HP812 is a practical dual-voltage 24V / 36V 1.5A charger built for automotive lead acid and lithium batteries. It can switch between 24V and 36V charging modes to fit different battery packs, bringing great flexibility for repair shops, fleets and battery distributors. Equipped with full safety protections including overcharge, short circuit, reverse polarity and overheat protection, it delivers stable and safe charging performance. Compact size for easy storage and portable use. We support custom plugs, connectors and OEM private label service for wholesale buyers.
FAQ
Can you do OEM private label for HP812 dual voltage charger?
Yes, custom logo, packaging and different output plugs are available for bulk wholesale orders.
What batteries does this HP812 charger support?
It supports both lead acid and lithium automotive batteries, selectable for 24V or 36V packs.
What certifications are available?
CE certified.
What is your MOQ for wholesale?
Samples are acceptable for testing, flexible MOQ for regular OEM and wholesale customers.
Specifications
HP812 – 24V / 36V 1.5A In-Car Battery Charger (Lithium / Lead-Acid)
| Model No. |
HP812 (24V / 36V – 1.5A) |
| Application |
Electric Bikes, Mobility Scooters, Power Wheelchairs |
| Input DC Voltage |
10.5V – 15V (max endure 21V / 60s) |
| Output Voltage |
29.5V ± 0.2V (24V) / 41.8V ± 0.2V (36V) |
| Output Current |
1.5A ± 0.2A |
| Fast Charge Current |
1.5A ± 0.2A (constant current) |
| Full-Charged Current |
0.15A ± 0.1A |
| Protections |
• Short Circuit Protection: 0.6A ± 0.3A
• Input Reverse Polarity Protection: >80A / 0.5s (input fuse)
• Output Reverse Polarity Protection: >50A / 0.5s (output fuse)
• Feedback Protection: Stop charging
• Over Voltage Protection: Stop charging (7S=33V±2V / 10S=48V±2V)
• Low Voltage Protection (battery): Low current charge 0.6A ± 0.3A
• Over Current Protection: ≥3.2A ± 0.2A, no output
• Low Voltage Protection: Stop charging after 2h
• Car Battery Low Voltage Protection: <10.5V stop charging
• Fast-Charge Timer Protection: Stop charging after 10h |
| Efficiency |
≥ 79% |
| Input Current |
• Output 42V / 1.5A → Max input current 9A
• Output 29.4V / 1.5A → Max input current 6A |
| Operating Temperature |
-10℃ ~ 40℃ |
| Storage Temperature |
-20℃ ~ 80℃ |
| Operating Humidity |
20% ~ 85% |
| Dimensions |
130 × 93 × 53 mm |
| Weight / Case |
0.68kg / Grey Aluminum |
| Series Available |
HP812 – 24V / 36V, Imax: 1.5A |
| Certifications |
RoHS Compliant |
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