Chargers for Ni-MH, Li-ion and other batteries. AC chargers: N
- Chargers133
Wall charger for everActive GaN SC-390QB phone / smartphone with USB QC3.0 and USB-C PD PPS 30W socket
probably the smallest 30W charger on the market! - based on gallium nitride (GaN) semiconductors
Significant reduction in loader weight and dimensions and increased efficiency
iQ Smart Charging Technology - Advanced chip automatically detects the connected device and charges it with the maximum current appropriate for it
support for the most popular fast charging technologies: PPS, PD 3.0, PD 2.0, QC4+, QC4, QC3.0, QC2.0, Samsung AFC, Huawei FCP, BC1.2 DCP, Apple 2.4A
High performance - fast charging of 2 devices at once
USB QC3.0 output: DC 5.0V-3.0A 15.0W, 9.0V-2.0A 18.0W, 12.0V-1.5A 18.0W
USB-C PD output: DC 5.0V-3.0A 15.0W, 9.0V-3.0A 27.0W, 12.0V-2.5A 30.0W, 15.0V-2.0A 30.0W, 20.0V-1.5A 30.0W
PPS: 3.3V-11.0V max 3.0A (9.9-30.0W), 3.3V-16.0V max 2.0A (6.6-30.0W)
Total output power: 30W
Wall charger for Baseus GaN5 Pro 2x USB-C PD and USB CCGP120201 65W
a new generation of efficient chargers based on gallium nitride GaN semiconductors - reduction in loader weight and dimensions and more efficient cooling
iQ Smart Charging Technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current appropriate for it
High performance - fast charging of 3 devices at once
support most popular fast charging technologies: PD 3.0, PD 2.0, QC3.0, QC2.0, Samsung AFC, AFC 45W, Huawei SCP, FCP, PPS
USB-C PD output (1/2): DC 5.0V-3.0A 15.0W, 9.0V-3.0A 27.0W, 12.0V-3.0A 36.0W, 15.0V-3.0A 45.0W, 20.0V-3.25A 65.0W
USB output: DC 5.0V-3.0A 15.0W, 9.0V-3.0A 27.0W, 12.0V-3.0A 36.0W, 20.0V-3.0A 60.0W
Total output power: 65W
USB-C - USB-C 1m cable (20V/5A 100W) included
Baseus GaN5 Pro 2x USB-C PD and USB CCGP120202 65W wall charger
a new generation of efficient chargers based on gallium nitride GaN semiconductors - reduction in loader weight and dimensions and more efficient cooling
iQ Smart Charging Technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current appropriate for it
High performance - fast charging of 3 devices at once
support most popular fast charging technologies: PD 3.0, PD 2.0, QC3.0, QC2.0, Samsung AFC, AFC 45W, Huawei SCP, FCP, PPS
USB-C PD output (1/2): DC 5.0V-3.0A 15.0W, 9.0V-3.0A 27.0W, 12.0V-3.0A 36.0W, 15.0V-3.0A 45.0W, 20.0V-3.25A 65.0W
USB output: DC 5.0V-3.0A 15.0W, 9.0V-3.0A 27.0W, 12.0V-3.0A 36.0W, 20.0V-3.0A 60.0W
Total output power: 65W
USB-C - USB-C 1m cable (20V/5A 100W) included
Car charger for phones with USB QC3.0 and USB-C PD 3.0 PPS Baseus TZCCKX-0G 65W
iQ Smart Charging Technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current appropriate for it
High performance - fast charging of 2 devices at once
support for the most popular fast charging technologies: Quick Charge 3.0 and 2.0, Huawei SCP, Samsung AFC, MTK PE+ , etc.
