Description
AJ45 is a 20000mAh power bank platform with an integrated AC input, built-in Lightning and Type-C output cables, and a separate Type-C port. Published data lists a 3.85V battery rating, a 107.5 × 58.6 × 48.3mm body, 380g weight and ABS + PC housing. Type-C input profiles reach 12V/1.67A. The separate Type-C output and Lightning cable row state PD 20W maximum, while the Type-C cable lists profiles up to 12V/1.67A. AC input is limited on this page to 220-240V / 50Hz. Protocol support, shared-output behavior, AC power flow, plug design, recharge performance, target-market compliance, transport documents and final labeling require confirmation on the approved production specification and sample.
AJ45 AC Plug Power Bank at a Glance
- Published battery data: 20000mAh at 3.85V.
- Calculated energy: 77Wh from the published capacity and voltage; confirm the final label and battery file.
- Published body data: 107.5 × 58.6 × 48.3mm and 380g.
- Outputs: built-in Lightning cable, built-in Type-C cable and separate Type-C port.
- Published AC input: 220-240V / 50Hz only.
- OEM order tiers: 500, 1000 and 2000 pieces, subject to quotation and project scope.
Published Technical Specifications
| Specification | Published AJ45 Data |
|---|---|
| Item No. | AJ45 Power Bank |
| Capacity | 20000mAh / 3.85V |
| Calculated Energy | 77Wh; confirm final rated-energy label |
| Size | 107.5 × 58.6 × 48.3mm |
| Weight | 380g |
| Material | ABS + PC |
| Type-C Input | 5V/3A, 9V/2A, 12V/1.67A |
| Type-C Output | 5V/3A, 9V/1.67A; published as PD 20W max |
| AC Input | 220-240V / 50Hz |
| Lightning Cable Output | 5V/3A, 9V/2.22A, 12V/1.67A; published as PD 20W max |
| Type-C Cable Output | 5V/3A, 9V/2.22A, 12V/1.67A |
These are published model figures, not a substitute for the buyer-approved datasheet, protocol report, transport file or mains-safety evidence. Confirm cell configuration, usable energy, protocol implementation, connector design, AC input, plug construction, material grade, output allocation, test conditions and final labels before quotation, mass production or compliance use.
Capacity, 77Wh Calculation and Transport Evidence
Multiplying the published 20000mAh by 3.85V gives a calculated 77Wh. This calculation is useful for comparing specifications, but it is not an airline approval, transport certificate or substitute for the energy printed on the production unit. Buyers should request the cell and pack configuration, final rated-energy label, UN 38.3 test summary, applicable safety data, packaging and shipping documents, and current carrier and airline requirements for every route. Travel and handling rules should be checked with the relevant carrier rather than stated as universal approval.
220-240V AC Input and Regional Safety Approval
Only 220-240V / 50Hz AC input is published on this page. Compatibility with 100-120V grids, 60Hz operation, automatic universal-voltage switching or alternate plug standards must not be assumed. Buyers should confirm the target country, mains voltage and frequency, plug geometry, insulation system, creepage and clearance, fuse and protection design, dielectric and leakage evidence where required, abnormal-operation tests, recharge performance, labeling and applicable safety and EMC scope before production.
Type-C, Dual Cable and Protocol Verification
The table publishes voltage and current profiles and includes PD 20W wording for the separate Type-C output and Lightning cable row. These entries should be supported by the current controller specification and protocol analyzer report before use in marketing. Buyers should request source and sink matrices, wiring and connector drawings, cable capability data, charger and target-device tests, actual negotiated power, voltage stability, protection thresholds, bend and pull tests, storage and retention tests, and repeated-use results for both built-in cables.
Shared Output, AC Power Flow and Thermal Testing
The page does not publish a verified simultaneous-output matrix, total shared-power limit, AC-connected output behavior, pass-through function, output priority or seamless switching. Buyers should request a power-flow diagram and measured tests for every required cable, port, battery and AC condition. Evidence should include total and per-output power, voltage stability, priority logic, recharge allocation, temperature rise, protection response, thermal-throttling behavior and whether an output is reduced or disabled under combined loads.
OEM and ODM Quantity Tiers
- 500 pieces: standard OEM logo and packaging on the existing AJ45 platform.
- 1000 pieces: project review for an approved housing color, documentation, packaging or accessory change.
