Battery Ka7
Overview
Product sourcing insights & recommendations
The KA7 battery (Model: BL-34BT) is a 3200–3500mAh Li-ion replacement battery primarily designed for the Tecno Spark 2 smartphone. While the device is older, it maintains a strong aftermarket presence in emerging regions like Africa and India, where "Premium Compatible" units are sourced for $1.80–$4.00 at wholesale.
The broader battery market in 2026 is projected to grow to $177.4 billion, with the Asia-Pacific region continuing its dominance. Sourcing trends highlight a shift toward ISO-certified safety protections and high-density cells to meet consumer demands for all-day performance.
The detailed report below covers technical specifications, wholesale pricing, and the latest global battery market trends for 2026.
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Bl 34bt Battery Wholesale 3500mah
Products · 2 lists
Wholesale Price Mobile Battery Replacement Li-polymer BL-34BT 3500mAh Battery for TECNO KA7 Cell Phone Batteries Manufacturers
Shenzhen Naisi Electronics Co., Ltd.🇨🇳CN8 yrs
Wholesale Cell Phone Battery 3500mAh BL-34BT Li-Polymer 3.85V for KA7 Spark 2 Mobile Phone in Stock
Guangzhou Yabida Electronic Technology Co., Ltd.🇨🇳CN16 yrs
Factory Best Quality 3500mah 3.85v Mobile Phone Battery for TECNO BL-34BT KA7 Battery
Shenzhen Sunwind Energy Tech Co., Ltd.🇨🇳CN11 yrs
SINLOCE BL-34BT Double IC Protection 3500mAh Li-ion Rechargeable Mobile Phone Battery for Tecno KA7 Spark2 A+ ISO Certified
Shenzhen Sinloce Electronics Co., Ltd.verified🇨🇳CN3 yrs
High Quality Original Battery 4000mAh Cellphone Battery BL-34BT for Tecno KA7 Rechargeable Batteries
Guangzhou Guohuang Technology Co., Ltd.🇨🇳CN2 yrs
3500mAh BL-34DT Mobile Phone Battery for Tecno Phantom 9 Camon 12 Pro Battery Rechargeable Batteries
Shenzhen Longhehui Electronics Co., Ltd.verified🇨🇳CN6 yrs
BL-34ET POP3 Li-ion Polyer Rechargeable Mobile Phone Battery for Tecno BB2 POP 3
Guangzhou Longhe Electronics Co., Ltd.🇨🇳CN6 yrs
18650 3.7V 3200 3400 3500mah Wholesale 3C Rechargeable Power Battery Lithium Battery
General Electronics Technology Co., Ltd.verified🇨🇳CN14 yrs
BL-34CX 3.8V 3500mAh X627 Wholesale Low Price Mobile Battery for Infinix Smart3 Plus Phone Battery Manufacturer
Guangzhou Xinyongyuan Electronic Technology Co., Ltd.verified🇨🇳CN5 yrs
TLIDA BL-34CX 3500mAh 3.85V Rechargeable Battery Infinix X627 Smart3 Plus Mobile Phone-12 Months Warranty A+ Grade Stock Black
Shenzhen Tianling Electronic Technology Co., Ltd.verified🇨🇳CN22 yrs
For BL-T41 3500mAh Premium Repair Grade Replacement Li-ion Polymer Battery V40 G8 ThinQ CE RoHS 800 Cycles Wholesale Bulk Stock
Haishengda Electronics Limited🇭🇰HK1 yr
18650 2200mah 2500mah 2600mah 2900mah 3000mah 3300mah 3400mah 3500mah 3.7v 7.4v Battery Rechargeable Lithium Batteries with bms
Shenzhen Joy Battery Technology Co., Ltd.🇨🇳CN10 yrs
Rechargeable AA 3500mAh 4.8V NiMH Battery Pack GMCELL Brand CE/SGS Certified 1200+ Cycle Life for Power Tools
HK GMCELL TECHNOLOGY LIMITEDverified🇭🇰HK3 yrs
Blue Taiyang 3500mah Rechargeable Battery Lithium 18650 Battery 3500mah Lithium Ion Battery
Shenzhen Blue Taiyang New Energy Technology Co., Ltd.🇨🇳CN13 yrs
3.6V Primary Lithium-ion Battery ER341245 3.6V 35000mAh 35Ah ER34615 ER261020 19000mAh 18000mAh High Capacity Lisocl2 Batteries
General Electronics Technology Co., Ltd.verified🇨🇳CN18 yrs
3.87V 3500mAh BL-T48 Battery for LG STYLO 6 LM-Q730MM Mobile Phone Battery
Shenzhen Hongcai Electronic Commerce Co., Ltd.🇨🇳CN8 yrs