USB output: DC 5V/5A, 5V/4.5A, 5V/3A, 9V/3A, 12V/2.5A, 20V/1.5A
USB-C output: DC 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A
Total output power: 65W
Input voltage: 12V - 24V DC
LED display with voltmeter - current battery voltage, voltage and current in the USB port
USB-C cable included 1m 100W
Charger for li-ion cylindrical batteries 18650 Xtar VP4L+ Dragon
NEW VERSION!
professional processor charger for Li-ion cells: 14500, 14650, 16340, 17500, 17670, 18350, 18500, 18650, 18700, 20700 , 21700 - now also protected! 22650, 25500, 26650, 32650
three-stage charging method: TC/CC/CV
reactivation of deeply discharged cells and 0V cells
three charging currents for choice: 0.5A/1A/2A
Lcd
Protection: thermal, short-circuit, against reverse insertion of the battery
Baseus CCXJ020102 Phone /Smartphone Charger with 3 USB 17W Sockets
iQ Smart Charging Technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current suitable for it
high performance - fast charging of 3 devices at once
3x USB output: DC 5V/2.4A max
Total Output Power: 17W
Baseus CCXJ020101 Phone / Smartphone Charger with 3 USB 17W Sockets
iQ Smart Charging Technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current suitable for it
high performance - fast charging of 3 devices at once
3x USB output: DC 5V/2.4A max
Total Output Power: 17W
Battery charger - power bank - Ni-MH Panasonic Eneloop BQ-CC87 + 4 x R6/AA Eneloop 2000mAh BK-3MCDE
Powerbank function
Charging from a USB port
battery charging time 2000mAh - 2,25h (for 2 pcs)
Ni-MH; 4xR6/AA,R03/AAA;
4 independent charging channels
+ 4 Eneloop R6/AA 2000 mAh MCDE batteries
Battery charger - power bank - Ni-MH Panasonic Eneloop BQ-CC87 ECO
Powerbank function
Charging from a USB port
battery charging time 2000mAh - 2,25h (for 2 pcs)
Ni-MH; 4xR6/AA,R03/AAA;
4 independent charging channels
Baseus CCSUP-B03 Phone/Smartphone Charger with USB-C Super Si Quick Charger 1C 20W Socket
iQ Smart Charging technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current suitable for it,
high efficiency - fast charging
support for the most popular fast charging technologies
output: DC 5V/3A, 9V/2A, 9V/2,22A, 12V/1,67A, 15V/1,3A
total output power: 20W
Energizer Ni-MH Battery Charger 1 hour + 4 x R6/AA 2300 mAh
battery charging time 2300mAh - 60 min
4 independent charging channels
processor; Ni-MH, 4xR6/AA,R03/AAA;
+ 4 Energizer R6/AA 2300 mAh batteries
Rechargeable Battery Charger Panasonic Eneloop BQ-CC17 + 4 x R6/AA Eneloop 2000mAh BK-3MCDE
battery charging time 2000mAh - 7h
processor; Ni-MH; 4xR6/AA,R03/AAA;
4 independent charging channels
+ 4 Eneloop R6/AA 2000 mAh MCDE batteries
Rechargeable ni-MH battery charger Panasonic Eneloop BQ-CC65 EKO
display of the battery status on the LCD screen
display of capacitance, voltage, time and Wh
refresh (discharge) mode
charging mobile devices via USB port
processor; Ni-MH; 4xR6/AA,R03/AAA;
4 independent charging channels
MagSafe 20W QI Baseus WXTE000101 3in1 Inductive Charger for Apple iPhone Watch AirPods
compatible with Apple iPhone: 14, 14 Plus, 14 Pro, 14 Pro Max, 13 Pro, 13 Pro Max, 13 mini, 13, 12 Pro, 12 Pro Max, 12 mini, 12, 11 Pro, 11 Pro Max, 11, SE 2, SE 3, XS, XS Max, XR, X, 8, 8 Plus
compatible with Apple MagSafe 15W, Airpods, Qi
the ability to connect an inductive charger to Apple Watch in a dedicated socket
Input: USB-C 9V/2A, 12V/2A 24W
egress:
- One device: 15W max
- Two devices: 10W + 10W max
- USB or USB-C (for Apple Watch charger): 5V/1A max
Baseus CCXJ010202 Wall Charger for Phone/Smartphone with 2 x USB 10.5W Ports
iQ Smart Charging Technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current appropriate for it
High performance - fast charging of 2 devices at once
2x USB output: DC 5V/2.1A max
Total output power: 10.5W
everActive UC-4200 charger for Li-ion, Li-FePO4, Li-HV, Ni-MH and 9V cylindrical batteries
- professional, universal processor charger for Li-ion, Li-FePO4, Li-HV, Ni-MH and 6F22/9V cells,
- function of discharging, refreshing and testing cells,
- large and legible display with backlight,
- supported sizes: R6 AA, R03 AAA, R14 C, SC, R20 D, 10440, 14500, 14650, 17500, 17670, 18350, 18500, 18650, 20700, 21700- also protected, 22650, 25500, 26500, 26650, 32650, 33600, 16340 R-CR123e, 6F22/9V
- charging current: from 200mA up to 2000mA for Li-ion / Li-FePO4, from 200mA to 1000mA for Ni-MH, 60/120mA for 9V,
- Very accurate charge control regardless of the battery type.
