TIANQIUCustom battery OEM manufacturer — engineered to your brand.
We make the cells, wrap them and ship them under your name — the same way we do for PHILIPS, MITSUBISHI, SEIZI & SOXEY.
What stock do you hold?
Filmed in our own store — the counter and display cabinets that hold the models we ship every week.
Batteries, poured on a real line.
CR2032, LR44, SR626
The coin cells behind car key fobs, watches, motherboards and the Apple AirTag. 15 interchangeable models, 0% mercury.
Browse button cells →
The AA your brand sells
2,150–2,600 mAh alkaline AA and AAA, poured on a Japanese MITSUBISHI line and wrapped in your label.
See AA & AAA →
Cells that can take a charge
NiMH AA/AAA plus lithium modules and custom packs — a real cycle-life spec, not a vague promise.
See rechargeable →
One factory, end to end.
From raw materials to a finished battery in your brand's wrapper — poured, tested and shipped under one roof. That's how global brands keep their supply simple.
Which battery lines do you manufacture?
All 7 battery lines we run, from 3V lithium coin cells through alkaline cylindrical cells to rechargeable packs. The table sets out what each line covers — and every line can be produced with your own label and packaging, from a single certified factory.
| Line | What it covers | Details |
|---|---|---|
| Lithium Button Cells | CR lithium coin cells: CR2032, CR2025, CR2016, CR1632, CR2450, CR1220 & more. 3V, Hg-free. | View line → |
| Alkaline Button Cells | AG alkaline button cells: LR44/AG13, LR41, LR626/377, LR754, LR920 & more. 0% mercury. | View line → |
| Silver Oxide Button Cells | Silver-oxide watch cells: SR626SW, SR44, 377, 371, 364. High energy for watches & medical. | View line → |
| Alkaline Cylindrical | AA / AAA / C / D alkaline & 9V. Japanese Mitsubishi full-automatic line, high capacity. | View line → |
| Carbon Zinc (Heavy Duty) | R6/R03/R20/R14 heavy-duty & 6F22 9V for affordable everyday power. | View line → |
| Rechargeable & USB | NiMH & rechargeable AA/AAA. Long cycle life, eco-friendly. | View line → |
| Zinc-Air Hearing Aid | Zinc-air A10/A13/A312/A675 batteries for hearing aids. High-power, long-lasting. | View line → |
Which battery model numbers are searched for most?
These are the coin and button cells with the highest buyer search demand in the US market. Open a model for its full specification, equivalent part numbers from other numbering systems, and bulk supply from the factory.
3.0V Lithium · 20mm × 3.2mm · 190mAh ~ 255mAh
Equivalent to 5004LC = ECR2032 = KCR2032 = DL2032
CR2032 specification →1.5V Alkaline · 11.6mm × 5.4mm · 118mAh
Equivalent to AG13 = A76 = G13A = L1154
LR44 specification →3.0V Lithium · 20mm × 2.5mm · 130mAh ~ 185mAh
Equivalent to ECR2025 = 5003LC = DL2025
CR2025 specification →3.0V Lithium · 24.5mm × 5.0mm · 550mAh ~ 620mAh
Equivalent to ECR2450 = DL2450
CR2450 specification →1.5V Alkaline · 11.6mm × 5.4mm · 118mAh
Equivalent to LR44 = A76 = G13A = L1154
AG13 specification →1.5V Alkaline · 7.9mm × 3.6mm · 34mAh
Equivalent to AG3 = L736 = V3GA
LR41 specification →1.5V Alkaline · 11.6mm × 3.1mm · 56mAh
Equivalent to LR1130H = AG10 = LR54 = 189 = GP89A
LR1130 specification →3.0V Lithium · 20mm × 1.6mm · 75mAh ~ 100mAh
Equivalent to ECR2016 = 5000LC = DL2016
CR2016 specification →Which markets do you serve?
We ship to buyers across 6 continents — with the U.S., Germany, Turkey, Spain, Brazil, Italy, South Korea, Dubai, Saudi Arabia and South Africa as our key export windows.
Where our cells end up
Which licences and certificates do you hold?
We manufacture under license for globally recognized brands and hold the certifications your compliance team asks for — they exist.
PHILIPS & MITSUBISHI authorization
SEIZI (Japan) exclusive agency
Where should buyers begin?
The two pages buyers open first, plus the two questions they ask before an order — what the minimum really is, and how to check the factory behind it.
Custom battery packs — OEM / ODM
NiMH, Li-ion and LiFePO4 packs with BMS, connectors and housings, assembled and tested in-house.
Open the page →OEM & ODMYour brand on the cell, the blister and the box
Printed, blister-carded and boxed in our own plant — from 50 cartons, with the certification set.
Open the page →GuideHow to Vet a Battery OEM Factory Before You Place an Order
A buyer-side checklist for separating a real battery factory from a trader: licences, line evidence, certificate numbers and payment terms.
Read the guide →GuideBattery MOQ Explained: What Really Sets Your Minimum Order
MOQ is not one number. The production line, the packaging run and the print plate each set it — and each one can be moved down.
Read the guide →What buyers check before they order
The questions that arrive in the first email — how to test a cell, what voltage each type runs at, how to vet the factory behind the quote, and which coin-cell numbers are the same cell.
How to test a battery
Voltage and load checks that separate a good cell from a dead one.
Read the guide →Battery voltage guide
Nominal voltage for alkaline, carbon-zinc, lithium and silver-oxide cells.
Read the guide →How to vet a battery factory
Certificates, audits and the documents a real factory will share.
Read the guide →AG13 / LR44 battery
Specification and the part numbers that describe the same cell.
Open the model →How to replace a key fob battery
Which coin cell each fob takes, and how to change it without damage.
Read the guide →How do I start a battery order?
Send voltage, capacity, size and your logo — we'll quote it, sample it and scale it.
Within 24 hours on working days. Send the model (or the number on the old cell), the packaging format and your annual quantity and we can usually quote in the first reply.