SOVA New Replacement Original Battery BL261 3500mAh Battery for Lenovo A7020 Vibe K5 Note K52T38 K52E78 Excellent Phone Battery
Foshan Qinxun Electronic Technology Co., Ltd.verified🇨🇳CN6 yrs
High Capacity Rechargeable 3.7v 18650 Lithium Ion Battery 3500mah 3400mAh 3350mah for Toys
Shenzhen Pkcell Battery Co., Ltd.🇨🇳CN15 yrs
BL-34DT Factory Price Polymer Lithium-ion Battery Mobile Phone Battery for Tecno Phantom 9 AB7 Camon 12 Pro CC9
Guangzhou Yuanfang Technology Electronics Co., Ltd.🇨🇳CN6 yrs
NIBT Wholesale BL-38AT 3400mAh Replacement Lithium Battery New Durable Mobile Phone Batterie for Infinix Tecno POP2 Power/B1P
Foshan Nebite Electronic Technology Co., Ltd.🇨🇳CN1 yr
OEM Original V30 Plus H930 3300mAh Replacement Battery For LG BL-T34 BL-T35 BL-T36 BL-T37 BL-T39 BL-T42 BL-T45 BL-T49 battery
Shenzhen Kashideng Electronics Co., Ltd.verified🇨🇳CN6 yrs
Original OEM 3500mAh High-Capacity BL-34ET Replacement Battery for Mobile Phones in Stock
Shenzhen Qianbao Technology Co., Ltd.🇨🇳CN4 yrs
Gb/t 18287-2013 Factory Mobile Phone Bl-45b1f Battery for LG V10
Guangzhou Janon Communication Technology Co., Ltd🇨🇳CN18 yrs
33G 35E 40T 3300mAh 3500mAh 4000mAh High Capacity High Power Lithium Ion Battery Cell for E Bike Power Tools
Shenzhen Sufeng New Energy Co., Ltd.🇨🇳CN1 yr
18650-35E Rechargeable Lithium Cell High Capacity 3.6V 3350mAh Li-Ion Battery for Power Tools and Garden Tools
OEM Rechargeable Li-Ion Battery EB-BG935ABE for for S7 Edge G9350 SM-G935FD G935F SM-G935P 3600mAh
Shenzhen Hyperion Lighting Co., Ltd.🇨🇳CN8 yrs
Wholesale 18 Month Warranty Battery for Google Pixel 2XL XL2 BL-T35 3520mAh Rechargeable Original Mobile Phone Battery in Stock
Guangdong Paipai Expo Technology Co., Ltd.🇨🇳CN2 yrs
Wholesale Smart Phone Battery 0 Cyle 2900mah Mobile Cellphone Battery for LG BL-45B1F V10 Battery
Shenzhen Wanshuntong Science & Technology Co., Ltd.verified🇨🇳CN19 yrs
Revolbat New Brand BL-3 Lithium Ion Brand New 3.7V 1500mAh Two-radio Battery for Walkie Talkie BF-R5 BF-T6 C5 UV3R UV-3R
Dongguan Youli Electronic Technology Limitedverified🇨🇳CN9 yrs
Factory Price OEM Customized All Types of Mobile Phone Batteries 2500mah for Itel Bl-25bi A44 A46 15bi A33
Shenzhen Lichen electronics CO.,LTD🇨🇳CN4 yrsDeep Dive · Full Report
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Sources & References
28 sources cited · Verified industry data & reports
KA7 Battery: A Reliable Power Source for Your Tecno Phone
www.aliexpress.com
The battery is designed to fit specific models and provides a reliable power source when the original battery fails. Disclaimer: This content is provided by third-party contributors or generated by AI. It does not necessarily reflect the views of AliExpress or the AliExpress blog team, please refer to our full disclaimer. ... What Is the KA7 Battery and Why Is It Important for My Tecno Phone? For users who rely heavily on their phones for work, communication, or entertainment, having a compatible and reliable replacement battery is essential. Answer: The KA7 battery is a high-capacity, compatible replacement battery for Tecno phones, including the KA7, Spark 2, and Spark 2. It is important because it ensures your phone continues to function properly when the original battery fails. KA7 battery The KA7 battery is a lithium-ion battery designed for Tecno phones, particularly the KA7, Spark 2, and Spark 2 models. Click the image to view the product The KA7 battery is a high-capacity power source specifically designed for Tecno phones, including models like the Tecno KA7, Spark 2, and Spark 2.