- reactivation of 0V cells
everActive UC-800 charger for Li-ion, Li-FePO4, Li-HV, Ni-MH and 9V cylindrical batteries
- universal processor charger for Li-ion, Li-FePO4, Li-HV, Ni-MH and 6F22/9V cells,
- large and legible display with backlight,
- supported sizes: R6 AA, R03 AAA, R14 C, SC, 10440, 14500, 14650, 17500, 17670, 18350, 18500, 18650, 20700, 21700- also protected, 22650, 25500, 26500, 26650, 16340 R-CR123e, 6F22/9V
- charging current: from 200mA up to 2000mA for Li-ion / Li-FePO4, from 200mA to 1000mA for Ni-MH, 60mA for 9V
- Very accurate charge control regardless of the battery type.
- reactivation of 0V cells
Car charger for phones with USB socket QC3.0 and USB-C PD 3.0 PPS Baseus TZCCZX-01 100W
iQ Smart Charging Technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current appropriate for it
High performance - fast charging of 2 devices at once
support most popular fast charging technologies: Quick Charge 3.0 and 2.0, Huawei SCP, FCP, Samsung AFC, Apple PD , etc.
USB output: DC 5V/3A, 9V/2A, 10V/2A, 12V/2.5A (30W max)
USB-C output: DC 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/5A (100W max)
USB + USB-C: 30W + 65W
Total output power: 100W
Input voltage: 12V - 24V DC
LED display with voltmeter - current battery voltage and voltage and power in USB and USB-C ports
XO CC55 Car Charger with 2 x 30W USB Sockets
- High performance - charge 2 devices at once
- USB-A output(1): DC 5.0V-3.0A 15.0W, 9.0V-2.0A 18.0W, 12.0V-1.5A 18.0W
- USB-A output(2): DC 5V-2.4A 12W
- Total output power: 30W
- Input voltage: 12V - 24V DC
XO Car Charger with USB Socket, USB-C PD CC60 60W
- High performance - fast charging of 2 devices at once
- Support for the most popular fast charging technologies
- USB-A port: DC 5.0V-3.0A 15.0W, 9.0V-3.0A 27.0W, 12.0V-2.5A 30.0W
- USB-C PD Socket: DC 5.0V-3.0A 15.0W, 9.0V-3.0A 27.0W, 12.0V-2.5A 30.0W
- Total Output Power: 60W
XO CC48 Car Charger with 2 x 12W USB Sockets + USB-C Cable
- High performance - charge 2 devices at once
- USB-A(1/2) output: DC 5V-2.4A
- total output power: 12W
- Input voltage: 12V - 24V DC
Car charger for phones with USB QC3.0 and USB-C PD 3.0 PPS socket Baseus CCKX-C0A 65W
- High performance - fast charging of 2 devices at once
- Support for the most popular fast charging technologies
- USB output: DC 5V/5A, 5V/4.5A, 5V/3A, 9V/3A, 12V/2.5A, 20V/1.5A
- USB-C output: DC 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A
- Total output power: 65W
- Input voltage: 12V - 24V DC
- LED display with voltmeter
Battery charger for Li-ion 1.5V / 3.6 / 3.7V / Li-FePO4 / Ni-MH XTAR VX4 - set with power supply
- supports 1.5V and 3.6/3.7V Li-ion batteries, 3.2V LiFePO4 and 1.2V Ni-MH batteries
- measurement of 1.5V battery capacity
- three-stage charging method Li-ion TC /CC / CV
- Four independent charging channels
- reactivation of deeply discharged cells and 0V cells
- 20W PD power supply included
Battery charger for Li-ion 1.5V / 3.6 / 3.7V / Li-FePO4 / Ni-MH XTAR VX4
- supports 1.5V and 3.6/3.7V Li-ion batteries, 3.2V LiFePO4 and 1.2V Ni-MH batteries
- measurement of 1.5V battery capacity
- three-stage charging method Li-ion TC /CC / CV
- Four independent charging channels
