Custom lithium battery packs for device makers · Made in Shenzhen, shipped worldwide

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01 / 07

Medical Device Batteries

Custom lithium battery packs for portable medical devices.

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Not sure where your product fits? An engineer replies within 24 hours.All industries Send your spec
Custom solutionsFrom your spec to a tested batchCells, BMS, case, charger and label, built around your device.See how we work
Development ProcessFive stages from your brief to batch deliveryBMS DesignProtection, balancing and data to your deviceCell Selection & SourcingLi-ion, LiFePO4 or LiPo from leading brandsPrototyping & SamplesCharged samples you test before the batchOEM / ODMYour spec or our design, under your brandCost & MOQWhat drives price and minimum order
01 / 05

Replacement Battery Packs

Custom lithium replacement packs for lead-acid batteries and light EVs.

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Lithium Battery Guides and Insights

Practical guides on lithium battery chemistry, voltage, sizing, BMS and safety.

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Results for “Li-ion”

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9 min read

LiPo vs Li-ion Battery: Energy, Safety, Cost and Applications

LiPo vs Li-ion battery compared: energy density, discharge rate, safety and cost, plus what OEM buyers should check before specifying either type.

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3 min read

Li-ion vs. LiFePO4 Batteries for Outdoor Surveillance Cameras

When choosing a power source for outdoor surveillance cameras—especially solar-powered systems—the choice usually comes down to Lithium-ion (Li-ion) and Lithium […]

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3 min read

How to Safely Awaken a Sleeping Li-ion Battery

What Does a “Sleeping” Li-ion Battery Mean? A lithium-ion battery is often described as “sleeping” when it shows no output […]

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5 min read

Nickel-Cadmium (NiCad) vs. Lithium-Ion (Li-ion): A Comprehensive Comparison Guide

Rechargeable batteries play a critical role in modern devices, from power tools and consumer electronics to electric vehicles and industrial […]

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11 min read

How to Balance Charge a LiPo Battery: Step-by-Step, 2S to 6S

LiPo battery balance charging explained: how the balance lead works, 2S to 6S charger settings, 4.20 V per-cell limits, step-by-step setup and...

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10 min read

Golf Cart Lithium Battery Conversion Kit: Contents and Costs

A golf cart lithium battery conversion kit includes a pack, charger, cables and meter. Check fit, BMS and charger match, and see...

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9 min read

LiFePO4 Voltage Chart: 3.2V Cell, 12V, 24V and 48V SOC Table

LiFePO4 voltage chart for a 3.2V cell and 12V, 24V and 48V packs: approximate SOC bands, charge and cut-off limits, and how...

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9 min read

Lithium Battery for Trolling Motor: 12V, 24V, 36V and Ah Sizing

Match a lithium battery for trolling motor use to thrust: 12V, 24V or 36V, amp draw, Ah runtime math and the BMS...

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4 min read

Heated Clothing Battery Guide: Voltage, Runtime & Safety

Choosing a heated clothing battery: 5V vs 7.4V vs 12V, runtime sizing, low-temperature charging limits, BMS protection and certification.

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4 min read

Best 21700 Cells: Panasonic vs Samsung vs Molicel vs EVE

How to choose the best 21700 cell for a custom battery pack. Panasonic, Samsung SDI, Molicel and EVE compared on power, energy,...

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4 min read

How to Ship Lithium Batteries Internationally (2026 Rules)

How to ship lithium batteries by air and sea in 2026: UN3480/3481, PI 965–967, the new 30% state-of-charge rule, UN38.3 test summary...

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