Battery for Tecno Spark 2 KA7 BL-34BT – Indclues
indclues.com
Decrease quantity for Battery for Tecno Spark 2 KA7 BL-34BT Increase quantity for Battery for Tecno Spark 2 KA7 BL-34BT ... Complete mAh inside the Battery for Excellent Back for Mobile Phone after the heavy usage. Completely Tested Phone All purposes for long life. Use an original company charger to charge your mobile. Usually takes 2 hours to full Charge with Normal Power Adapter. With Fast Charging Adapter it will take less time. Compact design, High in quality and stable in performance. This is not an original product. GENERAL FEATURE: Mobile Battery Compatible for Tecno Spark 2 KA7 BL-34BT Battery Model : BL-34BT Battery Capacity : 3500mAh PRODUCT DESCRIPTION: Complete mAh inside the Battery for Excellent Back for Mobile Phone after the heavy usage. Completely Tested Phone All purposes for long life. INSTRUCTIONS: Please drain all the power of the battery for the first 3 times before charging, and then take a full charge. Thus the battery can be reached the optimum effect of use. Please note that its full effect and longevity is only achieved after 3 to 5 complete charge and discharge circles. Damages and issues Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item*, so that we can evaluate the issue and make it right. *Please confirm the model number of your device before placing any order for battery.
Bl-34bt Spark 2 100% Original Li-ion Polyer Rechargeable Mobile ...
www.alibaba.com
Rechargeable with 3.8v: This Li-ion Polymer rechargeable battery operates at a voltage of 3.8v, ensuring optimal performance and compatibility with your Tecno KA7 Spark 2 device. 100% Original Battery: The BL-34BT Spark 2 mobile phone battery is a genuine, high-quality product that meets the original specifications of the Tecno KA7 phone. 3500mAh Capacity: This battery provides a high capacity of 3500mAh, ensuring that your phone maintains a longer battery life and reduces the frequency of charging.
Amazon.com: SPANN Battery Replacement for Tecno KA7, KA7O, Spark ...
www.amazon.com
Battery kind: Li-Polymer, Voltage: 3.8V, Capacity: 3200mAh / 12.16Wh. Amazon Basics 12-Pack Rechargeable AAA NiMH Performance Batteries, 800 mAh, 1.2V, Recharge up to 1000x Times, Pre-Charged Amazon Basics 4-Pack Rechargeable AAA NiMH High-Capacity Batteries, 850 mAh, 1.2V, Recharge up to 500x Times, Pre-Charged Amazon Basics 250-Pack AA Alkaline Industrial Batteries, 1.5 Volt, 5-Year Shelf Life
TECNO KA7 Compatible Replacement Battery
www.battery.uk.com
We understand that safety is paramount when choosing your new replacement batteries made for the TECNO KA7, that's why all our batteries come with CE Certification. Our battery replacement for TECNO KA7 has a 3.8 rating with a storage capacity of 3200mAh / 12.16Wh watt-hours, the battery uses Li-Polymer technology and 87.70 x 64.70 x 3.60mm. TECNO KA7 Compatible Replacement Battery
Amazon.com: TrustCell BL-34BT, Replacement Battery for Tecno KA7, ...
www.amazon.com
Our batteries are made to the exact specifications as same as the original battery. Every battery is with strict spec detection and use testing, absolutely ensure the safe and durable use of the battery. All batteries are Certificated with ISO9001, RoHS, CE, UN38.3, and MSDS. b. A new battery will achieve its best performance after 2 or 3 complete cycles of charge & discharge. c. When you install it, be sure the connector has been properly connected to your device. d. Do not use low quality third-party adapter charger to charge your device, that will shorten the battery's life. Caution: 1.Don't disassemble 2.Don't dispose of in fire or water 3.Don't store above 60 ℃（140℉） Contact us: If you have any questions, please contact us via email. ... Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them. - The battery adaptation Part No: BL-34BT - Product Specifications: Type: Li-Polymer Capacity: 3200mAh Voltage: 3.8V Rate: 12.16Wh We are a professional manufacturer and seller of batteries, with over 50000 different models of replacement batteries. Notice Before Purchase: a. Be carefully check the model number of your device and the part number of your original Battery to see if this Battery is compatible with your device.