- reactivation of deeply discharged cells and 0V cells
JELLICO 25W PD QC3.0 S6 mini PD Travel Adapter 25W 1xUSB-C + 1xUSB QC3.0 Black
- Charging power: up to 25W
- USB-C with Power Delivery
- Supported plugins: EU/UK/US/AU
- Compact size
JELLICO S9 PD Universal Travel Adapter 2xUSB-C + 1xUSB 3.4A Max 2500W Black
- Output Power: 2500W
- 2x USB-C with PD + 1x USB-A 3.4A
- Supported plugins: EU/UK/US/AU
- Compact size
JELLICO 3in1 Desktop Wireless Charger 15W W22
- 23W fast wireless charging
- Multi-device charger
- Wide compatibility
everActive LC-100C USB-C Cylindrical Li-ion Battery Charger
- reliable processor charger for Li-ion 3.6/3.7V cells,
- charging current: 1x 1000 mA,
- Supported battery sizes: 10440, 14500, 14650, 17500, 17670, 18350, 18500, 18650, 20700, 21700 - unprotected only, 22650, 25500, 26500, 26650, 16340 R-CR123e,
- reactivation of deeply discharged cells and 0V cells
- charging method: TC/CC/CV,
- protections: short circuit, against reverse insertion of the battery, against overcharging, against overheating,
- USB-C input.
McDodo CH-4991 USB-C 3.5W Magnetic Wireless Induction Charger for Apple Watch
- compatible with Apple Watch 3-10 / SE / Ultra 1-2
- Output: 3.5W max
- USB-C port
Baseus CCXJ-E02 2x USB QC3.0 and USB-C PD 3.0 30W wall charger for phone / smartphone
iQ Smart Charging Technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current suitable for it
high performance - fast charging of 3 devices at once
support for the most popular fast charging technologies: PD3.0, Quick Charge 3.0 and 2.0, PE+, Huawei SCP, Samsung AFC
USB output (1/2): DC 5.0V/3.0A 15.0W, 9.0V/2.0A 18.0W, 12.0V/1.5A 18.0W
USB-C output: DC 5.0V/3.0A 15.0W, 9.0V/3.0A 27.0W, 12.0V/2.5A 30.0W, 15.0V/2.0A 30.0W, 20.0V/1.5A 30.0W
Total output power: 30W
XTAR Quick Charge 3.0 1 x USB Phone/Smartphone Charger
up to 75% faster than conventional charger
Output: 1 x QC3.0: 5V - 3A / 9V - 2A / 12V - 1.5A
total power: 18W
input voltage: 100-240V~50/60Hz
Car charger with USB socket QC3.0 Baseus Tiny Star Mini VCHXXU VCHX-A0G 30W
iQ Smart Charging technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current appropriate for it,
high efficiency - fast charging - up to 5A,
support for the most popular fast charging technologies: Quick Charge 3.0 and 2.0, Huawei SCP, Samsung AFC, MTK PE+, etc.,
Output: DC 4.5V/5A, 5V/4.5A, 9V/3A, 12V/2.5A, 20V/1.5A,
total output power: 30W,
input voltage: 12V - 24V DC,
blue LED,
very small dimensions: 40 x 20.6 mm
Baseus phone/smartphone network charger with USB socket QC3.0 FC67E CCALL-BX02 24W
iQ Smart Charging technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current suitable for it,
high performance - fast charging - up to 3A
support for the most popular fast charging technologies: Quick Charge 3.0 and 2.0, AFC, PE+, VOOC,
output: DC 5V/3A, 9V/2.66A, 12V/2A,
total power output: 24W,
input voltage: 100-240V~50/60Hz 0.8A max,
Car charger for phones with USB QC3.0 and USB-C PD 3.0 socket Baseus Magic PPS BS-C20C CCMLC20C-01 45W
iQ Smart Charging technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current appropriate for it,
high efficiency - fast charging of 2 devices at once,
