microseconds of a short circuit or surge condition. Instantly isolates the pack to protect internal conductors and surrounding components.
Bluetooth Smart Monitoring
Wireless connectivity delivers live pack status to a mobile application. View individual cell voltages, remaining capacity, cycle count, and protection event history.
Engineered protection for 48V 50Ah lithium-ion packs. The JBD smart BMS provides adaptive cell balancing, overcharge and temperature protection, and Bluetooth monitoring. Designed for e-bike, cargo, and long-range applications. Selectable continuous discharge: 30A, 40A, 50A, 60A. Designed and assembled by BOOANT.
SUPNOVA Battery Intelligent Display
Real‑time monitoring for 48V 50AH metal case packs — powered by Samsung 21700‑50G cells
48V Architecture 50AH Capacity 8–90V Range Samsung 21700‑50G
Display Type
LCD digital
Voltage Range
8–90 V
Capacity Readout
0–100 %
Temp Monitoring
-20~70 °C
See your battery's vital stats in one glance. This display reads voltage across a wide 8–90V window, tracks internal temperature, shows remaining capacity as a clear percentage, and fills a progress bar while charging. Built into the metal case of your 48V 50AH pack with Samsung 21700‑50G cells. No guesswork — just the numbers that matter, right when you need them.
Wide-Range Voltage
Reads from 8V to 90V. One display covers small packs, high-voltage systems, and everything in between.
Live Temperature
Built-in sensor keeps you informed. Spot overheating early and charge with confidence.
Capacity at a Glance
Big percentage number tells you exactly how much energy is left. No icons to decode.
Charge Progress Bar
Watch the bar fill as your pack charges. Instantly see how close you are to full.
Precision battery capacity display for SUPNOVA 48V 50AH metal case battery with Samsung 21700-50G cells. Real-time monitoring of voltage (8-90V), temperature, remaining capacity percentage, and dynamic charging progress bar. Designed and assembled by BOOANT.
WATE 54.6V 10A Fast Ebike Charger
High-Speed Smart Charger Optimized for 48V 50AH Lithium Battery Packs
WATE 54.6V 10A Output 13S Li-ion Charger Fast Ebike Charger
System-Matched for Maximum Performance
Specifically tuned for 48V 50AH battery packs with Samsung 21700 cells and JBD Smart BMS configurations. Works seamlessly with 13S NMC Li-ion systems to deliver optimal charging curves and full capacity utilization.
| Technical Specifications | |
|---|---|
| Brand | WATE |
| Output Voltage | 54.6V DC |
| Charge Current | 10A |
| Charging Mode | CC/CV Adaptive |
| Input Connector | IEC C13 3-Pin |
| Dimensions | 175×90×60mm(6.9×3.5×2.4 in) |
| Housing Material | Aluminum Alloy |
| Input Voltage | 100–240V AC50/60Hz |
| Compatible Battery | 48V 50AH 13S NMC Li-ion |
⏱️ Charging Speed Comparison
Charges 2× Faster Than Standard Chargers
Delivers a full charge in approximately 5–6 hours for a 48V 50AH battery — compared to 8–10 hours with typical 5A chargers.
Get back on the road faster with high-current 10A output that maintains stable charging even under continuous operation.
💡 LED Status Indicator
Solid Red – Charging in progress
Solid Green – Fully charged / Auto stop
Built for 48V ebike and electric scooter batteries. The WATE 54.6V 10A charger delivers the fastest safe charge your lithium pack can handle. Charges smarter, not just faster. Adaptive CC/CV technology reads your battery in real time — automatically adjusting current and voltage to protect cell health and extend cycle life. Stays cool. Works anywhere. Compact aluminum body (175×90×60mm) fits in any bag. IEC C13 input accepts standard power cords worldwide. Charge indoors with confidence. Auto shut-off at full capacity. Zero overcharge risk. Built-in protection against reverse polarity, short circuit, and overheating. Compatible with: 48V 50AH 13S NMC Li-ion packs • Smart BMS systems • Samsung 21700 cell configurations • Ebikes, scooters, golf carts, mobility devices
⚡ Why Choose This Charger
Adaptive CC/CV Charging
Smart IC constantly monitors battery feedback and adjusts charging phases — maximizes cycle life and prevents cell degradation over time.
Stays Cool Under Load
Aluminum housing with integrated heat dissipation keeps temperatures stable even during 10A continuous output, extending charger lifespan.
No Overcharge Risk
Auto shut-off at 54.6V with zero trickle current. Reverse polarity, short circuit, and over-temperature protection keep your battery safe.
Clear Status at a Glance
Red = charging, Green = full and stopped. No confusion, no second-guessing — always know when your battery is ready.
Brand WATE
Fast Output 54.6V / 10A
Compact Size 175×90×60 mm (6.9×3.5×2.4 in)
For Battery 48V 50AH 13S
WATE 54.6V 10A fast smart charger optimized for 48V 50AH lithium ebike batteries. Charges 48V packs in 5-6 hours with CC/CV adaptive algorithm. Compatible with 13S NMC Li-ion, Samsung 21700 cells, and smart BMS systems. Safe indoor charging with auto shut-off. Designed and assembled by BOOANT.
48V 50AH Battery · Choose Your BMS & Real Range
Metal Enclosure · 30A / 40A / 50A / 60A Continuous · Smart Balancing
Voltage
48V
Capacity
50AH
Energy
2400Wh
Peak discharge
3×cont.
