Description

QA2000A 2000 W Smart Waterproof Battery Charger — 24 V to 72 V Platforms

✅ 2000 W Output | ✅ ≥ 93 % Efficiency · PF ≥ 0.99 | ✅ 5 Voltage Platforms · 24 V – 72 V | ✅ LiFePO4 · Li-ion · Lead-Acid | ✅ IP67 · CE / FCC / ETL / RoHS

Technical Specifications

Parameter	24 V Platform	36 V Platform	48 V Platform	60 V Platform	72 V Platform
DC Output
Model	QA2000A-24V50A	QA2000A-36V40A	QA2000A-48V35A	QA2000A-60V30A	QA2000A-72V25A
Rated output power	2000 W
Rated battery voltage	24 V	36 V	48 V	60 V	72 V
Max output voltage	34 V	48 V	68 V	85 V	102 V
Max output current	50 A	40 A	35 A	30 A	25 A
CV Charge Voltage & Termination
CV charge voltage — lead-acid	29.4 V	44.1 V	58.8 V	73.5 V	88.2 V
CV charge voltage — Li-ion	29.4 V	42.0 V	54.6 V	67.2 V	84.0 V
CV charge voltage — LiFePO4	29.2 V	43.8 V	58.4 V	73.0 V	87.6 V
CV transition / cut-off current (Li)	5.0 A	4.0 A	3.0 A	2.5 A	2.5 A
AC Input & Efficiency
AC input voltage range	180–264 V AC, 45–65 Hz
AC input max current	≤ 14.7 A max @ 120 V AC · ≤ 8 A @ 220 V AC
Efficiency	≥ 93 %
Power factor	≥ 0.99
Noise	≤ 45 dB
Protection & Compatibility
Battery compatibility	LiFePO4, Li-ion, liquid and sealed (gel) lead-acid battery packs (CC/CV charging profile)
Protection functions	Over-heat, over-charging, over-voltage, short-circuit, reverse-polarity and no-load protection; 15-hour automatic shut-down; IP67 protection level
Smart functions	CAN bus, 12 V auxiliary power, three-color LED indicator (red charging / yellow almost full / green fully charged), charging interlock
Physical & Application
Dimensions (L × W × H)	286 × 159 × 88 mm
Cable lengths	AC input cable 1000 mm · DC output cable 1000 mm + 450 mm pigtail
Operating temperature	-30 °C to +65 °C (storage -40 °C to +95 °C)
AC plug options	US, EU, UK, AU, JP, Italy, Switzerland, Brazil, India and more on request; 9 DC connector types available
Net weight	4.0 kg
Application	Golf cart, electric forklift, floor sweeper / scrubber, AGV, electric boat, energy storage and other battery pack cycle charging

Product Details

XCONTACTOR QA2000A 2000W waterproof smart battery charger — yellow aluminum housing with mounting bracket, portable handle, cooling fan and 9 DC output connector types

XCONTACTOR QA2000A 2000W waterproof smart battery charger — portable handle, built-in cooling fan, heat sink, LED indicator and input / output wires

XCONTACTOR QA2000A 2000W waterproof battery charger — dimensions 286 x 159 x 88 mm, AC and DC cable lengths 1000 mm / 450 mm, net weight 4.0 kg

QA2000A 2000W charger — charging curve for lead-acid and Li-ion / LiFePO4 batteries with over-voltage, over-charging, short-circuit, over-heat and reverse-polarity protection

QA2000A 2000W charger with 29.2 V 240 Ah battery — excellent reliability, 24-hour uninterrupted operation in harsh environments, 2-year warranty, RoHS

Ordering & Factory Info

Item	Detail
Brand / Origin	XCONTACTOR · China
Model variants	QA2000A-24V50A / -36V40A / -48V35A / -60V30A / -72V25A (order by battery platform)
MOQ & Lead Time	Sample order accepted · typically 1–2 weeks (confirm with sales)
Payment & Warranty	T/T, PayPal, Trade Assurance · 2 years warranty