support for the most popular fast charging technologies: Quick Charge 3.0 and 2.0, Huawei SCP, Samsung AFC, MTK PE+ , etc.,
USB output: DC 4.5V/5A, 5V/4.5A, 9V/3A, 12V/3A, 20V/2.25A,
USB-C output: DC 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/2.25A,
total output power: 45W,
input voltage: 12V - 24V DC,
LED display with voltmeter - current battery voltage, voltage and current in the USB port
Car charger for boxes with 2 USB sockets QC3.0 Baseus Magic BS-C20A CCMLC20A-01 45W
iQ Smart Charging technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current appropriate for it,
high efficiency - fast charging of 2 devices at once,
support for the most popular fast charging technologies: Quick Charge 3.0 and 2.0, Huawei SCP, Samsung AFC, MTK PE+ , etc.,
output: DC 4.5V/5A, 5V/4.5A, 9V/3A, 12V/3A, 20V/2.25A (max 5V/6A),
total output power: 45W,
input voltage: 12V - 24V DC,
LED display with voltmeter - current battery voltage, voltage and current in the USB port
Car charger for phones with USB socket QC4.0+ and USB-C PD 3.0 Baseus PPS BS-C15C CCALL-AS01 30W
iQ Smart Charging technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current appropriate for it,
high efficiency - fast charging of 2 devices at once,
support for the most popular fast charging technologies: Quick Charge 4.0+, 3.0 and 2.0, Huawei SCP, Samsung AFC,
USB output: DC 4.5V/5A, 5V/4.5A, 9V/3A, 12V/2.5A,
USB-C output: DC 5V/3A, 9V/3A, 12V/2.5A, 15V/2A, 20V/1.5A,
total output power: 30W (5V/5A max),
aluminum housing,
input voltage: 12V - 24V DC,
blue illuminated USB port
Energizer PRO + 4 x R6/AA 2000 mAh
Processor Ni-MH, 4xR6/AA, R03/AAA;
+ 4 Energizer R6/AA 2000 MAh rechargeable Batteries
Car charger with two USB ports QC3.0 Baseus Circular BS-C16Q1 CCALL-YD01 30W
high performance - fast charging of 2 devices at once,
support for the most popular fast charging technologies: Quick Charge 3.0 and 2.0, SCP, AFC, PE+, VOOC,
Output: DC 4.5V/5A, 5V/4.5A, 9V/3A, 12V/2A (max 5V/5A),
total power output: 30W,
input voltage: 12V - 24V DC,
blue-backlit USB ports
USB Phone Charger - Baseus Grain with 2 USB ports C8-K CCALL-ML01 3.1A
high performance - fast charging of 2 devices at once,
output: DC 5V / max 3.1A,
total output power: 15.5W,
input voltage: 12V - 24V DC,
blue-backlit USB ports,
protrudes only 9 mm from the car cigarette lighter socket!
very small dimensions - length 44.1mm, diameter 24.5mm
EverActive SC-100 1xUSB 1A AC charger
IQ Smart Charging Technology-The built-in advanced chip automatically detects the connected device and charges it with the maximum current
High Performance -fast charging-Up to 1a
Output: 1 x DC 5V/1A
Total output power: 5w
Input voltage: 100-240V ~ 50/60Hz 500mA
Sturdy, one-piece housing
AC charger everActive SC-200 1xUSB 2.4 A
High Performance -fast charging-up to 2.4 a
Output: 1 x DC 5V/2.4 A
Total output power: 12W
Input voltage: 100-240V ~ 50/60Hz 500mA
Sturdy, one-piece housing
AC charger everActive SC-300 3xUSB 3.4 A
IQ Smart Charging Technology-The built-in advanced chip automatically detects the connected device and charges it with the maximum current
High Performance -fast charging 3 devices at a time-up to 2.4 a per USB port
Output: 3 x DC 5V/2.4 A (3.4 a max.)