One pack, four BMS choices. High-quality cells in a rugged metal case — powers motors from 1000W to 2300W. Every version includes an intelligent BMS with active balancing to reduce cell drift and extend cycle life. Peak discharge supports up to 3× continuous rating — easily handles startup surges on Bafang and high-torque hub motors. Real‑world range estimates below.
🔍 Not sure which BMS to choose?
- 30A–40A → Best for efficiency & longer range
- 50A → Balanced performance for daily riding
- 60A → Maximum power output for high-performance builds
30A BMS
Motor up to
1000W ⚡ Peak 90A (3×) 🔋 ~45–55 km
40A BMS
Motor up to
1500W ⚡ Peak 120A (3×) 🔋 ~40–50 km
50A BMS
Motor up to
1800W ⚡ Peak 150A (3×) 🔋 ~30–40 km
60A BMS
Motor up to
2300W ⚡ Peak 180A (3×) 🔋 ~25–35 km
Metal enclosure
Protects cells from drops, vibration and transport damage. The robust casing also improves heat dissipation during high-current draws.
Smart BMS with balancing
Active balancing reduces cell drift, maintaining full capacity over time. Prevents premature failure caused by imbalance and overheating — tested under real riding conditions.
Broad motor compatibility
Works reliably with most 48V controllers, Bafang motors, and high-power hub drives. Suitable for e‑bikes, scooters, trikes and custom lithium battery pack projects.
⚡ Quick reference: 48V 50AH lithium battery (2400Wh) · 30A (1000W, peak 90A) ~45–55 km · 40A (1500W, peak 120A) ~40–50 km · 50A (1800W, peak 150A) ~30–40 km · 60A (2300W, peak 180A) ~25–35 km. Range based on 20–25 Wh/km. Actual results vary with load, terrain and riding style. All versions include metal enclosure, smart BMS and active balancing.
48V 50AH 2400Wh
eBike & Electric Scooter Lithium Battery 13S 10P SAMSUNG INR21700-50G
Standard Voltage
48V
Battery Capacity
50AH2400Wh
Dimensions
275×180×170mm
10.8×7.1×6.7in
Weight
12.5kg
≈ 27.6lbs
⚙️ BMS Configuration Options
30A BMS
Motor up to 1000W
Peak 90A (3×)
~ 45–55 km
40A BMS
Motor up to 1500W
Peak 120A (3×)
~ 40–50 km
50A BMS
Motor up to 1800W
Peak 150A (3×)
~ 30–40 km
60A BMS
Motor up to 2300W
Peak 180A (3×)
~ 25–35 km
🔍 Core Technical Specifications
| Cell Brand / Model | SAMSUNG INR21700-50G |
|---|---|
| Cell Type | Lithium-ion rechargeable (21700) |
| Nominal Voltage (per cell) | 3.6V ~ 3.7V |
| Nominal Capacity (per cell) | 5000mAh |
| Max Continuous Discharge (Cell) | 5A (≈1C) · Peak 9.8A (≈2C) |
| Charge Cut-off (cell) | 4.20V, CCCV 100mA cut-off |
| Discharge Cut-off (cell) | 2.5V |
| Standard BMS Brand | JBD (integrated) |
| Optional BMS Brands | ANT / JK (customer selectable) |
| BMS Communication | Bluetooth (iOS & Android) |
| Optional Extensions | CAN BUS, RS485, GPS |
| Pack Charge Cut-off | 54.6V |
| Pack Discharge Cut-off | 32.5V (automatic protection) |
| Charger Output | 54.6V 10A (CC/CV) |
| Charging Time | 80% in 4h · Full 5–6h |
Designed for eBike, electric scooter, and high-power mobility systems. This 48V 50AH lithium battery pack utilizes SAMSUNG INR21700-50G cells in a 13S10P configuration, delivering 2400Wh energy for long-range riding.
Performance & Range: Choose from 30A to 60A BMS configurations to match your motor power requirements. Compatible with Bafang BBSHD and 1500W–3000W motors. Actual range varies based on BMS selection, terrain, rider weight, and assist level.
Smart BMS & Connectivity: Standard JBD BMS with Bluetooth for real-time monitoring on iOS and Android. Optional upgrade to ANT or JK BMS. Advanced extensions include CAN BUS, RS485, and GPS for fleet management or DIY integration.
Applications
Electric Bikes (eBike) · Electric Scooters · Off-grid Energy Storage · DIY Power Systems
Charger Specifications
Input 100V~240V worldwide. Output 54.6V 10A, CC/CV. 80% in 4h, full charge 5-6h. Plugs US/EU/UK/AU.
Temperature Range
Charge 0~60°C (recommend <45°C). Discharge -20~60°C. Ideal 15-25°C (<2% annual degradation).
Protection & SOC
Optimal storage 40-60% SOC (3.7-3.8V/cell). Avoid <10% or 100% for long term. Physical impact protection.
💡 Storage Recommendation: For long-term storage (>1 month), perform a shallow charge/discharge cycle (30%→80%) every 3 months to maintain lithium-ion activity. ⚠️ Keep away from metal objects, avoid compression or impact. Operating strictly prohibited at ≥50°C or <-30°C.
48V 50AH lithium battery pack for eBike, electric scooter, and high-power mobility. 2400Wh energy, SAMSUNG INR21700-50G cells. Up to 80A continuous, 100A peak. Smart BMS with Bluetooth. 40–80 miles estimated range. 13S10P configuration. Designed and assembled by BOOANT.
