BATTERY Contacts FOR Dual Battery 5253

Huizhou Antenk Electronics Co., Ltd., an IATF16949:2016, ISO9001 and ISO14001 certified manufacturer founded in 2007 with over 250 employees and a 10,000m² facility in Shenzhen and Dongguan, proudly presents the BATTERY Contacts FOR Dual Battery Model 5253 - a specialized series configuration contact with center tap designed for applications requiring balanced voltage or split-rail power supplies. Unlike standard dual battery contacts that merely connect two cells in series, Model 5253 features three independent terminals: negative spring for first battery, center tap (series junction), and positive spring for second battery. Manufactured on our 11 sets of Japanese/Taiwanese high-speed stamping presses using premium phosphor bronze (C5191) with selective gold or tin plating, this contact delivers ultra-low resistance of under 15 milliohms per segment. Key characteristics include independent spring forces of 80-120 grams per cell, support for continuous currents up to 5A (total), reliable operation from -40°C to +85°C, and an integrated anti-reverse polarity key. The center tap allows monitoring of individual battery voltages or drawing ±3V from two 1.5V cells. The product is RoHS, REACH compliant and UL recognized (E472792), with 100% automated optical inspection on every batch.

 

Application Scope: Model 5253 is ideal for devices requiring balanced battery discharge, individual cell monitoring, or split-rail analog circuits, including portable medical devices (dual-cell patient monitors), precision instrumentation (op-amp circuits requiring ±1.5V), high-end portable audio equipment, battery management systems (BMS) for series cells, emergency lighting with cell-level supervision, robotics, and educational electronics kits - markets where Antenk already supplies customers in the USA, Germany, South Korea, India, Russia, and beyond. Usage Method: Solder three PCB pads: negative (GND), center tap (CT), and positive (V+). Insert first battery (negative to negative spring, positive to center tap contact). Insert second battery (negative to center tap contact, positive to positive spring). The center tap provides access to the midpoint voltage (1.5V when using two 1.5V cells). Precautions: Do not short center tap to either terminal; ensure batteries have matched charge levels for balanced operation; do not exceed 5A total current; operate within -40°C to +85°C range. Advantages Over Competitors: Unlike competitors who offer only simple series contacts without center tap (making individual cell monitoring impossible), Antenk's Model 5253 integrates the tap as a formed feature from the same stamped strip - no extra wiring needed. Competitors often use spot-welded taps that fail under vibration; Antenk uses a continuous stamped trace. While others require 10,000+ MOQ and custom tooling charges over $1,500 for three-terminal designs, Antenk offers low MOQs (1,000 units) with no tooling fees for standard center-tap spacing. Our IATF16949 certification ensures automotive-grade quality management. Additionally, our 72-hour salt spray testing and 15,000-cycle validation guarantee reliability even in demanding medical and industrial environments.

 

Antenk's vertical integration delivers consistent quality for Model 5253 center-tap design. Process flow: (1) In-house mold design and fabrication using our 180+ precision terminal molds (dedicated three-terminal progressive tooling with 22+ stations); (2) High-speed stamping on Japanese/Taiwanese presses (11 machines) using 0.30mm phosphor bronze strip - the center tap requires precise forming to create three isolated spring arms from a single sheet; (3) Selective plating (gold on contact areas, tin on solder tails) using precision masking; (4) 100% AOI dimensional inspection with critical tolerance of ±0.05mm on contact positions and center tap alignment; (5) Individual spring force testing per EIA-364-04 for all three contacts; (6) Contact resistance testing per EIA-364-06 between negative-center and center-positive paths; (7) 72-hour salt spray corrosion testing; (8) Automated assembly on 180+ machines with continuity verification across all three terminals; (9) Final QC with lot traceability and full dimensional report including center tap offset measurement. Our laboratory houses 20+ testing devices including profile projectors, hardness testers, environmental chambers, and four-wire Kelvin resistance testers. With 250+ employees including dedicated engineering and QA teams, 18+ mold-making machines, and 250+ plastic injection molds, we provide free samples, complete 2D/3D CAD drawings showing center tap geometry, and 24-hour technical support. Contact Antenk today for a quotation - we typically respond within 4 hours and ship center-tap dual battery contact samples within 5 days. Ask about our volume discounts (5,000+ units) and custom center-tap configurations (asymmetric spacing, alternative tap locations). With 70% of our products exported worldwide and 18 years of experience, Antenk is your trusted partner for advanced dual battery contact solutions with individual cell monitoring capability.