Total output power: 17W
Three wide-spread sockets-enable seamless connection of even thicker USB cables
Car charger for phones with USB QC3.0 and USB-C PD 3.0 socket Baseus Magic PPS BS-C20C CCMLC20C-09 45W
iQ Smart Charging technology - built-in advanced chip automatically detects the connected device and charges it with the maximum current appropriate for it,
high efficiency - fast charging of 2 devices at once,
support for the most popular fast charging technologies: Quick Charge 3.0 and 2.0, Huawei SCP, Samsung AFC, MTK PE+ , etc.,
USB output: DC 4.5V/5A, 5V/4.5A, 9V/3A, 12V/3A, 20V/2.25A,
USB-C output: DC 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/2.25A,
total output power: 45W,
input voltage: 12V - 24V DC,
LED display with voltmeter - current battery voltage, voltage and current in the USB port
Energizer Universal New
Processor Ni-MH; 4xR6/AA, R03/AAA, R14/C, R20/D, 2x6F22/9V
Charger for Li-Ion and Ni-MH rechargeable cylindrical batteries everActive UC-4000
- professional, universal microprocessor charger for Li-ion cells, Li-FePO4, Ni-MH,
- discharge and refresh function to maximize battery life,
- unique function to measure and review two capacity values for each battery after single refresh cycle - Capacity Review,
- Supported sizes: R6 AA, R03 AAA, R14 C, R20 D, 10440, 14500, 14650, 17500, 17670, 18350, 18500, 18650, 20700, 21700, 22650, 25500, 26500, 26650, 32650, 33600, 16340 R-CR123e,
- Charging current: 500 mA, 1000 mA for Li-ion/Li-FePO4, 500 mA for Ni-MH,
- very accurate and precise charging scheme regardless of battery type.
Charger for 18650 Xtar VP4C li-ion cylindrical batteries
professional processor charger for Li-ion cells in size 14500, 14650, 16340, 17500, 17670, 18350, 18500, 18650, 18700, 20700, 21700, 22650, 25500, 26650, 32650
three-stage charging method: TC /CC / CV
reactivation of deep discharge cells and 0V cells
three charging currents to choose from: 0.25A / 0.5A / 1A
Lcd
protection: thermal, short circuit, against reverse insertion of the battery
Charger for cylindrical Li-ion 18650 Xtar X4 batteries ! NEW!
- LCD display showing the most important information
- three-stage charging method: TC /CC / CV
- reactivation of deeply discharged cells and 0V cells
- charging current: 2x2A/4x1A/4x0.5A
- powered from micro USB 5V/2.1A and from 230V
- power bank function: USB output 5V/1A
- protections: thermal, short-circuit, against reverse insertion of the battery
Fast charger for cylindrical Li-ion 18650 Xtar SC2 USB-C batteries
- LEDs to show charge status
- three-stage charging method: TC /CC / CV
- reactivation of deeply discharged cells and 0V cells
- charging current: 2x 2A / 1x 3A | charging voltage: 4.2V
- USB-C powered - no power adapter included
- protections: thermal, short-circuit, against reverse insertion of the battery
Charger for cylindrical batteries Li-ion 18650 Xtar X2
High-speed processor charger for Li-ion/Ni-MH cells in sizes 14500, 14650, 16340, 17335, 17500, 17670.18650, 18700, 20700, 21700, 22650, 26650/AAAA, AAA, AA, A, SC, C
LCD Display showing key information
Three-stage charging method: TC/CC/CV
Reactivation of deeply discharged cells and 0V cells
charging Current: 1X 2a/2X 1a/2x 0.5 A
Powered by Micro USB and 230V
Protection: Thermal, short-circuit, before the reverse insertion of the battery