leagend
BC811
12V WI-FI Battery Charger with Tester
The leagend BC811 is the Wi-Fi version of the high-output 8-step charger for 12V lead-acid batteries from 1.2 to 260Ah, pushing real-time charging data to the mobile app with remote start and stop. It provides a smart unattended mode for long-term connection and a battery repair mode, and reduces output automatically when the charger gets too hot. Rated IP65, it is protected against overvoltage, overcurrent, overheating and reverse connection.
WI-FI 8-STEP SMART
CHARGER
● 8-step smart charger, which can charge various 12V lead-acid batteries;
● This Wi-Fi charger can send real-time charging information to the mobile app. Users can remotely start and stop charging, select the charging current, view the charging current, battery power, etc;
SMART MAINTENANCE MODE
● Smart unattended mode, which can stay connected for a long time;
● Provides battery repair mode;
● The output power is automatically reduced when the charger temperature is too high;
BUILT-IN FEATURES
● Built-in high and low temperature compensation mechanism;
● Built-in protection of overvoltage, overcurrent, overheat and reverse connection;
SPECIFICATIONS
Input
100~240V-AC / 50~60Hz
Charging Voltage
Normal Battery: 14.4V; AGM: 14.7V; Repair: 15.8V; Float: 13.6V
Minimum Battery Voltage
2V
AC Input Current
1.25A rms (At maximum charging current)
Ripple
<4%
Working Temperature
-20°C~75°C (-4°F~167°F)
Battery Type
12V lead-acid batteries
Battery Capacity
1.2–260Ah
Ingress Protection Rating
IP65
Wi-Fi Standard
IEEE 802.11 a/b/g/n
Wi-Fi Frequency
2.4GHz & 5GHz Dual-band
Maximum Charging Current
8A, 4A, 2A, 1A
Max Current of Unattended Mode
4A, 2A, 1A, 0.5A
Reverse Leakage Current
<60mA/h
Inquiry & Sample Request
Faqs
What is your terms of packing?
Our standard packaging usually consists of a color box placed inside a brown outer carton.We also
offer a customized packaging service.
What is your terms of payment?
100% T/T in advance or Deposit + Balance or /L/C or O/A
What is your terms of delivery?
EXW, FOB, CFR, CIF, DDU, DDP.
How about your delivery time?
Generally, it will take 3 to 20 working days after receiving your advance payment.The specific
delivery time depends on the items and the quantity of the order.
Can you produce according to the samples?
Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
What is your sample policy?
We will provide the samples, and the customer needs to cover the cost of the samples and the courier
fee.
Do you test all your goods before delivery?
Yes, we have 100% test before delivery.
How do you make our business long-term and good relationship?
1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect our customers and are fully willing to grow together with them to achieve a win-win situation.
2. We respect our customers and are fully willing to grow together with them to achieve a win-win situation.
What is the minimum order quantity (MOQ)? Do you support small-batch trial orders?
1.Our MOQ is 200, 500, or 1000 (Based on the various product types.)
2.Small-batch trial orders are supported.
2.Small-batch trial orders are supported.
Does the company support OEM/ODM customization? What is the specific process?
We support OEM/ ODM services.Specific customization process:
1. The customer provides the required drawings/detailed parameters.
2. The project is confirmed to be feasible.
3. A contract is signed with the customer and a deposit is paid.
4. Follow up on the customer's needs and make samples.
5. The customer tests and confirms the samples.
6. Mass production begins.
1. The customer provides the required drawings/detailed parameters.
2. The project is confirmed to be feasible.
3. A contract is signed with the customer and a deposit is paid.
4. Follow up on the customer's needs and make samples.
5. The customer tests and confirms the samples.
6. Mass production begins.
What international certifications has your product obtained? Can you provide the corresponding
test reports?
Our core products have passed FCC, CE, RoHS and we can provide the corresponding test reports.
What is the product warranty period? How are quality issues handled?
1.The warranty period for standard products is 12 months
2.During the warranty period, we provide free repair and free firmware software updates.
2.During the warranty period, we provide free repair and free firmware software updates.
What are the acceptance standards for bulk goods? What happens if the goods fail the
acceptance inspection?
1.Acceptance criteria will be based on the samples confirmed by both parties. We will provide
pre-production samples for confirmation during mass production.
2.If the defective rate exceeds the acceptable range based on the sampling inspection ratio, the factory shall re-produce the goods.
2.If the defective rate exceeds the acceptable range based on the sampling inspection ratio, the factory shall re-produce the goods.
Do you support on-site or video factory inspections? Do I need to make an appointment in
advance?
1.We support both on-site and video factory inspections by our clients.
2.On-site factory visits require an appointment 7 working days in advance. We will arrange a dedicated person to receive you and provide a full tour of the production workshop, quality inspection process, warehousing and logistics. Video factory visits can be booked at any time and support bilingual explanations in Chinese and English.
2.On-site factory visits require an appointment 7 working days in advance. We will arrange a dedicated person to receive you and provide a full tour of the production workshop, quality inspection process, warehousing and logistics. Video factory visits can be booked at any time and support bilingual explanations in Chinese and English.
What customs clearance documents can I provide? How do I obtain a certificate of origin?
We can provide basic customs clearance documents such as commercial invoices, packing lists, bills
of lading, customs declarations, and contracts free of charge; certificates of origin (CO/Form
A/Form E, etc.) can be processed on behalf of customers according to their needs.
Does exchange rate fluctuation affect the quote? How long is the quote valid?
1.Our quotes are settled in US dollars, and the exchange rate is calculated based on the Bank of
China's foreign exchange rate on the date of the quote. If the exchange rate fluctuates by more than
±3%, the two parties may negotiate to adjust the price.
2.Standard quotes are valid for 30 days, while quotes for customized products are valid for 15 days.
2.Standard quotes are valid for 30 days, while quotes for customized products are valid for 15 days.