- 2000 pieces: deeper ODM review involving the AC input system, plug structure, battery, PCBA, firmware, thermal design, built-in cable system or enclosure.
Regional mains changes require separate engineering and compliance review and should not be promised by MOQ alone. Final MOQ, feasibility, samples, tooling, pricing, lead time, labeling, certification scope, warranty, package contents and inspection criteria must be confirmed in the quotation and approved production specification.
B2B Buyer Verification Checklist
- Confirm cell configuration, calculated 77Wh energy, usable-output method, conversion efficiency and final rated-energy label.
- Request transport-test summaries, shipping documents and route-specific carrier requirements for the production battery.
- Approve the exact AC voltage, frequency, plug, insulation, protection, labeling and target-market compliance scope.
- Verify every Type-C and cable protocol claim with controller data, analyzer logs, charger tests and target-device tests.
- Request the shared-output and AC power-flow matrix, temperature results, protection response and cable durability evidence.
- Confirm dimensions, weight, material grade, manuals, accessories, warranty and inspection criteria in writing.
AJ45 Product Images
Frequently Asked Questions: AJ45 AC Plug Power Bank 20000mAh
1. What specifications are confirmed for the AJ45?
The published AJ45 specification lists 20000mAh at 3.85V, a 107.5 × 58.6 × 48.3mm body, 380g weight, ABS + PC material, Type-C input profiles up to 12V/1.67A, a separate Type-C output listed at up to 20W, AC input at 220-240V / 50Hz, and built-in Lightning and Type-C cable output profiles up to 12V/1.67A. Final cell configuration, usable energy, protocols, connector design, labeling and output behavior should be confirmed on the approved production datasheet.
2. Can the AJ45 built-in cables and Type-C port operate simultaneously?
The page lists two built-in cable outputs and a separate Type-C output, but it does not publish a verified simultaneous-output matrix, total shared-power limit, power-allocation logic or protocol behavior under multiple loads. Buyers should request test data for each required output combination, including total and per-port power, voltage stability, temperature rise, protection response and whether any output is reduced or disabled when another output is active.
3. What should buyers confirm about the AJ45 AC input?
The published specification states 220-240V / 50Hz. It does not prove compatibility with 100-120V grids, 60Hz operation, every plug standard or automatic worldwide voltage switching. Buyers should confirm the target country, mains voltage and frequency, plug geometry, insulation system, creepage and clearance, fuse and protection design, recharge performance, labeling and applicable safety and EMC evidence before production.
4. What transport and airline evidence should buyers request for the AJ45?
A mathematical calculation from the published 20000mAh and 3.85V ratings gives 77Wh, but this calculation alone is not an airline approval or transport certificate. Buyers should verify the rated energy printed on the final product, battery configuration, transport test summary, shipping documents, packaging and labeling requirements, carrier and airline rules, and current requirements in every market and route. Power banks are generally subject to carry-on and handling restrictions that must be checked with the carrier.
5. What thermal and safety evidence should AJ45 buyers request?
ABS + PC material and the listed electrical profiles do not by themselves prove a specific flammability grade, continuous-temperature rating, internal temperature, thermal shutdown threshold or safe simultaneous AC charging and output. Buyers should request material declarations, flammability evidence where required, temperature-rise tests under the intended load combinations, protection-threshold data, abnormal-operation testing, cell and PCBA records, aging procedures and final-sample inspection results.
6. Can the AJ45 be supplied for different mains-voltage regions?
Only the published 220-240V / 50Hz input should be treated as confirmed on this page. A 100-120V version, universal-voltage version, alternate plug or market-specific configuration must not be assumed. Buyers should ask YULIDA to evaluate the exact target-country requirements, electrical architecture, plug system, tooling, labeling, test plan, certification scope, MOQ and lead time before advertising a regional version.
7. What OEM and ODM options are available for the AJ45?
Standard OEM service starts at 500 pieces for logo and packaging on the existing AJ45 platform. Light customization, such as an approved housing color, documentation, packaging or accessory change, generally starts at 1000 pieces. AC input, plug structure, battery, PCBA, firmware, thermal design, built-in cable system or enclosure changes are deeper ODM work and generally start at 2000 pieces. Final MOQ, regional feasibility, samples, tooling, lead time, labeling and certification scope must be confirmed in the quotation.
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