Home Electronics Accessories & Supplies Camera Accessories Camera Grips & Straps4S 30A BMS

Share this product

4S 30A BMS

₦ 8,000

Not deliverable to LEKKI-AJAH (SANGOTEDO)

0 out of 5

(No ratings available)

Currently Out of Stock

Promotions

Call 02018883300 To Place Your Order Enjoy cheaper shipping fees when you select a PickUp Station at checkout.

Report incorrect product information

Delivery & Returns

Not deliverable to that location

Please choose another location.

Return Policy

Free return within 7 days for ALL eligible itemsDetails

Seller Information

Jumia

100%Seller Score

Product details

The HX-4S-F30A is a compact 4S (4-Series) 30A Battery Management System (BMS) designed to monitor, protect, and balance 4-cell lithium battery packs. it is pre-configured to support either 14.8V Lithium-Ion (Li-ion) or 12.8V Lithium Iron Phosphate (LiFePO4) battery chemistries. It handles a continuous operating current of up to 30A, features integrated cell balancing, and includes safety cut-offs for overcharging, over-discharging, and short circuits.

Technical Specifications:

Parameter	Lithium-Ion (Li-ion) Variant	LiFePO4 Variant
Nominal Pack Voltage	14.8V	12.8V
Charging Voltage	16.8V – 17.0V	14.4V – 15.0V
Max Continuous Current	30A	30A
Peak Transient Current	40A	40A
Overcharge Cut-off (per cell)	4.25V ± 0.05V	3.75V ± 0.05V
Over-discharge Cut-off (per cell)	2.5V ± 0.05V	2.1V ± 0.05V
Cell Balancing Current	~60 mA	~60 mA
Physical Dimensions	56mm x 48mm x 4mm	56mm x 48mm x 4mm

Wiring & Connection Guide:

Connect your cells in series sequence using the onboard pads and the included 5-pin balance harness:

B-: Main negative terminal of the entire battery pack.
B1: Positive terminal of cell 1 (junction between cell 1 and cell 2).
B2: Positive terminal of cell 2 (junction between cell 2 and cell 3).
B3: Positive terminal of cell 3 (junction between cell 3 and cell 4).
B+: Main positive terminal of the entire battery pack.
P+: Positive output connection for the load and the charger.
P-: Negative output connection for the load and the charger. [1, 2]

Specifications

Key Features

1. Common Practical Applications 12V Lead-Acid Battery Replacements (LiFePO4 Variant)

The 4S LiFePO4 configuration sits at a nominal 12.8V and peaks at 14.4V–14.6V, making it a perfect drop-in replacement for traditional 12V lead-acid batteries.

Solar Energy Storage: Small-scale off-grid solar setups, or garden lighting.
Marine & RV Electronics: Powering fish finders, trolling motors, and cabin LED lights.
CCTV & Security Backup: Long-lasting Uninterruptible Power Supplies (UPS) for alarms and routers.

Power Tools & High-Torque Motors (Li-ion Variant)

The 4S Lithium-Ion configuration sits at a nominal 14.8V and peaks at 16.8V. The 30A current handling is ideal for demanding motor startups.

Cordless Drill Upgrades: Rebuilding old Ni-Cd power tool battery packs with high-drain 18650 cells.
Robotics & RC Vehicles: Heavy-duty robotics platforms, large RC cars, or custom drones requiring stable power distribution.
Portable Air Compressors: Powering 12V tire inflators or small fluid pumps.

Portable High-Power Audio & Field Equipment

Boomboxes & Bluetooth Speakers: Powering high-wattage Class-D amplifiers (like the TPA3116) which perform best at 12V–16V.
Ham Radio & Field Ops: Powering portable transceivers requiring clean, high-amperage current during transmissions.
Camping Power Banks: Building custom power stations with 12V car sockets and USB-C PD modules.